EveningTest

Hi, this is steady-state CFD simulation report of:

eveningTest

Created by TCFD^® 18.10 on Sat Oct 20 02:20:56 2018

Speedline #1

Speedline #2

Speedline #3

Speedline #1

Simulation Stats

Test Case Name	eveningTest
Number of Points [ – ]	6
Machine Type	compressor
Rotation Speed [ rad/s ]	16755.2
Number of Components [ – ] ( topology )	4
Mesh Size [ cells ] ( details )	impeller : 557786 diffuser1 : 36895 diffuser2 : 106990 volute : 22230 Total : 723901
Mesh details [ mm ]: Component Property Min Max Avg 1 cellOpenness N/A 3.87892 × 10-16 N/A 1 cellVolume 2.64985 × 10-4 0.536633 N/A 1 faceArea 3.65891 × 10-5 0.688002 N/A 1 aspectRatio N/A 8.34558 N/A 1 nonOrthogonality N/A 64.7603 16.4934 1 skewness N/A 10.5356 N/A 1 edgeLength 0 0.850130 N/A 1 concaveAngle N/A 79.9014 N/A 1 faceFlatness 0.0843477 N/A 0.993794 1 cellDeterminant 0.0470653 N/A 29.5953 1 faceInterpolationWeight 0.0737569 N/A 0.421962 1 faceVolumeRatio 0.0103786 0.596850 N/A 1 Warnings: 2 skew faces 1686 faces with low quality or negative volume decomposition tets 142 points on short edges 146 near (closer than 9.039129e-05 apart) points 11197 faces with concave angles 138 warped faces 51383 concave cells 2 cellOpenness N/A 3.83231 × 10-16 N/A 2 cellVolume 4.08210 × 10-4 0.530607 N/A 2 faceArea 0.00140445 0.705754 N/A 2 aspectRatio N/A 7.21332 N/A 2 nonOrthogonality N/A 54.6413 13.0831 2 skewness N/A 3.11626 N/A 2 edgeLength N/A N/A N/A 2 concaveAngle N/A 73.4901 N/A 2 faceFlatness 0.722479 N/A 0.997616 2 cellDeterminant 0.0439111 N/A 16.7724 2 faceInterpolationWeight 0.0367676 N/A 0.444169 2 faceVolumeRatio 0.0104876 0.737232 N/A 2 Warnings: 325 faces with low quality or negative volume decomposition tets 907 faces with concave angles 49 warped faces 2129 concave cells 7 faces with low interpolation weights 3 cellOpenness N/A 3.74917 × 10-16 N/A 3 cellVolume 3.89125 × 10-4 0.540409 N/A 3 faceArea 0.00114409 0.717989 N/A 3 aspectRatio N/A 7.52149 N/A 3 nonOrthogonality N/A 64.5308 12.3274 3 skewness N/A 3.92360 N/A 3 edgeLength N/A N/A N/A 3 concaveAngle N/A 76.5192 N/A 3 faceFlatness 0.719134 N/A 0.998408 3 cellDeterminant 0.0397772 N/A 17.0140 3 faceInterpolationWeight 0.0386421 N/A 0.449597 3 faceVolumeRatio 0.0115437 0.752677 N/A 3 Warnings: 295 faces with low quality or negative volume decomposition tets 934 faces with concave angles 22 warped faces 6841 concave cells 8 faces with low interpolation weights 4 cellOpenness N/A 3.05178 × 10-16 N/A 4 cellVolume 0.260266 46.9526 N/A 4 faceArea 0.345005 14.8278 N/A 4 aspectRatio N/A 7.17816 N/A 4 nonOrthogonality N/A 51.2966 14.0355 4 skewness N/A 1.35187 N/A 4 edgeLength N/A N/A N/A 4 concaveAngle N/A 65.5318 N/A 4 faceFlatness 0.853388 N/A 0.997195 4 cellDeterminant 0.0675418 N/A 19.7408 4 faceInterpolationWeight 0.125594 N/A 0.437762 4 faceVolumeRatio 0.0255976 0.690403 N/A 4 Warnings: 25 faces with low quality or negative volume decomposition tets 77 faces with concave angles 1357 concave cells
Average y+ at walls [ – ] ( details )	197.137
y+ details: Point Patch Min Max Avg 1 impeller_rotor-blades_wall 0.596059 131.342 16.4629 1 impeller_rotor-shroud_wall 2.26402 184.523 46.0256 1 impeller_rotor-hub_wall 1.33603 150.295 45.1181 1 diffuser1_diffuser1-shroud_wall 4.14629 141.157 57.7882 1 diffuser1_diffuser1-hub_wall 14.7091 95.1165 62.9320 1 diffuser2_diffuser2-hub_wall 3.21376 159.638 86.4135 1 diffuser2_diffuser2-shroud_wall 1.40935 160.497 82.3701 1 volute_volute-spiral_wall 35.5847 487.309 197.137 2 impeller_rotor-blades_wall 0.347485 109.562 14.6503 2 impeller_rotor-shroud_wall 2.08341 163.624 40.5318 2 impeller_rotor-hub_wall 0.753292 122.483 37.9853 2 diffuser1_diffuser1-shroud_wall 3.78909 125.858 50.8208 2 diffuser1_diffuser1-hub_wall 12.5509 86.2329 55.1593 2 diffuser2_diffuser2-hub_wall 3.77041 149.127 80.8259 2 diffuser2_diffuser2-shroud_wall 3.37891 157.500 79.1618 2 volute_volute-spiral_wall 27.9532 401.869 163.471 3 impeller_rotor-blades_wall 0.224911 99.1815 13.3397 3 impeller_rotor-shroud_wall 1.70169 155.553 36.6776 3 impeller_rotor-hub_wall 0.466908 114.698 34.6432 3 diffuser1_diffuser1-shroud_wall 3.64848 119.558 47.9300 3 diffuser1_diffuser1-hub_wall 11.5822 82.3838 51.9766 3 diffuser2_diffuser2-hub_wall 3.76112 146.335 79.4238 3 diffuser2_diffuser2-shroud_wall 3.26635 157.765 77.8968 3 volute_volute-spiral_wall 23.3034 392.471 152.967 4 impeller_rotor-blades_wall 0.140948 92.0314 12.2959 4 impeller_rotor-shroud_wall 0.910880 147.860 33.1568 4 impeller_rotor-hub_wall 0.303799 113.854 32.3325 4 diffuser1_diffuser1-shroud_wall 3.59301 115.855 46.3226 4 diffuser1_diffuser1-hub_wall 10.9343 80.3061 50.2644 4 diffuser2_diffuser2-hub_wall 3.70563 153.948 78.9123 4 diffuser2_diffuser2-shroud_wall 3.22071 172.675 76.3902 4 volute_volute-spiral_wall 20.8165 397.835 147.118 5 impeller_rotor-blades_wall 0.0938972 92.5432 11.6651 5 impeller_rotor-shroud_wall 0.519782 144.662 30.6045 5 impeller_rotor-hub_wall 0.225180 112.747 30.9243 5 diffuser1_diffuser1-shroud_wall 3.63224 115.953 46.4195 5 diffuser1_diffuser1-hub_wall 10.7835 80.7983 50.4410 5 diffuser2_diffuser2-hub_wall 3.69492 160.722 79.1023 5 diffuser2_diffuser2-shroud_wall 3.26211 182.547 75.3918 5 volute_volute-spiral_wall 19.5068 414.948 144.544 6 impeller_rotor-blades_wall 0.0712149 91.9100 11.1361 6 impeller_rotor-shroud_wall 0.324204 143.411 28.2792 6 impeller_rotor-hub_wall 0.182378 110.494 29.7615 6 diffuser1_diffuser1-shroud_wall 3.75801 119.547 48.1310 6 diffuser1_diffuser1-hub_wall 11.1332 84.2027 52.4050 6 diffuser2_diffuser2-hub_wall 3.56143 167.003 79.7898 6 diffuser2_diffuser2-shroud_wall 3.39125 187.246 74.1525 6 volute_volute-spiral_wall 18.5297 433.780 143.687
Wall-clock time [ hh:mm:ss ]	05:25:30
Parallel Processors [ – ]	6
Fluid Name	air
Compressibility	compressible

Efficiency

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Efficiency [ – ]
1	0.213213	0.666693
2	0.196501	0.762003
3	0.182099	0.779118
4	0.168808	0.779229
5	0.159103	0.773444
6	0.150124	0.763536

Torque

Point Nr.	Torque [ N.m ]
1	1.42828
2	1.50148
3	1.48001
4	1.43845
5	1.39954
6	1.35748

Axial Force

Point Nr.	Axial Force [ N ]
1	-4000.02
2	-5028.17
3	-5691.55
4	-6018.22
5	-6086.41

Total Pressure Difference

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Difference [ Pa ]
1	0.213213	113676.
2	0.196501	160668.
3	0.182099	180055.
4	0.168808	192381.
5	0.159103	198879.
6	0.150124	203001.

Total Pressure Ratio

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Ratio [ – ]
1	0.213213	2.12171
2	0.196501	2.58537
3	0.182099	2.77644
4	0.168808	2.89745
5	0.159103	2.96071
6	0.150124	3.00021

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Pressure [ Pa ]
1	impeller-in	0.213213	101341.
1	impeller-to-diffuser1	0.213213	247067.
1	diffuser1-from-impeller	0.213212	236463.
1	diffuser1-to-diffuser2	0.213212	234935.
1	diffuser2-from-diffuser1	0.213238	234916.
1	diffuser2-to-volute	0.213238	230173.
1	volute-from-diffuser2	0.213490	229925.
1	volute-out	0.213490	215017.
2	impeller-in	0.196501	101344.
2	impeller-to-diffuser1	0.196494	288135.
2	diffuser1-from-impeller	0.196493	279506.
2	diffuser1-to-diffuser2	0.196490	277487.
2	diffuser2-from-diffuser1	0.196499	277471.
2	diffuser2-to-volute	0.196486	272617.
2	volute-from-diffuser2	0.196749	272193.
2	volute-out	0.196692	262013.
3	impeller-in	0.182099	101358.
3	impeller-to-diffuser1	0.182108	308173.
3	diffuser1-from-impeller	0.182106	300369.
3	diffuser1-to-diffuser2	0.182105	297999.
3	diffuser2-from-diffuser1	0.182102	297983.
3	diffuser2-to-volute	0.182089	292446.
3	volute-from-diffuser2	0.182368	291985.
3	volute-out	0.182235	281413.
4	impeller-in	0.168808	101389.
4	impeller-to-diffuser1	0.168799	323550.
4	diffuser1-from-impeller	0.168798	316163.
4	diffuser1-to-diffuser2	0.168793	313408.
4	diffuser2-from-diffuser1	0.168782	313391.
4	diffuser2-to-volute	0.168757	306543.
4	volute-from-diffuser2	0.169040	306131.
4	volute-out	0.168804	293771.
5	impeller-in	0.159103	101432.
5	impeller-to-diffuser1	0.159089	333661.
5	diffuser1-from-impeller	0.159087	326335.
5	diffuser1-to-diffuser2	0.159083	323210.
5	diffuser2-from-diffuser1	0.159067	323193.
5	diffuser2-to-volute	0.159046	314858.
5	volute-from-diffuser2	0.159326	314512.
5	volute-out	0.159115	300311.
6	impeller-in	0.150124	101490.
6	impeller-to-diffuser1	0.150103	342084.
6	diffuser1-from-impeller	0.150102	334668.
6	diffuser1-to-diffuser2	0.150096	331122.
6	diffuser2-from-diffuser1	0.150074	331104.
6	diffuser2-to-volute	0.150047	320766.
6	volute-from-diffuser2	0.150325	320458.
6	volute-out	0.150076	304490.

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Total Temperature Difference

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Temperature Difference [ K ]
1	0.213213	113.004
2	0.196501	128.579
3	0.182099	136.651
4	0.168808	143.265
5	0.159103	147.763
6	0.150124	151.833

Total Temperature per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Temperature [ K ]
1	impeller-in	0.213213	313.200
1	impeller-to-diffuser1	0.213213	426.701
1	diffuser1-from-impeller	0.213212	426.173
1	diffuser1-to-diffuser2	0.213212	426.165
1	diffuser2-from-diffuser1	0.213238	426.165
1	diffuser2-to-volute	0.213238	426.137
1	volute-from-diffuser2	0.213490	426.119
1	volute-out	0.213490	426.203
2	impeller-in	0.196501	313.196
2	impeller-to-diffuser1	0.196494	442.438
2	diffuser1-from-impeller	0.196493	441.721
2	diffuser1-to-diffuser2	0.196490	441.714
2	diffuser2-from-diffuser1	0.196499	441.713
2	diffuser2-to-volute	0.196486	441.711
2	volute-from-diffuser2	0.196749	441.702
2	volute-out	0.196692	441.776
3	impeller-in	0.182099	313.202
3	impeller-to-diffuser1	0.182108	450.608
3	diffuser1-from-impeller	0.182106	450.045
3	diffuser1-to-diffuser2	0.182105	450.060
3	diffuser2-from-diffuser1	0.182102	450.058
3	diffuser2-to-volute	0.182089	450.156
3	volute-from-diffuser2	0.182368	450.136
3	volute-out	0.182235	449.853
4	impeller-in	0.168808	313.224
4	impeller-to-diffuser1	0.168799	457.163
4	diffuser1-from-impeller	0.168798	456.747
4	diffuser1-to-diffuser2	0.168793	456.785
4	diffuser2-from-diffuser1	0.168782	456.784
4	diffuser2-to-volute	0.168757	456.983
4	volute-from-diffuser2	0.169040	456.959
4	volute-out	0.168804	456.490
5	impeller-in	0.159103	313.257
5	impeller-to-diffuser1	0.159089	461.664
5	diffuser1-from-impeller	0.159087	461.346
5	diffuser1-to-diffuser2	0.159083	461.398
5	diffuser2-from-diffuser1	0.159067	461.397
5	diffuser2-to-volute	0.159046	461.610
5	volute-from-diffuser2	0.159326	461.581
5	volute-out	0.159115	461.019
6	impeller-in	0.150124	313.302
6	impeller-to-diffuser1	0.150103	465.650
6	diffuser1-from-impeller	0.150102	465.467
6	diffuser1-to-diffuser2	0.150096	465.540
6	diffuser2-from-diffuser1	0.150074	465.539
6	diffuser2-to-volute	0.150047	465.785
6	volute-from-diffuser2	0.150325	465.750
6	volute-out	0.150076	465.135

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Velocity Magnitude [ m/s ]
1	impeller-in	0.213213	179.130
1	impeller-to-diffuser1	0.213213	309.445
1	diffuser1-from-impeller	0.213212	295.833
1	diffuser1-to-diffuser2	0.213212	282.902
1	diffuser2-from-diffuser1	0.213238	282.938
1	diffuser2-to-volute	0.213238	174.535
1	volute-from-diffuser2	0.213490	174.711
1	volute-out	0.213490	150.599
2	impeller-in	0.196501	168.918
2	impeller-to-diffuser1	0.196494	304.839
2	diffuser1-from-impeller	0.196493	293.858
2	diffuser1-to-diffuser2	0.196490	274.568
2	diffuser2-from-diffuser1	0.196499	274.596
2	diffuser2-to-volute	0.196486	184.249
2	volute-from-diffuser2	0.196749	183.399
2	volute-out	0.196692	111.019
3	impeller-in	0.182099	160.344
3	impeller-to-diffuser1	0.182108	306.974
3	diffuser1-from-impeller	0.182106	297.531
3	diffuser1-to-diffuser2	0.182105	275.405
3	diffuser2-from-diffuser1	0.182102	275.428
3	diffuser2-to-volute	0.182089	190.755
3	volute-from-diffuser2	0.182368	189.946
3	volute-out	0.182235	96.8883
4	impeller-in	0.168808	152.469
4	impeller-to-diffuser1	0.168799	310.677
4	diffuser1-from-impeller	0.168798	302.313
4	diffuser1-to-diffuser2	0.168793	278.046
4	diffuser2-from-diffuser1	0.168782	278.065
4	diffuser2-to-volute	0.168757	196.471
4	volute-from-diffuser2	0.169040	195.868
4	volute-out	0.168804	87.1733
5	impeller-in	0.159103	146.712
5	impeller-to-diffuser1	0.159089	314.238
5	diffuser1-from-impeller	0.159087	306.438
5	diffuser1-to-diffuser2	0.159083	280.709
5	diffuser2-from-diffuser1	0.159067	280.726
5	diffuser2-to-volute	0.159046	200.227
5	volute-from-diffuser2	0.159326	199.872
5	volute-out	0.159115	81.2313
6	impeller-in	0.150124	141.271
6	impeller-to-diffuser1	0.150103	317.984
6	diffuser1-from-impeller	0.150102	310.560
6	diffuser1-to-diffuser2	0.150096	283.520
6	diffuser2-from-diffuser1	0.150074	283.534
6	diffuser2-to-volute	0.150047	203.134
6	volute-from-diffuser2	0.150325	202.931
6	volute-out	0.150076	76.3568

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	impeller-in	0.213213	144.373*	0.0447567*
1	impeller-to-diffuser1	0.213213	145.142*	81.5683*
1	diffuser1-from-impeller	0.213212	42.2560	81.6692
1	diffuser1-to-diffuser2	0.213212	45.6556	86.8792
1	diffuser2-from-diffuser1	0.213238	45.6535	86.8749
1	diffuser2-to-volute	0.213238	32.0170	87.3861
1	volute-from-diffuser2	0.213490	32.3849	88.1603
1	volute-out	0.213490	48.7315	75.8661
2	impeller-in	0.196501	144.866*	0.617982*
2	impeller-to-diffuser1	0.196494	148.116*	81.2909*
2	diffuser1-from-impeller	0.196493	32.4064	81.3715
2	diffuser1-to-diffuser2	0.196490	35.3883	86.8382
2	diffuser2-from-diffuser1	0.196499	35.3853	86.8353
2	diffuser2-to-volute	0.196486	23.7921	88.9693
2	volute-from-diffuser2	0.196749	23.5142	89.2084
2	volute-out	0.196692	51.6319	84.3171
3	impeller-in	0.182099	144.024*	1.78723*
3	impeller-to-diffuser1	0.182108	149.694*	81.3080*
3	diffuser1-from-impeller	0.182106	27.7179	81.3689
3	diffuser1-to-diffuser2	0.182105	30.3923	86.7942
3	diffuser2-from-diffuser1	0.182102	30.3890	86.7923
3	diffuser2-to-volute	0.182089	20.7959	89.4444
3	volute-from-diffuser2	0.182368	20.5000	89.7832
3	volute-out	0.182235	50.7818	85.9858
4	impeller-in	0.168808	142.131*	3.48705*
4	impeller-to-diffuser1	0.168799	150.935*	81.4624*
4	diffuser1-from-impeller	0.168798	24.2582	81.4922
4	diffuser1-to-diffuser2	0.168793	26.6758	86.7112
4	diffuser2-from-diffuser1	0.168782	26.6723	86.7105
4	diffuser2-to-volute	0.168757	19.2174	88.5796
4	volute-from-diffuser2	0.169040	19.0340	89.3035
4	volute-out	0.168804	50.1521	86.4043
5	impeller-in	0.159103	140.053*	5.12371*
5	impeller-to-diffuser1	0.159089	151.702*	81.6040*
5	diffuser1-from-impeller	0.159087	22.0636	81.6043
5	diffuser1-to-diffuser2	0.159083	24.3143	86.6057
5	diffuser2-from-diffuser1	0.159067	24.3108	86.6059
5	diffuser2-to-volute	0.159046	18.4835	86.8001
5	volute-from-diffuser2	0.159326	18.4119	88.0343
5	volute-out	0.159115	49.9924	86.6689
6	impeller-in	0.150124	137.686*	6.90042*
6	impeller-to-diffuser1	0.150103	152.255*	81.7071*
6	diffuser1-from-impeller	0.150102	20.2366	81.6947
6	diffuser1-to-diffuser2	0.150096	22.3484	86.4451
6	diffuser2-from-diffuser1	0.150074	22.3450	86.4461
6	diffuser2-to-volute	0.150047	18.1296	84.1116
6	volute-from-diffuser2	0.150325	18.1046	85.4705
6	volute-out	0.150076	50.0152	86.9365

(*) Calculated from the relative velocity.

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Blade to Blade View

Setup #1

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.1

Setup #2

Setup #2
Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.5

Setup #3

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.9

Meridional Average

Setup #1

Meshes:	1
Field:	p

Speedline #2

Simulation Stats

Test Case Name	eveningTest
Number of Points [ – ]	6
Machine Type	compressor
Rotation Speed [ rad/s ]	15708.0
Number of Components [ – ] (topology)	4
Mesh Size [ cells ] (details)	impeller : 557786 diffuser1 : 36895 diffuser2 : 106990 volute : 22230 Total : 723901
Mesh details [ mm ]: Component Property Min Max Avg 1 cellOpenness N/A 3.87892 × 10-16 N/A 1 cellVolume 2.64985 × 10-4 0.536633 N/A 1 faceArea 3.65891 × 10-5 0.688002 N/A 1 aspectRatio N/A 8.34558 N/A 1 nonOrthogonality N/A 64.7603 16.4934 1 skewness N/A 10.5356 N/A 1 edgeLength 0 0.850130 N/A 1 concaveAngle N/A 79.9014 N/A 1 faceFlatness 0.0843477 N/A 0.993794 1 cellDeterminant 0.0470653 N/A 29.5953 1 faceInterpolationWeight 0.0737569 N/A 0.421962 1 faceVolumeRatio 0.0103786 0.596850 N/A 1 Warnings: 2 skew faces 1686 faces with low quality or negative volume decomposition tets 142 points on short edges 146 near (closer than 9.039129e-05 apart) points 11197 faces with concave angles 138 warped faces 51383 concave cells 2 cellOpenness N/A 3.83231 × 10-16 N/A 2 cellVolume 4.08210 × 10-4 0.530607 N/A 2 faceArea 0.00140445 0.705754 N/A 2 aspectRatio N/A 7.21332 N/A 2 nonOrthogonality N/A 54.6413 13.0831 2 skewness N/A 3.11626 N/A 2 edgeLength N/A N/A N/A 2 concaveAngle N/A 73.4901 N/A 2 faceFlatness 0.722479 N/A 0.997616 2 cellDeterminant 0.0439111 N/A 16.7724 2 faceInterpolationWeight 0.0367676 N/A 0.444169 2 faceVolumeRatio 0.0104876 0.737232 N/A 2 Warnings: 325 faces with low quality or negative volume decomposition tets 907 faces with concave angles 49 warped faces 2129 concave cells 7 faces with low interpolation weights 3 cellOpenness N/A 3.74917 × 10-16 N/A 3 cellVolume 3.89125 × 10-4 0.540409 N/A 3 faceArea 0.00114409 0.717989 N/A 3 aspectRatio N/A 7.52149 N/A 3 nonOrthogonality N/A 64.5308 12.3274 3 skewness N/A 3.92360 N/A 3 edgeLength N/A N/A N/A 3 concaveAngle N/A 76.5192 N/A 3 faceFlatness 0.719134 N/A 0.998408 3 cellDeterminant 0.0397772 N/A 17.0140 3 faceInterpolationWeight 0.0386421 N/A 0.449597 3 faceVolumeRatio 0.0115437 0.752677 N/A 3 Warnings: 295 faces with low quality or negative volume decomposition tets 934 faces with concave angles 22 warped faces 6841 concave cells 8 faces with low interpolation weights 4 cellOpenness N/A 3.05178 × 10-16 N/A 4 cellVolume 0.260266 46.9526 N/A 4 faceArea 0.345005 14.8278 N/A 4 aspectRatio N/A 7.17816 N/A 4 nonOrthogonality N/A 51.2966 14.0355 4 skewness N/A 1.35187 N/A 4 edgeLength N/A N/A N/A 4 concaveAngle N/A 65.5318 N/A 4 faceFlatness 0.853388 N/A 0.997195 4 cellDeterminant 0.0675418 N/A 19.7408 4 faceInterpolationWeight 0.125594 N/A 0.437762 4 faceVolumeRatio 0.0255976 0.690403 N/A 4 Warnings: 25 faces with low quality or negative volume decomposition tets 77 faces with concave angles 1357 concave cells
Average y+ at walls [ – ] (details)	185.904
y+ details: Point Patch Min Max Avg 1 impeller_rotor-blades_wall 0.420155 114.826 14.7832 1 impeller_rotor-shroud_wall 2.43697 174.566 43.4171 1 impeller_rotor-hub_wall 0.912810 132.948 40.2112 1 diffuser1_diffuser1-shroud_wall 3.80200 127.782 52.6043 1 diffuser1_diffuser1-hub_wall 13.4151 85.9981 57.2079 1 diffuser2_diffuser2-hub_wall 2.96298 147.688 80.1926 1 diffuser2_diffuser2-shroud_wall 1.19162 148.200 76.8966 1 volute_volute-spiral_wall 35.0234 466.539 185.904 2 impeller_rotor-blades_wall 0.256352 106.368 13.4539 2 impeller_rotor-shroud_wall 2.29305 150.497 39.3422 2 impeller_rotor-hub_wall 0.549616 116.471 35.5734 2 diffuser1_diffuser1-shroud_wall 3.54870 117.684 47.9197 2 diffuser1_diffuser1-hub_wall 11.9391 80.1679 51.9712 2 diffuser2_diffuser2-hub_wall 3.41193 141.613 76.5412 2 diffuser2_diffuser2-shroud_wall 3.17875 147.802 74.9076 2 volute_volute-spiral_wall 28.0299 377.416 161.232 3 impeller_rotor-blades_wall 0.152398 95.4272 12.2111 3 impeller_rotor-shroud_wall 1.72095 142.529 35.5080 3 impeller_rotor-hub_wall 0.316780 107.768 32.3781 3 diffuser1_diffuser1-shroud_wall 3.42679 111.177 44.8691 3 diffuser1_diffuser1-hub_wall 10.9198 76.4068 48.6008 3 diffuser2_diffuser2-hub_wall 3.55931 137.628 75.0743 3 diffuser2_diffuser2-shroud_wall 3.12995 146.114 74.1320 3 volute_volute-spiral_wall 23.9523 369.949 148.657 4 impeller_rotor-blades_wall 0.0814751 86.3401 11.2492 4 impeller_rotor-shroud_wall 1.01816 135.489 32.0402 4 impeller_rotor-hub_wall 0.195407 106.676 30.1384 4 diffuser1_diffuser1-shroud_wall 3.36758 107.520 43.1883 4 diffuser1_diffuser1-hub_wall 10.2051 74.3368 46.7813 4 diffuser2_diffuser2-hub_wall 3.48271 140.999 74.7117 4 diffuser2_diffuser2-shroud_wall 3.07920 154.916 73.2192 4 volute_volute-spiral_wall 20.8976 366.139 141.871 5 impeller_rotor-blades_wall 0.0490331 82.4931 10.5237 5 impeller_rotor-shroud_wall 0.492123 133.554 28.8035 5 impeller_rotor-hub_wall 0.135032 105.561 28.4356 5 diffuser1_diffuser1-shroud_wall 3.37688 106.127 42.5486 5 diffuser1_diffuser1-hub_wall 9.77710 73.8481 46.1666 5 diffuser2_diffuser2-hub_wall 3.46327 149.228 74.8624 5 diffuser2_diffuser2-shroud_wall 3.09012 169.078 72.1847 5 volute_volute-spiral_wall 19.1030 384.008 138.168 6 impeller_rotor-blades_wall 0.0418204 83.3441 9.71596 6 impeller_rotor-shroud_wall 0.238165 132.491 25.0315 6 impeller_rotor-hub_wall 0.107187 101.593 26.6911 6 diffuser1_diffuser1-shroud_wall 3.62611 112.434 45.4559 6 diffuser1_diffuser1-hub_wall 10.3261 79.5637 49.5375 6 diffuser2_diffuser2-hub_wall 3.27718 159.388 76.2574 6 diffuser2_diffuser2-shroud_wall 3.32188 175.993 70.2373 6 volute_volute-spiral_wall 17.5121 414.977 136.678
Wall-clock time [ hh:mm:ss ]	06:11:18
Parallel Processors [ – ]	6
Fluid Name	air
Compressibility	compressible

Efficiency

1:impeller-inlet — 2:spiral-outlet

Point Nr.	Flow Rate [ kg/s ]	Efficiency [ – ]
1	13.9557	0.814545
2	13.0486	0.833951
3	12.2298	0.844480
4	10.8984	0.852424
5	9.86022	0.847176
6	9.04222	0.838845
7	8.36214	0.824573
8	7.80012	0.811868

Torque

Point Nr.	Torque [ N.m ]
1	1.23510
2	1.26742
3	1.25291
4	1.22085
5	1.17991
6	1.11613

Axial Force

Point Nr.	Axial Force [ N ]
1	-11.8011
2	-12.6955
3	-11.9198
4	-10.4824
5	-8.70410
6	-5.87714

Total Pressure Difference

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Difference [ Pa ]
1	0.197258	100193.
2	0.182743	128965.
3	0.168266	147430.
4	0.155347	159619.
5	0.143796	167267.
6	0.129404	172718.

Total Pressure Ratio

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Ratio [ – ]
1	0.197258	1.98868
2	0.182743	2.27256
3	0.168266	2.45459
4	0.155347	2.57438
5	0.143796	2.64896
6	0.129404	2.70107

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Pressure [ Pa ]
1	impeller-in	0.197258	101340.
1	impeller-to-diffuser1	0.197258	227816.
1	diffuser1-from-impeller	0.197257	219958.
1	diffuser1-to-diffuser2	0.197257	218694.
1	diffuser2-from-diffuser1	0.197280	218677.
1	diffuser2-to-volute	0.197280	214794.
1	volute-from-diffuser2	0.197525	214582.
1	volute-out	0.197525	201533.
2	impeller-in	0.182743	101343.
2	impeller-to-diffuser1	0.182758	251917.
2	diffuser1-from-impeller	0.182756	245093.
2	diffuser1-to-diffuser2	0.182754	243598.
2	diffuser2-from-diffuser1	0.182767	243583.
2	diffuser2-to-volute	0.182750	239756.
2	volute-from-diffuser2	0.182994	239452.
2	volute-out	0.182878	230307.
3	impeller-in	0.168266	101355.
3	impeller-to-diffuser1	0.168254	269680.
3	diffuser1-from-impeller	0.168253	263528.
3	diffuser1-to-diffuser2	0.168245	261764.
3	diffuser2-from-diffuser1	0.168246	261750.
3	diffuser2-to-volute	0.168208	257578.
3	volute-from-diffuser2	0.168460	257190.
3	volute-out	0.168218	248785.
4	impeller-in	0.155347	101386.
4	impeller-to-diffuser1	0.155297	283509.
4	diffuser1-from-impeller	0.155298	277742.
4	diffuser1-to-diffuser2	0.155283	275659.
4	diffuser2-from-diffuser1	0.155276	275645.
4	diffuser2-to-volute	0.155220	270653.
4	volute-from-diffuser2	0.155475	270302.
4	volute-out	0.155234	261005.
5	impeller-in	0.143796	101438.
5	impeller-to-diffuser1	0.143756	294411.
5	diffuser1-from-impeller	0.143756	288739.
5	diffuser1-to-diffuser2	0.143745	286292.
5	diffuser2-from-diffuser1	0.143731	286278.
5	diffuser2-to-volute	0.143687	279996.
5	volute-from-diffuser2	0.143939	279680.
5	volute-out	0.143756	268705.
6	impeller-in	0.129404	101535.
6	impeller-to-diffuser1	0.129422	306081.
6	diffuser1-from-impeller	0.129422	300461.
6	diffuser1-to-diffuser2	0.129421	297361.
6	diffuser2-from-diffuser1	0.129400	297345.
6	diffuser2-to-volute	0.129399	288081.
6	volute-from-diffuser2	0.129648	287822.
6	volute-out	0.129645	274253.

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Total Temperature Difference

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Temperature Difference [ K ]
1	0.197258	98.9292
2	0.182743	109.207
3	0.168266	117.559
4	0.155347	124.343
5	0.143796	129.702
6	0.129404	135.737

Total Temperature per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Temperature [ K ]
1	impeller-in	0.197258	313.192
1	impeller-to-diffuser1	0.197258	412.659
1	diffuser1-from-impeller	0.197257	412.098
1	diffuser1-to-diffuser2	0.197257	412.091
1	diffuser2-from-diffuser1	0.197280	412.091
1	diffuser2-to-volute	0.197280	412.065
1	volute-from-diffuser2	0.197525	412.051
1	volute-out	0.197525	412.121
2	impeller-in	0.182743	313.190
2	impeller-to-diffuser1	0.182758	423.311
2	diffuser1-from-impeller	0.182756	422.641
2	diffuser1-to-diffuser2	0.182754	422.650
2	diffuser2-from-diffuser1	0.182767	422.650
2	diffuser2-to-volute	0.182750	422.732
2	volute-from-diffuser2	0.182994	422.722
2	volute-out	0.182878	422.397
3	impeller-in	0.168266	313.195
3	impeller-to-diffuser1	0.168254	431.275
3	diffuser1-from-impeller	0.168253	430.734
3	diffuser1-to-diffuser2	0.168245	430.747
3	diffuser2-from-diffuser1	0.168246	430.747
3	diffuser2-to-volute	0.168208	430.877
3	volute-from-diffuser2	0.168460	430.868
3	volute-out	0.168218	430.754
4	impeller-in	0.155347	313.217
4	impeller-to-diffuser1	0.155297	437.551
4	diffuser1-from-impeller	0.155298	437.135
4	diffuser1-to-diffuser2	0.155283	437.114
4	diffuser2-from-diffuser1	0.155276	437.113
4	diffuser2-to-volute	0.155220	437.173
4	volute-from-diffuser2	0.155475	437.160
4	volute-out	0.155234	437.559
5	impeller-in	0.143796	313.257
5	impeller-to-diffuser1	0.143756	442.809
5	diffuser1-from-impeller	0.143756	442.463
5	diffuser1-to-diffuser2	0.143745	442.420
5	diffuser2-from-diffuser1	0.143731	442.419
5	diffuser2-to-volute	0.143687	442.409
5	volute-from-diffuser2	0.143939	442.391
5	volute-out	0.143756	442.959
6	impeller-in	0.129404	313.335
6	impeller-to-diffuser1	0.129422	449.163
6	diffuser1-from-impeller	0.129422	449.043
6	diffuser1-to-diffuser2	0.129421	449.029
6	diffuser2-from-diffuser1	0.129400	449.027
6	diffuser2-to-volute	0.129399	449.003
6	volute-from-diffuser2	0.129648	448.976
6	volute-out	0.129645	449.072

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Velocity Magnitude [ m/s ]
1	wheel-in	13.9557	96.8075
1	wheel-to-spiral	13.9557	131.199
1	spiral-from-wheel	13.9557	130.033
1	spiral-out	13.9557	96.3250
2	wheel-in	13.0486	90.0569
2	wheel-to-spiral	13.0486	133.055
2	spiral-from-wheel	13.0486	131.950
2	spiral-out	13.0486	88.1962
3	wheel-in	12.2298	84.0531
3	wheel-to-spiral	12.2298	134.644
3	spiral-from-wheel	12.2298	133.620
3	spiral-out	12.2298	81.6838
4	wheel-in	10.8984	74.4448
4	wheel-to-spiral	10.8984	137.044
4	spiral-from-wheel	10.8984	136.111
4	spiral-out	10.8984	71.9132
5	wheel-in	9.86022	67.0675
5	wheel-to-spiral	9.86022	139.535
5	spiral-from-wheel	9.86022	138.500
5	spiral-out	9.86022	64.9070
6	wheel-in	9.04222	61.3190
6	wheel-to-spiral	9.04222	141.480
6	spiral-from-wheel	9.04223	140.724
6	spiral-out	9.04223	59.6169
7	wheel-in	8.36214	56.5776
7	wheel-to-spiral	8.36213	141.842
7	spiral-from-wheel	8.36214	142.819
7	spiral-out	8.36214	55.4051
8	wheel-in	7.80012	52.6825
8	wheel-to-spiral	7.80014	142.939
8	spiral-from-wheel	7.80010	144.209
8	spiral-out	7.80010	51.9890

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

​

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	impeller-in	0.197258	145.013*	0.0880316*
1	impeller-to-diffuser1	0.197258	145.395*	81.4431*
1	diffuser1-from-impeller	0.197257	42.2681	81.5055
1	diffuser1-to-diffuser2	0.197257	45.7304	86.8819
1	diffuser2-from-diffuser1	0.197280	45.7283	86.8777
1	diffuser2-to-volute	0.197280	32.3965	87.5173
1	volute-from-diffuser2	0.197525	32.7658	88.2603
1	volute-out	0.197525	48.3189	75.5822
2	impeller-in	0.182743	145.343*	0.656791*
2	impeller-to-diffuser1	0.182758	147.568*	81.2843*
2	diffuser1-from-impeller	0.182756	34.6894	81.3405
2	diffuser1-to-diffuser2	0.182754	37.8589	86.8535
2	diffuser2-from-diffuser1	0.182767	37.8562	86.8502
2	diffuser2-to-volute	0.182750	25.8253	88.3447
2	volute-from-diffuser2	0.182994	25.6380	88.8504
2	volute-out	0.182878	51.5940	82.2082
3	impeller-in	0.168266	144.308*	1.95759*
3	impeller-to-diffuser1	0.168254	149.247*	81.2854*
3	diffuser1-from-impeller	0.168253	29.3933	81.3309
3	diffuser1-to-diffuser2	0.168245	32.2512	86.8233
3	diffuser2-from-diffuser1	0.168246	32.2480	86.8210
3	diffuser2-to-volute	0.168208	21.8921	89.4145
3	volute-from-diffuser2	0.168460	21.5842	89.5616
3	volute-out	0.168218	51.2426	85.6084
4	impeller-in	0.155347	142.146*	3.80377*
4	impeller-to-diffuser1	0.155297	150.589*	81.4114*
4	diffuser1-from-impeller	0.155298	25.5255	81.4300
4	diffuser1-to-diffuser2	0.155283	28.1116	86.7714
4	diffuser2-from-diffuser1	0.155276	28.1082	86.7703
4	diffuser2-to-volute	0.155220	19.7181	89.2246
4	volute-from-diffuser2	0.155475	19.4967	89.8005
4	volute-out	0.155234	50.4196	86.2345
5	impeller-in	0.143796	139.169*	6.04964*
5	impeller-to-diffuser1	0.143756	151.608*	81.5864*
5	diffuser1-from-impeller	0.143756	22.5715	81.5720
5	diffuser1-to-diffuser2	0.143745	24.9313	86.6656
5	diffuser2-from-diffuser1	0.143731	24.9279	86.6655
5	diffuser2-to-volute	0.143687	18.5844	87.7205
5	volute-from-diffuser2	0.143939	18.4579	88.6603
5	volute-out	0.143756	50.0670	86.5609
6	impeller-in	0.129404	134.692*	9.30613*
6	impeller-to-diffuser1	0.129422	152.638*	81.8360*
6	diffuser1-from-impeller	0.129422	19.3819	81.7808
6	diffuser1-to-diffuser2	0.129421	21.4955	86.3856
6	diffuser2-from-diffuser1	0.129400	21.4921	86.3868
6	diffuser2-to-volute	0.129399	17.9723	83.0888
6	volute-from-diffuser2	0.129648	17.9369	84.3526
6	volute-out	0.129645	50.0889	87.0661

(*) Calculated from the relative velocity.

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

​

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Blade to Blade View

Setup #1

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.1

Setup #2

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.9

Setup #3

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.9

Meridional Average

Setup #1

Meshes:	1
Field:	p

Speedline #3

Simulation Stats

Test Case Name	eveningTest
Number of Points [ – ]	6
Machine Type	compressor
Rotation Speed [ rad/s ]	14660.8
Number of Components [ – ] (topology)	4
Mesh Size [ cells ] (details)	impeller : 557786 diffuser1 : 36895 diffuser2 : 106990 volute : 22230 Total : 723901
Mesh details [ mm ]: Component Property Min Max Avg 1 cellOpenness N/A 3.87892 × 10-16 N/A 1 cellVolume 2.64985 × 10-4 0.536633 N/A 1 faceArea 3.65891 × 10-5 0.688002 N/A 1 aspectRatio N/A 8.34558 N/A 1 nonOrthogonality N/A 64.7603 16.4934 1 skewness N/A 10.5356 N/A 1 edgeLength 0 0.850130 N/A 1 concaveAngle N/A 79.9014 N/A 1 faceFlatness 0.0843477 N/A 0.993794 1 cellDeterminant 0.0470653 N/A 29.5953 1 faceInterpolationWeight 0.0737569 N/A 0.421962 1 faceVolumeRatio 0.0103786 0.596850 N/A 1 Warnings: 2 skew faces 1686 faces with low quality or negative volume decomposition tets 142 points on short edges 146 near (closer than 9.039129e-05 apart) points 11197 faces with concave angles 138 warped faces 51383 concave cells 2 cellOpenness N/A 3.83231 × 10-16 N/A 2 cellVolume 4.08210 × 10-4 0.530607 N/A 2 faceArea 0.00140445 0.705754 N/A 2 aspectRatio N/A 7.21332 N/A 2 nonOrthogonality N/A 54.6413 13.0831 2 skewness N/A 3.11626 N/A 2 edgeLength N/A N/A N/A 2 concaveAngle N/A 73.4901 N/A 2 faceFlatness 0.722479 N/A 0.997616 2 cellDeterminant 0.0439111 N/A 16.7724 2 faceInterpolationWeight 0.0367676 N/A 0.444169 2 faceVolumeRatio 0.0104876 0.737232 N/A 2 Warnings: 325 faces with low quality or negative volume decomposition tets 907 faces with concave angles 49 warped faces 2129 concave cells 7 faces with low interpolation weights 3 cellOpenness N/A 3.74917 × 10-16 N/A 3 cellVolume 3.89125 × 10-4 0.540409 N/A 3 faceArea 0.00114409 0.717989 N/A 3 aspectRatio N/A 7.52149 N/A 3 nonOrthogonality N/A 64.5308 12.3274 3 skewness N/A 3.92360 N/A 3 edgeLength N/A N/A N/A 3 concaveAngle N/A 76.5192 N/A 3 faceFlatness 0.719134 N/A 0.998408 3 cellDeterminant 0.0397772 N/A 17.0140 3 faceInterpolationWeight 0.0386421 N/A 0.449597 3 faceVolumeRatio 0.0115437 0.752677 N/A 3 Warnings: 295 faces with low quality or negative volume decomposition tets 934 faces with concave angles 22 warped faces 6841 concave cells 8 faces with low interpolation weights 4 cellOpenness N/A 3.05178 × 10-16 N/A 4 cellVolume 0.260266 46.9526 N/A 4 faceArea 0.345005 14.8278 N/A 4 aspectRatio N/A 7.17816 N/A 4 nonOrthogonality N/A 51.2966 14.0355 4 skewness N/A 1.35187 N/A 4 edgeLength N/A N/A N/A 4 concaveAngle N/A 65.5318 N/A 4 faceFlatness 0.853388 N/A 0.997195 4 cellDeterminant 0.0675418 N/A 19.7408 4 faceInterpolationWeight 0.125594 N/A 0.437762 4 faceVolumeRatio 0.0255976 0.690403 N/A 4 Warnings: 25 faces with low quality or negative volume decomposition tets 77 faces with concave angles 1357 concave cells
Average y+ at walls [ – ] (details)	172.734
y+ details: Point Patch Min Max Avg 1 impeller_rotor-blades_wall 0.276668 104.103 12.9492 1 impeller_rotor-shroud_wall 2.38018 157.573 40.0670 1 impeller_rotor-hub_wall 0.599784 118.278 35.1660 1 diffuser1_diffuser1-shroud_wall 3.39524 113.454 47.0087 1 diffuser1_diffuser1-hub_wall 10.1298 76.2116 50.9878 1 diffuser2_diffuser2-hub_wall 2.67015 134.507 73.2454 1 diffuser2_diffuser2-shroud_wall 1.02682 136.914 70.7062 1 volute_volute-spiral_wall 31.3511 439.772 172.734 2 impeller_rotor-blades_wall 0.128057 93.7460 11.5257 2 impeller_rotor-shroud_wall 1.90656 139.144 35.5224 2 impeller_rotor-hub_wall 0.275737 103.231 30.7446 2 diffuser1_diffuser1-shroud_wall 3.18241 103.953 42.4928 2 diffuser1_diffuser1-hub_wall 10.5219 70.8042 45.9748 2 diffuser2_diffuser2-hub_wall 3.05262 129.226 70.1584 2 diffuser2_diffuser2-shroud_wall 2.92917 133.825 69.4016 2 volute_volute-spiral_wall 25.9213 342.409 147.629 3 impeller_rotor-blades_wall 0.0471997 79.7027 10.1781 3 impeller_rotor-shroud_wall 0.981169 124.788 30.5090 3 impeller_rotor-hub_wall 0.126961 98.5373 27.3826 3 diffuser1_diffuser1-shroud_wall 3.12499 98.2970 39.7109 3 diffuser1_diffuser1-hub_wall 9.40034 67.7190 42.9388 3 diffuser2_diffuser2-hub_wall 3.22891 127.340 69.6241 3 diffuser2_diffuser2-shroud_wall 2.85121 136.607 68.9752 3 volute_volute-spiral_wall 20.8845 338.534 135.350 4 impeller_rotor-blades_wall 0.0299555 74.3862 9.38269 4 impeller_rotor-shroud_wall 0.443508 123.672 26.7571 4 impeller_rotor-hub_wall 0.0827910 97.1163 25.4871 4 diffuser1_diffuser1-shroud_wall 3.14158 96.7886 38.9483 4 diffuser1_diffuser1-hub_wall 8.88555 67.2720 42.1975 4 diffuser2_diffuser2-hub_wall 3.20404 136.766 70.1044 4 diffuser2_diffuser2-shroud_wall 2.87131 153.829 68.1194 4 volute_volute-spiral_wall 18.5712 350.510 130.571 5 impeller_rotor-blades_wall 0.0256604 75.3922 8.76089 5 impeller_rotor-shroud_wall 0.258565 123.088 23.5334 5 impeller_rotor-hub_wall 0.0721897 94.2708 24.1500 5 diffuser1_diffuser1-shroud_wall 3.27945 99.7755 40.2429 5 diffuser1_diffuser1-hub_wall 8.97985 70.0456 43.7706 5 diffuser2_diffuser2-hub_wall 3.08444 145.232 71.1596 5 diffuser2_diffuser2-shroud_wall 3.01765 163.729 67.1501 5 volute_volute-spiral_wall 17.1737 373.757 128.667 6 impeller_rotor-blades_wall 0.0218693 150.314 9.86440 6 impeller_rotor-shroud_wall 0.524753 494.394 26.5619 6 impeller_rotor-hub_wall 0.0625680 92.1758 24.0494 6 diffuser1_diffuser1-shroud_wall 3.47766 105.907 43.0985 6 diffuser1_diffuser1-hub_wall 9.61384 75.8723 47.1340 6 diffuser2_diffuser2-hub_wall 2.90965 151.088 72.1375 6 diffuser2_diffuser2-shroud_wall 3.26833 161.151 65.0760 6 volute_volute-spiral_wall 16.1618 397.757 128.599
Wall-clock time [ hh:mm:ss ]	05:57:31
Parallel Processors [ – ]	6
Fluid Name	air
Compressibility	compressible

Efficiency

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Efficiency [ – ]
1	0.179605	0.703528
2	0.161342	0.771437
3	0.142570	0.788280
4	0.129322	0.782438
5	0.118249	0.768886
6	0.108749	0.753484

Torque

Point Nr.	Torque [ N.m ]
1	1.04621
2	1.06136
3	1.02749
4	0.984958
5	0.941413
6	0.918981

Axial Force

Point Nr.	Axial Force [ N ]
1	-4.84008
2	-5.03582
3	-3.42565
4	-1.53129
5	0.472987
6	2.65406

Total Pressure Difference

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Difference [ Pa ]
1	0.179605	86141.8
2	0.161342	113112.
3	0.142570	130848.
4	0.129322	139162.
5	0.118249	143892.
6	0.108749	146175.

Total Pressure Ratio

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Ratio [ – ]
1	0.179605	1.85004
2	0.161342	2.11611
3	0.142570	2.29068
4	0.129322	2.37187
5	0.118249	2.41743
6	0.108749	2.43741

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Pressure [ Pa ]
1	impeller-in	0.179605	101339.
1	impeller-to-diffuser1	0.179606	208929.
1	diffuser1-from-impeller	0.179605	202951.
1	diffuser1-to-diffuser2	0.179605	201926.
1	diffuser2-from-diffuser1	0.179625	201911.
1	diffuser2-to-volute	0.179625	198798.
1	volute-from-diffuser2	0.179855	198622.
1	volute-out	0.179856	187480.
2	impeller-in	0.161342	101345.
2	impeller-to-diffuser1	0.161283	231418.
2	diffuser1-from-impeller	0.161284	226311.
2	diffuser1-to-diffuser2	0.161269	225066.
2	diffuser2-from-diffuser1	0.161278	225052.
2	diffuser2-to-volute	0.161225	221947.
2	volute-from-diffuser2	0.161452	221676.
2	volute-out	0.161273	214458.
3	impeller-in	0.142570	101379.
3	impeller-to-diffuser1	0.142532	249430.
3	diffuser1-from-impeller	0.142533	244938.
3	diffuser1-to-diffuser2	0.142523	243358.
3	diffuser2-from-diffuser1	0.142519	243346.
3	diffuser2-to-volute	0.142483	239632.
3	volute-from-diffuser2	0.142711	239317.
3	volute-out	0.142575	232228.
4	impeller-in	0.129322	101439.
4	impeller-to-diffuser1	0.129279	260423.
4	diffuser1-from-impeller	0.129280	256072.
4	diffuser1-to-diffuser2	0.129269	254177.
4	diffuser2-from-diffuser1	0.129258	254165.
4	diffuser2-to-volute	0.129217	249394.
4	volute-from-diffuser2	0.129445	249116.
4	volute-out	0.129298	240601.
5	impeller-in	0.118249	101516.
5	impeller-to-diffuser1	0.118223	268906.
5	diffuser1-from-impeller	0.118224	264572.
5	diffuser1-to-diffuser2	0.118213	262292.
5	diffuser2-from-diffuser1	0.118196	262279.
5	diffuser2-to-volute	0.118156	255901.
5	volute-from-diffuser2	0.118382	255692.
5	volute-out	0.118233	245408.
6	impeller-in	0.108749	101693.
6	impeller-to-diffuser1	0.108852	276126.
6	diffuser1-from-impeller	0.108849	271744.
6	diffuser1-to-diffuser2	0.108853	269021.
6	diffuser2-from-diffuser1	0.108831	269007.
6	diffuser2-to-volute	0.108815	259995.
6	volute-from-diffuser2	0.109043	259768.
6	volute-out	0.108843	247868.

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

​

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Total Temperature Difference

1:rotor-inflow — 4:volute-outflow

Point Nr.	Flow Rate [ kg/s ]	Total Temperature Difference [ K ]
1	0.179605	85.8193
2	0.161342	97.2740
3	0.142570	106.519
4	0.129322	112.422
5	0.118249	117.280
6	0.108749	121.000

Total Temperature per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Temperature [ K ]
1	impeller-in	0.179605	313.184
1	impeller-to-diffuser1	0.179606	399.560
1	diffuser1-from-impeller	0.179605	398.987
1	diffuser1-to-diffuser2	0.179605	398.980
1	diffuser2-from-diffuser1	0.179625	398.980
1	diffuser2-to-volute	0.179625	398.958
1	volute-from-diffuser2	0.179855	398.947
1	volute-out	0.179856	399.003
2	impeller-in	0.161342	313.185
2	impeller-to-diffuser1	0.161283	410.514
2	diffuser1-from-impeller	0.161284	409.945
2	diffuser1-to-diffuser2	0.161269	409.920
2	diffuser2-from-diffuser1	0.161278	409.920
2	diffuser2-to-volute	0.161225	409.906
2	volute-from-diffuser2	0.161452	409.902
2	volute-out	0.161273	410.459
3	impeller-in	0.142570	313.208
3	impeller-to-diffuser1	0.142532	419.528
3	diffuser1-from-impeller	0.142533	419.127
3	diffuser1-to-diffuser2	0.142523	419.075
3	diffuser2-from-diffuser1	0.142519	419.075
3	diffuser2-to-volute	0.142483	418.998
3	volute-from-diffuser2	0.142711	418.993
3	volute-out	0.142575	419.727
4	impeller-in	0.129322	313.255
4	impeller-to-diffuser1	0.129279	425.388
4	diffuser1-from-impeller	0.129280	425.067
4	diffuser1-to-diffuser2	0.129269	425.001
4	diffuser2-from-diffuser1	0.129258	425.000
4	diffuser2-to-volute	0.129217	424.955
4	volute-from-diffuser2	0.129445	424.942
4	volute-out	0.129298	425.678
5	impeller-in	0.118249	313.318
5	impeller-to-diffuser1	0.118223	430.189
5	diffuser1-from-impeller	0.118224	429.956
5	diffuser1-to-diffuser2	0.118213	429.876
5	diffuser2-from-diffuser1	0.118196	429.875
5	diffuser2-to-volute	0.118156	429.849
5	volute-from-diffuser2	0.118382	429.827
5	volute-out	0.118233	430.597
6	impeller-in	0.108749	313.469
6	impeller-to-diffuser1	0.108852	435.413
6	diffuser1-from-impeller	0.108849	435.337
6	diffuser1-to-diffuser2	0.108853	435.309
6	diffuser2-from-diffuser1	0.108831	435.308
6	diffuser2-to-volute	0.108815	434.946
6	volute-from-diffuser2	0.109043	434.915
6	volute-out	0.108843	434.470

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

​

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Velocity Magnitude [ m/s ]
1	impeller-in	0.179605	147.938
1	impeller-to-diffuser1	0.179606	267.485
1	diffuser1-from-impeller	0.179605	257.310
1	diffuser1-to-diffuser2	0.179605	246.534
1	diffuser2-from-diffuser1	0.179625	246.565
1	diffuser2-to-volute	0.179625	153.364
1	volute-from-diffuser2	0.179855	153.506
1	volute-out	0.179856	135.266
2	impeller-in	0.161342	137.768
2	impeller-to-diffuser1	0.161283	264.945
2	diffuser1-from-impeller	0.161284	256.206
2	diffuser1-to-diffuser2	0.161269	240.388
2	diffuser2-from-diffuser1	0.161278	240.412
2	diffuser2-to-volute	0.161225	160.386
2	volute-from-diffuser2	0.161452	159.685
2	volute-out	0.161273	103.171
3	impeller-in	0.142570	127.387
3	impeller-to-diffuser1	0.142532	268.406
3	diffuser1-from-impeller	0.142533	261.223
3	diffuser1-to-diffuser2	0.142523	241.681
3	diffuser2-from-diffuser1	0.142519	241.699
3	diffuser2-to-volute	0.142483	167.993
3	volute-from-diffuser2	0.142711	167.277
3	volute-out	0.142575	85.3143
4	impeller-in	0.129322	119.982
4	impeller-to-diffuser1	0.129279	273.234
4	diffuser1-from-impeller	0.129280	266.804
4	diffuser1-to-diffuser2	0.129269	245.013
4	diffuser2-from-diffuser1	0.129258	245.028
4	diffuser2-to-volute	0.129217	173.877
4	volute-from-diffuser2	0.129445	173.358
4	volute-out	0.129298	75.7604
5	impeller-in	0.118249	113.548
5	impeller-to-diffuser1	0.118223	278.385
5	diffuser1-from-impeller	0.118224	272.453
5	diffuser1-to-diffuser2	0.118213	248.818
5	diffuser2-from-diffuser1	0.118196	248.829
5	diffuser2-to-volute	0.118156	178.290
5	volute-from-diffuser2	0.118382	178.079
5	volute-out	0.118233	68.8420
6	impeller-in	0.108749	108.890
6	impeller-to-diffuser1	0.108852	283.646
6	diffuser1-from-impeller	0.108849	278.083
6	diffuser1-to-diffuser2	0.108853	252.971
6	diffuser2-from-diffuser1	0.108831	252.979
6	diffuser2-to-volute	0.108815	180.780
6	volute-from-diffuser2	0.109043	180.540
6	volute-out	0.108843	63.4766

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

​

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	impeller-in	0.179605	145.719*	0.178632*
1	impeller-to-diffuser1	0.179606	145.630*	81.3561*
1	diffuser1-from-impeller	0.179605	42.2280	81.3886
1	diffuser1-to-diffuser2	0.179605	45.7495	86.8853
1	diffuser2-from-diffuser1	0.179625	45.7474	86.8811
1	diffuser2-to-volute	0.179625	32.7127	87.6545
1	volute-from-diffuser2	0.179855	33.0767	88.3695
1	volute-out	0.179856	47.9462	75.3734
2	impeller-in	0.161342	145.370*	1.33093*
2	impeller-to-diffuser1	0.161283	148.109*	81.2448*
2	diffuser1-from-impeller	0.161284	33.4545	81.2797
2	diffuser1-to-diffuser2	0.161269	36.6390	86.8555
2	diffuser2-from-diffuser1	0.161278	36.6362	86.8524
2	diffuser2-to-volute	0.161225	24.9832	88.6847
2	volute-from-diffuser2	0.161452	24.7485	88.9937
2	volute-out	0.161273	51.6550	83.0904
3	impeller-in	0.142570	142.261*	4.02778*
3	impeller-to-diffuser1	0.142532	150.217*	81.3645*
3	diffuser1-from-impeller	0.142533	26.8778	81.3725
3	diffuser1-to-diffuser2	0.142523	29.6429	86.8121
3	diffuser2-from-diffuser1	0.142519	29.6397	86.8104
3	diffuser2-to-volute	0.142483	20.4232	89.5613
3	volute-from-diffuser2	0.142711	20.1402	89.8742
3	volute-out	0.142575	50.7761	86.0511
4	impeller-in	0.129322	138.271*	6.95029*
4	impeller-to-diffuser1	0.129279	151.487*	81.5821*
4	diffuser1-from-impeller	0.129280	23.0625	81.5541
4	diffuser1-to-diffuser2	0.129269	25.5289	86.7122
4	diffuser2-from-diffuser1	0.129258	25.5255	86.7120
4	diffuser2-to-volute	0.129217	18.7471	88.3811
4	volute-from-diffuser2	0.129445	18.5773	89.1113
4	volute-out	0.129298	50.1529	86.4776
5	impeller-in	0.118249	134.138*	9.85533*
5	impeller-to-diffuser1	0.118223	152.436*	81.8560*
5	diffuser1-from-impeller	0.118224	20.2351	81.7788
5	diffuser1-to-diffuser2	0.118213	22.4713	86.5350
5	diffuser2-from-diffuser1	0.118196	22.4680	86.5359
5	diffuser2-to-volute	0.118156	17.9801	85.0962
5	volute-from-diffuser2	0.118382	17.9491	86.4740
5	volute-out	0.118233	50.0786	86.8704
6	impeller-in	0.108749	125.999*	14.3740*
6	impeller-to-diffuser1	0.108852	153.112*	82.1309*
6	diffuser1-from-impeller	0.108849	18.0422	82.0172
6	diffuser1-to-diffuser2	0.108853	20.0943	86.2101
6	diffuser2-from-diffuser1	0.108831	20.0912	86.2118
6	diffuser2-to-volute	0.108815	17.7989	80.6157
6	volute-from-diffuser2	0.109043	17.7220	81.6869
6	volute-out	0.108843	50.2199	87.3689

(*) Calculated from the relative velocity.

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

impeller-in

impeller-to-diffuser1

diffuser1-from-impeller

diffuser1-to-diffuser2

​

diffuser2-from-diffuser1

diffuser2-to-volute

volute-from-diffuser2

volute-out

Blade to Blade View

Setup #1

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.1

Setup #2

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.5

Setup #3

Meshes:	1
Hub patches:	1:rotor-hub
Shroud patches:	1:rotor-shroud
Field:	URel,LIC
Span:	0.9

Meridional Average

Setup #1

Meshes:	1
Field:	p