EveningTest

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

eveningTest

Created by TCFD^® 18.10 on Mon Oct 22 19:29:50 2018

DISCOVER

Simulation Stats

Test Case Name	eveningTest
Number of Points [ – ]	5
Machine Type	compressor
Rotation Speed [ RPM ]	16043.0
Number of Components [ – ] ( topology )	1
Mesh Size [ cells ] ( details )	impeller : 456842 Total : 456842
Mesh details [ mm ]: Component Property Min Max Avg 1 cellOpenness N/A 4.14008 × 10-16 N/A 1 cellVolume 0.0134479 11.5596 N/A 1 faceArea 0.00750290 5.53411 N/A 1 aspectRatio N/A 11.4279 N/A 1 nonOrthogonality N/A 62.2595 14.2453 1 skewness N/A 3.35528 N/A 1 edgeLength 0 2.72661 N/A 1 concaveAngle N/A 77.1859 N/A 1 faceFlatness 0.746425 N/A 0.996667 1 cellDeterminant 0.0273402 N/A 23.2775 1 faceInterpolationWeight 0.0785711 N/A 0.440614 1 faceVolumeRatio 0.0111552 0.688314 N/A 1 Warnings: 299 faces with low quality or negative volume decomposition tets 4 points on short edges 4298 faces with concave angles 8 warped faces 35331 concave cells
Average y+ at walls [ – ] ( details )	134.112
y+ details: Point Patch Min Max Avg 1 impeller_Rotor_Main_Blade_wall 6.18817 372.661 55.8320 1 impeller_Rotor_SHROUD_wall 14.3127 509.688 123.016 1 impeller_Rotor_HUB_wall 13.3172 358.615 134.112 2 impeller_Rotor_Main_Blade_wall 5.92864 249.701 51.6750 2 impeller_Rotor_SHROUD_wall 12.6825 343.928 122.506 2 impeller_Rotor_HUB_wall 12.8891 330.177 125.915 3 impeller_Rotor_Main_Blade_wall 6.23748 222.692 48.5313 3 impeller_Rotor_SHROUD_wall 12.3835 355.012 123.964 3 impeller_Rotor_HUB_wall 12.0473 321.278 120.716 4 impeller_Rotor_Main_Blade_wall 6.03794 217.550 46.3764 4 impeller_Rotor_SHROUD_wall 11.3768 335.095 120.824 4 impeller_Rotor_HUB_wall 10.2952 316.596 116.898 5 impeller_Rotor_Main_Blade_wall 5.87019 210.102 44.6571 5 impeller_Rotor_SHROUD_wall 12.2470 347.537 115.279 5 impeller_Rotor_HUB_wall 9.51340 312.472 113.626
Wall-clock time [ hh:mm:ss ]	19:20:54
Parallel Processors [ – ]	6
Fluid Name	air
Compressibility	compressible

Efficiency

1:Rotor_INFLOW — 1:Rotor_OUTFLOW

Point Nr.	Flow Rate [ kg/s ]	Efficiency [ – ]
1	34.3010	0.878962
2	34.0659	0.900173
3	33.5922	0.911807
4	32.8779	0.914487
5	31.7667	0.899738

Torque

Point Nr.	Torque [ N.m ]
1	825.188
2	915.660
3	963.755
4	973.963
5	959.788

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 — 1:Rotor_OUTFLOW

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Difference [ Pa ]
1	34.3010	49998.3
2	34.0659	58425.0
3	33.5922	64050.6
4	32.8779	66778.7
5	31.7667	67093.9

Total Pressure Ratio

1:Rotor_INFLOW — 1:Rotor_OUTFLOW

Point Nr.	Flow Rate [ kg/s ]	Total Pressure Ratio [ – ]
1	34.3010	1.49383
2	34.0659	1.57705
3	33.5922	1.63258
4	32.8779	1.65948
5	31.7667	1.66252

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Pressure [ Pa ]
1	impeller-in	34.3010	101245.
1	impeller-out	34.2913	151244.
2	impeller-in	34.0659	101248.
2	impeller-out	34.0595	159673.
3	impeller-in	33.5922	101253.
3	impeller-out	33.5870	165303.
4	impeller-in	32.8779	101260.
4	impeller-out	32.8725	168039.
5	impeller-in	31.7667	101271.
5	impeller-out	31.7589	168364.

Impeller-in

Impeller-out

Impeller-in

Impeller-out

Total Temperature Difference

1:Rotor_INFLOW — 1:Rotor_OUTFLOW

Point Nr.	Flow Rate [ kg/s ]	Total Temperature Difference [ K ]
1	34.3010	40.2641
2	34.0659	44.9751
3	33.5922	48.0052
4	32.8779	49.5604
5	31.7667	50.5397

Total Temperature per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Total Temperature [ K ]
1	impeller-in	34.3010	290.372
1	impeller-out	34.2913	330.636
2	impeller-in	34.0659	290.335
2	impeller-out	34.0595	335.310
3	impeller-in	33.5922	290.263
3	impeller-out	33.5870	338.268
4	impeller-in	32.8779	290.155
4	impeller-out	32.8725	339.716
5	impeller-in	31.7667	289.989
5	impeller-out	31.7589	340.529

Impeller-in

Impeller-out

Impeller-in

Impeller-out

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Velocity Magnitude [ m/s ]
1	impeller-in	34.3010	181.883
1	impeller-out	34.2913	246.660
2	impeller-in	34.0659	180.310
2	impeller-out	34.0595	244.572
3	impeller-in	33.5922	177.180
3	impeller-out	33.5870	245.094
4	impeller-in	32.8779	172.443
4	impeller-out	32.8725	244.708
5	impeller-in	31.7667	165.005
5	impeller-out	31.7589	242.558

Impeller-in

Impeller-out

Impeller-in

Impeller-out

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ kg/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	impeller-in	34.3010	149.231*	-0.00107347*
1	impeller-out	34.2913	128.019*	6.27710*
2	impeller-in	34.0659	149.508*	-0.00112533*
2	impeller-out	34.0595	129.305*	9.40664*
3	impeller-in	33.5922	150.055*	-0.00121841*
3	impeller-out	33.5870	129.954*	9.85816*
4	impeller-in	32.8779	150.848*	-0.00132328*
4	impeller-out	32.8725	130.310*	9.83050*
5	impeller-in	31.7667	152.023*	-0.00142003*
5	impeller-out	31.7589	130.664*	10.2045*

(*) Calculated from the relative velocity.

Impeller-in

Impeller-out

Impeller-in

Impeller-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

Setup #3
Meshes:	1
Hub patches:	1:Rotor_HUB
Shroud patches:	1:Rotor_SHROUD
Field:	URel,LIC
Span:	0.9

Meridional Average

Setup #1

Setup #1
Meshes:	1
Field:	p