tcfdcase0 CFD Simulation Resuls

Simulation Stats

Test Case Name

tcfdcase0

Number of Points [ – ]

7

Machine Type

pump

Rotation Speed [ RPM ]

-1770.00

Number of Components [ – ]

(topology)

3

Mesh Size [ cells ]

(details)

pipe : 65845

impeller : 514148

volute : 69443

Total : 649436

Average y+ at walls [ – ]
(details)

925.363

y+ details:

Point	Patch	Min	Max	Avg
1	pipe_inletPipe-wall_wall	34.0348	341.541	201.839
1	impeller_impeller-shroud_wall	4.95318 × 10^-7	270.055	24.9826
1	impeller_impeller-blades_wall	2.76399 × 10^-7	156.479	2.49772
1	impeller_impeller-hub_wall	3.89639 × 10^-7	48.8656	0.600773
1	volute_volute-RSIConnection_wall	4.68824 × 10^-6	2704.28	264.705
1	volute_volute-wall_wall	3.30729 × 10^-6	4286.14	138.249
2	pipe_inletPipe-wall_wall	32.0870	399.528	194.918
2	impeller_impeller-shroud_wall	10.0325	453.975	122.303
2	impeller_impeller-blades_wall	7.37874 × 10^-7	329.927	43.5829
2	impeller_impeller-hub_wall	1.93171	366.743	97.7090
2	volute_volute-RSIConnection_wall	70.0834	2778.94	538.632
2	volute_volute-wall_wall	20.3019	4242.18	369.246
3	pipe_inletPipe-wall_wall	30.1276	377.980	185.230
3	impeller_impeller-shroud_wall	10.9818	581.362	129.994
3	impeller_impeller-blades_wall	3.37953	365.452	54.2766
3	impeller_impeller-hub_wall	10.2316	431.400	152.713
3	volute_volute-RSIConnection_wall	121.667	2857.88	643.043
3	volute_volute-wall_wall	59.7029	4236.59	423.024
4	pipe_inletPipe-wall_wall	28.1562	359.586	174.990
4	impeller_impeller-shroud_wall	10.9541	604.149	128.781
4	impeller_impeller-blades_wall	2.93588	378.055	55.2524
4	impeller_impeller-hub_wall	9.93268	521.268	162.866
4	volute_volute-RSIConnection_wall	153.613	2956.38	723.527
4	volute_volute-wall_wall	100.359	4149.47	469.419
5	pipe_inletPipe-wall_wall	26.1730	340.530	164.781
5	impeller_impeller-shroud_wall	10.8165	595.721	125.472
5	impeller_impeller-blades_wall	2.51152	370.746	53.5257
5	impeller_impeller-hub_wall	9.67516	527.586	158.036
5	volute_volute-RSIConnection_wall	175.787	3031.79	792.418
5	volute_volute-wall_wall	112.794	3973.20	513.939
6	pipe_inletPipe-wall_wall	24.1786	317.774	155.811
6	impeller_impeller-shroud_wall	10.7439	951.985	125.731
6	impeller_impeller-blades_wall	2.66024	404.843	52.9667
6	impeller_impeller-hub_wall	9.02048	521.641	156.241
6	volute_volute-RSIConnection_wall	181.324	3044.59	839.814
6	volute_volute-wall_wall	114.421	3949.59	529.314
7	pipe_inletPipe-wall_wall	22.1744	294.456	145.722
7	impeller_impeller-shroud_wall	10.6494	778.857	126.026
7	impeller_impeller-blades_wall	3.40895	436.576	53.4091
7	impeller_impeller-hub_wall	8.92060	513.063	157.054
7	volute_volute-RSIConnection_wall	184.046	3064.32	925.363
7	volute_volute-wall_wall	119.404	4287.07	555.858

Wall-clock time [ hh:mm:ss ]

00:38:06

Parallel Processors [ – ]

6

Fluid Name

water

Compressibility

incompressible

Head

1:inletPipe-inlet — 3:volute-outlet

Point Nr.	Flow Rate [ m³/s ]	Head [ m ]
1	0.186000	26.2727
2	0.176000	27.6047
3	0.166000	28.9587
4	0.156000	30.2512
5	0.146000	31.4314
6	0.136000	32.4256
7	0.126000	33.3651

Efficiency

1:inletPipe-inlet — 3:volute-outlet

Point Nr.	Flow Rate [ m³/s ]	Efficiency [ – ]
1	0.186000	0.887833
2	0.176000	0.886539
3	0.166000	0.886480
4	0.156000	0.886342
5	0.146000	0.883206
6	0.136000	0.873660
7	0.126000	0.863719

Torque

Point Nr.	Torque [ N.m ]
1	290.914
2	289.654
3	286.616
4	281.416
5	274.624
6	266.791
7	257.264

Axial Force

Point Nr.	Torque [ N ]
1	5750.16
2	6235.87
3	6691.82
4	7118.88
5	7504.70
6	7833.88
7	8145.58

Total Pressure Difference

1:inletPipe-inlet — 3:volute-outlet

Point Nr.	Flow Rate [ m³/s ]	Total Pressure Difference [ Pa ]
1	0.186000	257271.
2	0.176000	270315.
3	0.166000	283574.
4	0.156000	296230.
5	0.146000	307787.
6	0.136000	317523.
7	0.126000	326723.

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Total Pressure [ Pa ]
1	pipe-in	0.186000	175530.
1	pipe-to-impeller	0.186000	175137.
1	impeller-from-pipe	0.186167	175135.
1	impeller-to-volute	0.186167	451027.
1	volute-from-impeller	0.186167	448610.
1	volute-out	0.186167	432801.
2	pipe-in	0.176000	156854.
2	pipe-to-impeller	0.176000	156480.
2	impeller-from-pipe	0.176160	156478.
2	impeller-to-volute	0.176160	445538.
2	volute-from-impeller	0.176160	443319.
2	volute-out	0.176160	427169.
3	pipe-in	0.166000	139894.
3	pipe-to-impeller	0.166000	139557.
3	impeller-from-pipe	0.166151	139556.
3	impeller-to-volute	0.166151	442570.
3	volute-from-impeller	0.166151	440416.
3	volute-out	0.166151	423468.
4	pipe-in	0.156000	123876.
4	pipe-to-impeller	0.156000	123577.
4	impeller-from-pipe	0.156143	123576.
4	impeller-to-volute	0.156143	440213.
4	volute-from-impeller	0.156143	438189.
4	volute-out	0.156143	420105.
5	pipe-in	0.146000	109475.
5	pipe-to-impeller	0.146000	109211.
5	impeller-from-pipe	0.146135	109211.
5	impeller-to-volute	0.146135	439321.
5	volute-from-impeller	0.146134	437437.
5	volute-out	0.146134	417262.
6	pipe-in	0.136000	97475.5
6	pipe-to-impeller	0.136000	97267.2
6	impeller-from-pipe	0.136127	97266.9
6	impeller-to-volute	0.136127	440243.
6	volute-from-impeller	0.136126	438424.
6	volute-out	0.136126	414998.
7	pipe-in	0.126000	86127.9
7	pipe-to-impeller	0.126000	85945.8
7	impeller-from-pipe	0.126118	85945.8
7	impeller-to-volute	0.126118	441900.
7	volute-from-impeller	0.126118	440200.
7	volute-out	0.126118	412851.

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Velocity Magnitude [ m/s ]
1	pipe-in	0.186000	6.71332
1	pipe-to-impeller	0.186000	6.80191
1	impeller-from-pipe	0.186167	6.80232
1	impeller-to-volute	0.186167	11.8995
1	volute-from-impeller	0.186167	11.7184
1	volute-out	0.186167	7.88506
2	pipe-in	0.176000	6.35239
2	pipe-to-impeller	0.176000	6.44277
2	impeller-from-pipe	0.176160	6.44327
2	impeller-to-volute	0.176160	12.2560
2	volute-from-impeller	0.176160	12.0891
2	volute-out	0.176160	7.24697
3	pipe-in	0.166000	5.99146
3	pipe-to-impeller	0.166000	6.08612
3	impeller-from-pipe	0.166151	6.08666
3	impeller-to-volute	0.166151	12.6339
3	volute-from-impeller	0.166151	12.4795
3	volute-out	0.166151	6.77062
4	pipe-in	0.156000	5.63052
4	pipe-to-impeller	0.156000	5.73135
4	impeller-from-pipe	0.156143	5.73196
4	impeller-to-volute	0.156143	13.0118
4	volute-from-impeller	0.156143	12.8688
4	volute-out	0.156143	6.29681
5	pipe-in	0.146000	5.26959
5	pipe-to-impeller	0.146000	5.37894
5	impeller-from-pipe	0.146135	5.37962
5	impeller-to-volute	0.146135	13.3971
5	volute-from-impeller	0.146134	13.2655
5	volute-out	0.146134	5.85039
6	pipe-in	0.136000	4.90866
6	pipe-to-impeller	0.136000	5.03016
6	impeller-from-pipe	0.136127	5.03095
6	impeller-to-volute	0.136127	13.7386
6	volute-from-impeller	0.136126	13.6182
6	volute-out	0.136126	5.45087
7	pipe-in	0.126000	4.54773
7	pipe-to-impeller	0.126000	4.68385
7	impeller-from-pipe	0.126118	4.68476
7	impeller-to-volute	0.126118	14.1467
7	volute-from-impeller	0.126118	14.0357
7	volute-out	0.126118	5.04734

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	pipe-in	0.186000	90.0000	0
1	pipe-to-impeller	0.186000	90.0321	4.30552
1	impeller-from-pipe	0.186167	147.973*	4.30329*
1	impeller-to-volute	0.186167	162.593*	74.2059*
1	volute-from-impeller	0.186167	154.686	74.1274
1	volute-out	0.186167	128.796	89.8891
2	pipe-in	0.176000	90.0000	0
2	pipe-to-impeller	0.176000	90.0419	4.35762
2	impeller-from-pipe	0.176160	149.292*	4.35528*
2	impeller-to-volute	0.176160	162.904*	74.5836*
2	volute-from-impeller	0.176160	156.891	74.5020
2	volute-out	0.176160	128.617	89.6674
3	pipe-in	0.166000	90.0000	0
3	pipe-to-impeller	0.166000	90.0528	4.44301
3	impeller-from-pipe	0.166151	150.655*	4.44064*
3	impeller-to-volute	0.166151	163.235*	74.4570*
3	volute-from-impeller	0.166151	158.979	74.3830
3	volute-out	0.166151	128.361	89.7894
4	pipe-in	0.156000	90.0000	0
4	pipe-to-impeller	0.156000	90.0686	4.52570
4	impeller-from-pipe	0.156143	152.056*	4.52329*
4	impeller-to-volute	0.156143	163.601*	74.7096*
4	volute-from-impeller	0.156143	160.895	74.6121
4	volute-out	0.156143	128.314	89.8587
5	pipe-in	0.146000	90.0000	0
5	pipe-to-impeller	0.146000	90.0915	4.60951
5	impeller-from-pipe	0.146135	153.494*	4.60708*
5	impeller-to-volute	0.146135	163.998*	75.2855*
5	volute-from-impeller	0.146134	162.678	75.1543
5	volute-out	0.146134	128.388	89.8718
6	pipe-in	0.136000	90.0000	0
6	pipe-to-impeller	0.136000	90.1239	4.70099
6	impeller-from-pipe	0.136127	154.985*	4.69853*
6	impeller-to-volute	0.136127	164.467*	75.7881*
6	volute-from-impeller	0.136126	164.291	75.6653
6	volute-out	0.136126	128.279	89.9145
7	pipe-in	0.126000	90.0000	0
7	pipe-to-impeller	0.126000	90.1725	4.76922
7	impeller-from-pipe	0.126118	156.489*	4.76678*
7	impeller-to-volute	0.126118	164.919*	76.3897*
7	volute-from-impeller	0.126118	165.871	76.2161
7	volute-out	0.126118	128.211	89.9119

(*) Calculated from the relative velocity.

Cavitation Risk

Point Nr.	Flow Rate [ m³/s ]	Cavitating Volume [ m³ ]	Cavitating Volume [ % ]
1	0.186000	1.15898 × 10^-10	3.91953 × 10^-7
2	0.176000	0	0
3	0.166000	0	0
4	0.156000	5.54853 × 10^-9	1.87645 × 10^-5
5	0.146000	2.46263 × 10^-7	8.32832 × 10^-4
6	0.136000	1.06434 × 10^-6	0.00359946
7	0.126000	2.37543 × 10^-6	0.00803341

Cavitation Index

Point Nr.	Flow Rate [ m³/s ]	Cavitating Volume [ – ]
1	0.186000	3.39330
2	0.176000	3.39775
3	0.166000	3.39736
4	0.156000	3.40917
5	0.146000	3.45042
6	0.136000	3.54316
7	0.126000	3.66873

Net Positive Suction Head

Point Nr.	Flow Rate [ m³/s ]	NPSH [ m ]
1	0.186000	17.8864
2	0.176000	16.0331
3	0.166000	14.2615
4	0.156000	12.6332
5	0.146000	11.1822
6	0.136000	9.93068
7	0.126000	8.78870