Centrifugal-Pump-with-Leakage CFD Simulation Resuls

Simulation Stats

Test Case Name

Centrifugal-Pump-with-Leakage

Number of Points [ – ]

7

Machine Type

pump

Rotation Speed [ RPM ]

-1770.00

Number of Components [ – ]

(topology)

4

Mesh Size [ cells ]

(details)

inletTube : 25491

impeller : 373789

volute : 797072

voluteExtension : 30714

Total : 1227066

Mesh details [ mm ]:

Component	Property	Min	Max	Avg
1	cellOpenness	N/A	2.62634 × 10^-16	N/A
1	cellVolume	1.86859	1400.43	N/A
1	faceArea	1.74588	135.512	N/A
1	aspectRatio	N/A	5.29071	N/A
1	nonOrthogonality	N/A	47.8362	10.9359
1	skewness	N/A	0.610420	N/A
1	edgeLength	N/A	N/A	N/A
1	concaveAngle	N/A	20.2070	N/A
1	faceFlatness	0.888711	N/A	0.999722
1	cellDeterminant	0.188312	N/A	14.4437
1	faceInterpolationWeight	0.104493	N/A	0.460707
1	faceVolumeRatio	0.0233656	0.804240	N/A
1	Warnings:	67 faces with concave angles 668 concave cells
2	cellOpenness	N/A	3.14866 × 10^-16	N/A
2	cellVolume	0.00876940	141.912	N/A
2	faceArea	3.93958 × 10^-4	28.5441	N/A
2	aspectRatio	N/A	7.58617	N/A
2	nonOrthogonality	N/A	64.9956	16.3880
2	skewness	N/A	5.97174	N/A
2	edgeLength	0	5.36195	N/A
2	concaveAngle	N/A	79.9257	N/A
2	faceFlatness	0.582371	N/A	0.994455
2	cellDeterminant	6.35338 × 10^-4	N/A	25.8754
2	faceInterpolationWeight	0.0767237	N/A	0.422551
2	faceVolumeRatio	0.0106976	0.607265	N/A
2	Warnings:	7 skew faces 2210 faces with low quality or negative volume decomposition tets 6 points on short edges 9986 faces with concave angles 40 warped faces 1 under-determined cells 35662 concave cells
3	cellOpenness	N/A	3.28998 × 10^-16	N/A
3	cellVolume	0.00294725	145.242	N/A
3	faceArea	0.00221525	30.6156	N/A
3	aspectRatio	N/A	34.6337	N/A
3	nonOrthogonality	N/A	64.6076	11.5981
3	skewness	N/A	5.34717	N/A
3	edgeLength	N/A	N/A	N/A
3	concaveAngle	N/A	79.9995	N/A
3	faceFlatness	0.192390	N/A	0.996350
3	cellDeterminant	8.91170 × 10^-4	N/A	11.9556
3	faceInterpolationWeight	0.0410050	N/A	0.454284
3	faceVolumeRatio	0.0110466	0.766265	N/A
3	Warnings:	24 skew faces 964 faces with low quality or negative volume decomposition tets 6046 faces with concave angles 290 warped faces 1 under-determined cells 27002 concave cells 39 faces with low interpolation weights
4	cellOpenness	N/A	2.61428 × 10^-16	N/A
4	cellVolume	14.9865	1224.51	N/A
4	faceArea	6.61783	121.805	N/A
4	aspectRatio	N/A	4.89962	N/A
4	nonOrthogonality	N/A	47.3192	10.8178
4	skewness	N/A	0.951820	N/A
4	edgeLength	N/A	N/A	N/A
4	concaveAngle	N/A	19.0181	N/A
4	faceFlatness	0.894110	N/A	0.999492
4	cellDeterminant	0.215746	N/A	15.0135
4	faceInterpolationWeight	0.156779	N/A	0.459359
4	faceVolumeRatio	0.0311794	0.790811	N/A
4	Warnings:	2 faces with low quality or negative volume decomposition tets 66 faces with concave angles 1660 concave cells

Simulation score [ – ]

details

Average y+ at walls [ – ]

details

y+ details:

Point	Patch	Min	Max	Avg
1	inletTube_inletTube-wall_wall	44.4583	1940.98	431.779
1	impeller_impeller-blades_wall	10.7860	707.439	144.910
1	impeller_impeller-bladeFillets_wall	10.2967	1251.56	81.7467
1	impeller_impeller-innerShroud_wall	11.6128	1261.95	224.161
1	impeller_impeller-innerHub_wall	13.1304	830.853	223.137
1	volute_impeller-outerShroud_wall	13.5788	1195.29	154.409
1	volute_impeller-hubWall_wall	62.6786	1873.34	343.429
1	volute_impeller-outerHub_wall	15.5857	2192.90	265.167
1	volute_impeller-shroudWall_wall	39.9737	2819.66	182.886
1	volute_volute-spiral_wall	23.5335	990.728	303.231
1	volute_volute-shroudWithLeakage_wall	12.7039	2539.28	167.582
1	voluteExtension_voluteExtension-wall_wall	116.377	1301.05	596.427
2	inletTube_inletTube-wall_wall	92.4454	1249.81	422.029
2	impeller_impeller-blades_wall	11.2966	771.167	142.535
2	impeller_impeller-bladeFillets_wall	7.98824	1272.30	77.8838
2	impeller_impeller-innerShroud_wall	10.7962	1251.11	220.160
2	impeller_impeller-innerHub_wall	12.4367	877.785	221.668
2	volute_impeller-outerShroud_wall	13.9146	1128.32	153.333
2	volute_impeller-hubWall_wall	61.2450	1610.39	337.396
2	volute_impeller-outerHub_wall	16.5706	1730.48	255.728
2	volute_impeller-shroudWall_wall	40.2622	2541.53	179.763
2	volute_volute-spiral_wall	36.0549	1126.71	292.774
2	volute_volute-shroudWithLeakage_wall	13.4000	2463.45	171.037
2	voluteExtension_voluteExtension-wall_wall	101.365	1155.22	517.599
3	inletTube_inletTube-wall_wall	88.4769	1595.56	410.247
3	impeller_impeller-blades_wall	10.1814	843.079	140.469
3	impeller_impeller-bladeFillets_wall	6.89604	1215.78	75.3868
3	impeller_impeller-innerShroud_wall	10.9874	1277.86	216.991
3	impeller_impeller-innerHub_wall	11.8301	908.673	220.637
3	volute_impeller-outerShroud_wall	14.0344	1004.51	153.592
3	volute_impeller-hubWall_wall	62.4014	1656.22	335.461
3	volute_impeller-outerHub_wall	17.1395	1829.29	250.144
3	volute_impeller-shroudWall_wall	39.8911	2271.19	177.274
3	volute_volute-spiral_wall	33.5166	1053.35	285.725
3	volute_volute-shroudWithLeakage_wall	14.3594	2438.69	175.248
3	voluteExtension_voluteExtension-wall_wall	59.6242	1114.17	497.076
4	inletTube_inletTube-wall_wall	83.4064	2361.38	411.855
4	impeller_impeller-blades_wall	9.43764	929.832	142.888
4	impeller_impeller-bladeFillets_wall	9.63339	1159.96	73.6765
4	impeller_impeller-innerShroud_wall	9.22501	1367.65	214.285
4	impeller_impeller-innerHub_wall	13.9607	851.288	224.045
4	volute_impeller-outerShroud_wall	13.4689	937.411	152.236
4	volute_impeller-hubWall_wall	63.7982	1693.70	332.346
4	volute_impeller-outerHub_wall	17.6372	1989.01	251.634
4	volute_impeller-shroudWall_wall	39.0545	2151.55	177.003
4	volute_volute-spiral_wall	33.0938	1128.79	280.488
4	volute_volute-shroudWithLeakage_wall	15.0675	2729.52	178.009
4	voluteExtension_voluteExtension-wall_wall	99.5980	847.734	429.794
5	inletTube_inletTube-wall_wall	78.3252	2364.58	424.304
5	impeller_impeller-blades_wall	8.35581	869.005	143.538
5	impeller_impeller-bladeFillets_wall	9.58673	1174.29	70.8549
5	impeller_impeller-innerShroud_wall	10.4433	1268.52	207.381
5	impeller_impeller-innerHub_wall	14.2660	877.289	224.067
5	volute_impeller-outerShroud_wall	13.6603	901.505	150.755
5	volute_impeller-hubWall_wall	65.8724	1458.41	327.982
5	volute_impeller-outerHub_wall	18.1367	1787.72	251.372
5	volute_impeller-shroudWall_wall	39.6047	2061.45	175.705
5	volute_volute-spiral_wall	27.9112	981.832	275.444
5	volute_volute-shroudWithLeakage_wall	15.2380	2754.04	178.921
5	voluteExtension_voluteExtension-wall_wall	91.9471	967.663	417.224
6	inletTube_inletTube-wall_wall	73.2333	1989.70	417.616
6	impeller_impeller-blades_wall	8.85419	864.480	139.768
6	impeller_impeller-bladeFillets_wall	8.04348	1221.51	67.3757
6	impeller_impeller-innerShroud_wall	9.72881	1165.64	199.193
6	impeller_impeller-innerHub_wall	11.9131	921.687	219.357
6	volute_impeller-outerShroud_wall	13.5648	876.033	149.323
6	volute_impeller-hubWall_wall	62.7313	1335.20	324.343
6	volute_impeller-outerHub_wall	18.2752	1793.59	254.849
6	volute_impeller-shroudWall_wall	38.1337	1985.94	174.662
6	volute_volute-spiral_wall	36.0999	1056.62	267.750
6	volute_volute-shroudWithLeakage_wall	14.8546	2746.09	180.846
6	voluteExtension_voluteExtension-wall_wall	84.8881	1050.84	413.109
7	inletTube_inletTube-wall_wall	68.1283	1820.27	449.615
7	impeller_impeller-blades_wall	10.0053	779.629	139.276
7	impeller_impeller-bladeFillets_wall	5.66294	1221.22	63.1714
7	impeller_impeller-innerShroud_wall	10.8314	1332.47	189.880
7	impeller_impeller-innerHub_wall	9.94558	1090.00	219.060
7	volute_impeller-outerShroud_wall	13.9269	794.821	147.907
7	volute_impeller-hubWall_wall	58.6761	1475.69	326.168
7	volute_impeller-outerHub_wall	14.5910	1847.86	256.777
7	volute_impeller-shroudWall_wall	38.0400	974.641	174.198
7	volute_volute-spiral_wall	16.9867	976.082	282.282
7	volute_volute-shroudWithLeakage_wall	15.4491	2756.44	181.790
7	voluteExtension_voluteExtension-wall_wall	49.8944	1104.02	432.908

Wall-clock time [ hh:mm:ss ]

00:01:26 (meshing)

01:14:15 (calculation)

Parallel Processors [ – ]

24

Fluid Name

water

Physical Model

incompressible

Numerical order

second

Turbulence model

kOmegaSST

Head

1:inletTube-inlet — 4:voluteExtension-outlet

Point Nr.	Flow Rate [ m³/s ]	Head [ m ]
1	0.186000	23.2052
2	0.176000	24.8306
3	0.166000	26.4583
4	0.156000	27.4811
5	0.146000	28.3052
6	0.136000	29.2799
7	0.126000	30.2667

Efficiency

1:inletTube-inlet — 4:voluteExtension-outlet

Point Nr.	Flow Rate [ m³/s ]	Efficiency [ – ]
1	0.186000	0.813252
2	0.176000	0.820017
3	0.166000	0.825007
4	0.156000	0.822051
5	0.146000	0.816327
6	0.136000	0.808104
7	0.126000	0.790808

Torque

Point Nr.	Torque [ N.m ]
1	280.247
2	281.435
3	281.132
4	275.370
5	267.337
6	260.250
7	254.661

Axial Force

Point Nr.	Axial Force [ N ]
1	1076.66
2	236.774
3	-400.710
4	-538.708
5	-713.151
6	-1154.24
7	-1377.59

Radial Force

Point Nr.	Radial Force [ N ]
1	421.909
2	176.199
3	75.7808
4	104.980
5	70.9155
6	32.9799
7	108.198

Total Pressure Difference

1:inletTube-inlet — 4:voluteExtension-outlet

Point Nr.	Flow Rate [ m³/s ]	Total Pressure Difference [ Pa ]
1	0.186000	227234.
2	0.176000	243150.
3	0.166000	259088.
4	0.156000	269105.
5	0.146000	277174.
6	0.136000	286718.
7	0.126000	296382.

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Total Pressure [ Pa ]
1	inletTube-in	0.186000	202613.
1	inletTube-to-volute	0.186000	205358.
1	impeller-from-volute	0.197462	204341.
1	impeller-to-volute	0.197462	447925.
1	volute-from-inletTube	0.186013	205366.
1	volute-from-impeller	0.197341	447832.
1	volute-to-impeller	0.197472	204342.
1	volute-to-voluteExtension	0.185882	433293.
1	voluteExtension-from-volute	0.185814	433296.
1	voluteExtension-out	0.185814	429846.
2	inletTube-in	0.176000	184235.
2	inletTube-to-volute	0.176000	187988.
2	impeller-from-volute	0.187538	186996.
2	impeller-to-volute	0.187538	444486.
2	volute-from-inletTube	0.176018	188005.
2	volute-from-impeller	0.187422	444387.
2	volute-to-impeller	0.187550	186991.
2	volute-to-voluteExtension	0.175890	429112.
2	voluteExtension-from-volute	0.175851	429121.
2	voluteExtension-out	0.175851	427385.
3	inletTube-in	0.166000	164206.
3	inletTube-to-volute	0.166000	170187.
3	impeller-from-volute	0.177614	167799.
3	impeller-to-volute	0.177614	439470.
3	volute-from-inletTube	0.166025	170201.
3	volute-from-impeller	0.177502	439369.
3	volute-to-impeller	0.177638	167808.
3	volute-to-voluteExtension	0.165888	425198.
3	voluteExtension-from-volute	0.165857	425203.
3	voluteExtension-out	0.165857	423295.
4	inletTube-in	0.156000	151140.
4	inletTube-to-volute	0.156000	162362.
4	impeller-from-volute	0.167115	154940.
4	impeller-to-volute	0.167115	436059.
4	volute-from-inletTube	0.156031	162365.
4	volute-from-impeller	0.167001	435948.
4	volute-to-impeller	0.167182	154957.
4	volute-to-voluteExtension	0.155850	421129.
4	voluteExtension-from-volute	0.155835	421136.
4	voluteExtension-out	0.155835	420245.
5	inletTube-in	0.146000	140105.
5	inletTube-to-volute	0.146000	153196.
5	impeller-from-volute	0.156774	143285.
5	impeller-to-volute	0.156774	433985.
5	volute-from-inletTube	0.146036	153181.
5	volute-from-impeller	0.156666	433864.
5	volute-to-impeller	0.156806	143275.
5	volute-to-voluteExtension	0.145896	418197.
5	voluteExtension-from-volute	0.145879	418202.
5	voluteExtension-out	0.145878	417279.
6	inletTube-in	0.136000	128208.
6	inletTube-to-volute	0.136000	141742.
6	impeller-from-volute	0.146542	131780.
6	impeller-to-volute	0.146542	433378.
6	volute-from-inletTube	0.136038	141721.
6	volute-from-impeller	0.146438	433248.
6	volute-to-impeller	0.146552	131766.
6	volute-to-voluteExtension	0.135924	416002.
6	voluteExtension-from-volute	0.135916	416004.
6	voluteExtension-out	0.135916	414926.
7	inletTube-in	0.126000	116941.
7	inletTube-to-volute	0.126000	130772.
7	impeller-from-volute	0.136031	120348.
7	impeller-to-volute	0.136031	434603.
7	volute-from-inletTube	0.126035	130753.
7	volute-from-impeller	0.135924	434461.
7	volute-to-impeller	0.136042	120324.
7	volute-to-voluteExtension	0.125917	415078.
7	voluteExtension-from-volute	0.125892	415078.
7	voluteExtension-out	0.125892	413322.

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Velocity Magnitude [ m/s ]
1	inletTube-in	0.186000	5.79260
1	inletTube-to-volute	0.186000	7.24781
1	impeller-from-volute	0.197462	7.85438
1	impeller-to-volute	0.197462	12.2104
1	volute-from-inletTube	0.186013	7.24905
1	volute-from-impeller	0.197341	12.2105
1	volute-to-impeller	0.197472	7.85440
1	volute-to-voluteExtension	0.185882	8.07164
1	voluteExtension-from-volute	0.185814	8.07246
1	voluteExtension-out	0.185814	7.63306
2	inletTube-in	0.176000	5.48117
2	inletTube-to-volute	0.176000	7.07631
2	impeller-from-volute	0.187538	7.57393
2	impeller-to-volute	0.187538	12.6160
2	volute-from-inletTube	0.176018	7.07824
2	volute-from-impeller	0.187422	12.6169
2	volute-to-impeller	0.187550	7.57367
2	volute-to-voluteExtension	0.175890	7.53241
2	voluteExtension-from-volute	0.175851	7.53403
2	voluteExtension-out	0.175851	7.27614
3	inletTube-in	0.166000	5.16974
3	inletTube-to-volute	0.166000	7.06500
3	impeller-from-volute	0.177614	7.33922
3	impeller-to-volute	0.177614	13.0247
3	volute-from-inletTube	0.166025	7.06652
3	volute-from-impeller	0.177502	13.0255
3	volute-to-impeller	0.177638	7.34028
3	volute-to-voluteExtension	0.165888	7.07266
3	voluteExtension-from-volute	0.165857	7.07382
3	voluteExtension-out	0.165857	6.76529
4	inletTube-in	0.156000	4.85831
4	inletTube-to-volute	0.156000	7.51583
4	impeller-from-volute	0.167115	7.20334
4	impeller-to-volute	0.167115	13.3223
4	volute-from-inletTube	0.156031	7.51601
4	volute-from-impeller	0.167001	13.3219
4	volute-to-impeller	0.167182	7.20462
4	volute-to-voluteExtension	0.155850	6.41640
4	voluteExtension-from-volute	0.155835	6.41795
4	voluteExtension-out	0.155835	6.31399
5	inletTube-in	0.146000	4.54688
5	inletTube-to-volute	0.146000	7.71395
5	impeller-from-volute	0.156774	7.11225
5	impeller-to-volute	0.156774	13.6244
5	volute-from-inletTube	0.146036	7.71256
5	volute-from-impeller	0.156666	13.6236
5	volute-to-impeller	0.156806	7.11102
5	volute-to-voluteExtension	0.145896	5.93472
5	voluteExtension-from-volute	0.145879	5.93600
5	voluteExtension-out	0.145878	5.85758
6	inletTube-in	0.136000	4.23545
6	inletTube-to-volute	0.136000	7.74357
6	impeller-from-volute	0.146542	7.11286
6	impeller-to-volute	0.146542	13.9868
6	volute-from-inletTube	0.136038	7.74169
6	volute-from-impeller	0.146438	13.9857
6	volute-to-impeller	0.146552	7.11148
6	volute-to-voluteExtension	0.135924	5.58747
6	voluteExtension-from-volute	0.135916	5.58843
6	voluteExtension-out	0.135916	5.45585
7	inletTube-in	0.126000	3.92402
7	inletTube-to-volute	0.126000	7.96158
7	impeller-from-volute	0.136031	7.27675
7	impeller-to-volute	0.136031	14.3784
7	volute-from-inletTube	0.126035	7.95989
7	volute-from-impeller	0.135924	14.3771
7	volute-to-impeller	0.136042	7.27515
7	volute-to-voluteExtension	0.125917	5.36391
7	voluteExtension-from-volute	0.125892	5.36447
7	voluteExtension-out	0.125892	5.14065

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	inletTube-in	0.186000	90.0000	0
1	inletTube-to-volute	0.186000	87.8007	-10.7653
1	impeller-from-volute	0.197462	144.309*	-4.98411*
1	impeller-to-volute	0.197462	158.602*	80.0727*
1	volute-from-inletTube	0.186013	87.7879	-10.6439
1	volute-from-impeller	0.197341	146.945	80.1148
1	volute-to-impeller	0.197472	95.3878	-4.98215
1	volute-to-voluteExtension	0.185882	128.614	90.5014
1	voluteExtension-from-volute	0.185814	128.605	90.4966
1	voluteExtension-out	0.185814	106.139	89.7018
2	inletTube-in	0.176000	90.0000	0
2	inletTube-to-volute	0.176000	86.8295	-11.4676
2	impeller-from-volute	0.187538	145.091*	-4.93619*
2	impeller-to-volute	0.187538	158.087*	85.1777*
2	volute-from-inletTube	0.176018	86.8201	-11.2108
2	volute-from-impeller	0.187422	148.651	85.2597
2	volute-to-impeller	0.187550	95.8697	-4.93609
2	volute-to-voluteExtension	0.175890	128.096	90.3519
2	voluteExtension-from-volute	0.175851	128.093	90.3530
2	voluteExtension-out	0.175851	106.418	89.5914
3	inletTube-in	0.166000	90.0000	0
3	inletTube-to-volute	0.166000	85.2446	-12.7591
3	impeller-from-volute	0.177614	145.531*	-4.43517*
3	impeller-to-volute	0.177614	157.508*	86.2131*
3	volute-from-inletTube	0.166025	85.2538	-12.4928
3	volute-from-impeller	0.177502	150.456	86.3108
3	volute-to-impeller	0.177638	96.5262	-4.43572
3	volute-to-voluteExtension	0.165888	128.134	89.5922
3	voluteExtension-from-volute	0.165857	128.129	89.5928
3	voluteExtension-out	0.165857	106.354	89.7514
4	inletTube-in	0.156000	90.0000	0
4	inletTube-to-volute	0.156000	82.0260	-14.5134
4	impeller-from-volute	0.167115	145.137*	-2.35678*
4	impeller-to-volute	0.167115	156.145*	86.6653*
4	volute-from-inletTube	0.156031	82.0577	-14.0721
4	volute-from-impeller	0.167001	150.609	86.7423
4	volute-to-impeller	0.167182	97.2122	-2.35116
4	volute-to-voluteExtension	0.155850	127.615	89.6493
4	voluteExtension-from-volute	0.155835	127.611	89.6488
4	voluteExtension-out	0.155835	106.344	89.9374
5	inletTube-in	0.146000	90.0000	0
5	inletTube-to-volute	0.146000	80.7411	-12.6674
5	impeller-from-volute	0.156774	144.341*	-0.394485*
5	impeller-to-volute	0.156774	154.740*	86.5534*
5	volute-from-inletTube	0.146036	80.7907	-11.8824
5	volute-from-impeller	0.156666	150.606	86.6490
5	volute-to-impeller	0.156806	97.8176	-0.432588
5	volute-to-voluteExtension	0.145896	127.525	89.7195
5	voluteExtension-from-volute	0.145879	127.521	89.7193
5	voluteExtension-out	0.145878	106.112	89.7617
6	inletTube-in	0.136000	90.0000	0
6	inletTube-to-volute	0.136000	79.9295	-9.63756
6	impeller-from-volute	0.146542	141.685*	0.512477*
6	impeller-to-volute	0.146542	152.446*	86.9668*
6	volute-from-inletTube	0.136038	79.9890	-8.99871
6	volute-from-impeller	0.146438	149.740	87.0452
6	volute-to-impeller	0.146552	97.5571	0.542942
6	volute-to-voluteExtension	0.135924	127.403	89.5257
6	voluteExtension-from-volute	0.135916	127.401	89.5244
6	voluteExtension-out	0.135916	105.913	89.6583
7	inletTube-in	0.126000	90.0000	0
7	inletTube-to-volute	0.126000	79.2121	-4.49529
7	impeller-from-volute	0.136031	136.399*	3.80733*
7	impeller-to-volute	0.136031	147.186*	84.8785*
7	volute-from-inletTube	0.126035	79.2682	-3.84673
7	volute-from-impeller	0.135924	146.321	84.9760
7	volute-to-impeller	0.136042	96.4833	3.78256
7	volute-to-voluteExtension	0.125917	127.467	89.6606
7	voluteExtension-from-volute	0.125892	127.460	89.6671
7	voluteExtension-out	0.125892	106.122	89.4514

(*) Calculated from the relative velocity.

Cavitation Risk

Point Nr.	Flow Rate [ m³/s ]	Cavitating Volume [ m³ ]	Cavitating Volume [ % ]
1	0.186000	7.93170 × 10^-8	1.83570 × 10^-4
2	0.176000	4.36204 × 10^-8	1.00955 × 10^-4
3	0.166000	8.71483 × 10^-9	2.01695 × 10^-5
4	0.156000	2.85969 × 10^-11	6.61843 × 10^-8
5	0.146000	2.85969 × 10^-11	6.61843 × 10^-8
6	0.136000	8.16506 × 10^-10	1.88971 × 10^-6
7	0.126000	1.11133 × 10^-8	2.57206 × 10^-5

Cavitation Index

Point Nr.	Flow Rate [ m³/s ]	Cavitating Volume [ – ]
1	0.186000	5.55742
2	0.176000	5.60219
3	0.166000	5.67081
4	0.156000	5.92176
5	0.146000	6.27119
6	0.136000	6.61454
7	0.126000	7.12813

Net Positive Suction Head

Point Nr.	Flow Rate [ m³/s ]	NPSH [ m ]
1	0.186000	20.7189
2	0.176000	18.6881
3	0.166000	16.8117
4	0.156000	15.4510
5	0.146000	14.2700
6	0.136000	13.0100
7	0.126000	11.9733