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

eveningTest

Created by TCFD^® 18.10 on Fri Oct 19 16:01:11 2018

DISCOVER

Simulation Stats

Test Case Name	eveningTest
Number of Points [ – ]	8
Machine Type	hydroTurbine
Rotation Speed [ RPM ]	600.000
Number of Components [ – ] ( topology )	3
Mesh Size [ cells ] ( details )	spiral : 231664 wheel : 234249 drafttube : 33915 Total : 499828
Mesh details [ mm ]: Component Property Min Max Avg 1 cellOpenness N/A 3.66040 × 10-16 N/A 1 cellVolume 50.5403 2.12922 × 106 N/A 1 faceArea 0.960033 20332.2 N/A 1 aspectRatio N/A 7.18595 N/A 1 nonOrthogonality N/A 64.5112 14.0541 1 skewness N/A 5.42710 N/A 1 edgeLength 0 146.474 N/A 1 concaveAngle N/A 79.8497 N/A 1 faceFlatness 0.590948 N/A 0.999034 1 cellDeterminant 0.0631292 N/A 19.7694 1 faceInterpolationWeight 0.0638056 N/A 0.438146 1 faceVolumeRatio 0.0116876 0.688881 N/A 1 Warnings: 2 skew faces 267 faces with low quality or negative volume decomposition tets 14 points on short edges 3847 faces with concave angles 25 warped faces 20075 concave cells 2 cellOpenness N/A 4.19964 × 10-16 N/A 2 cellVolume 8.96518 181742. N/A 2 faceArea 0.631053 4034.88 N/A 2 aspectRatio N/A 12.7516 N/A 2 nonOrthogonality N/A 64.9685 17.0938 2 skewness N/A 5.52816 N/A 2 edgeLength 0 73.7619 N/A 2 concaveAngle N/A 79.2198 N/A 2 faceFlatness 0.114918 N/A 0.994023 2 cellDeterminant 0.0140894 N/A 29.2013 2 faceInterpolationWeight 0.0222811 N/A 0.418900 2 faceVolumeRatio 0.0100798 0.585094 N/A 2 Warnings: 14 skew faces 617 faces with low quality or negative volume decomposition tets 8 points on short edges 4193 faces with concave angles 86 warped faces 21442 concave cells 2 faces with low interpolation weights 3 cellOpenness N/A 2.96977 × 10-16 N/A 3 cellVolume 216.302 2.43005 × 106 N/A 3 faceArea 3.58274 22329.6 N/A 3 aspectRatio N/A 8.99199 N/A 3 nonOrthogonality N/A 64.9012 13.6514 3 skewness N/A 2.92840 N/A 3 edgeLength 4.47489 × 10-5 172.391 N/A 3 concaveAngle N/A 73.1596 N/A 3 faceFlatness 0.758774 N/A 0.997028 3 cellDeterminant 0.0508515 N/A 19.0951 3 faceInterpolationWeight 0.0764038 N/A 0.441000 3 faceVolumeRatio 0.0105242 0.709942 N/A 3 Warnings: 79 faces with low quality or negative volume decomposition tets 4 points on short edges 785 faces with concave angles 21 warped faces 2512 concave cells
Average y+ at walls [ – ] (Details)	5101.27
y+ details: Point Patch Min Max Avg 1 spiral_guide-blade_wall 130.444 3529.16 887.099 1 spiral_guide-shroud_wall 684.932 4791.24 1528.91 1 spiral_spiral_wall 245.082 10340.8 2200.23 1 spiral_spiral-dip_wall 131.283 2115.61 673.000 1 spiral_guide-hub_wall 680.454 4763.30 1503.02 1 wheel_hub-rot-wall_wall 1125.43 7080.18 2733.87 1 wheel_blade-rot_wall 125.568 5122.52 869.137 1 wheel_shroud-rot_wall 147.243 6104.59 1442.39 1 wheel_hub-rot-wheel_wall 127.537 7143.55 1215.55 1 wheel_hub-rot-tip_wall 1841.93 16802.4 3466.43 1 drafttube_drafttube_wall 275.914 21927.3 5101.27 2 spiral_guide-blade_wall 121.773 3253.51 809.759 2 spiral_guide-shroud_wall 636.506 4318.03 1424.09 2 spiral_spiral_wall 225.196 9174.11 1963.82 2 spiral_spiral-dip_wall 123.628 2018.41 618.485 2 spiral_guide-hub_wall 633.538 4292.22 1400.76 2 wheel_hub-rot-wall_wall 1152.71 7046.54 2784.94 2 wheel_blade-rot_wall 92.5465 4565.88 781.220 2 wheel_shroud-rot_wall 134.498 5909.19 1411.96 2 wheel_hub-rot-wheel_wall 119.672 6548.55 1141.47 2 wheel_hub-rot-tip_wall 1200.88 6421.24 2341.93 2 drafttube_drafttube_wall 214.624 14480.6 3957.86 3 spiral_guide-blade_wall 112.698 3026.88 750.766 3 spiral_guide-shroud_wall 595.718 4026.16 1324.65 3 spiral_spiral_wall 212.065 8590.75 1835.58 3 spiral_spiral-dip_wall 115.683 1894.84 579.868 3 spiral_guide-hub_wall 593.292 4002.86 1303.38 3 wheel_hub-rot-wall_wall 1199.83 6610.17 2684.46 3 wheel_blade-rot_wall 69.8828 4108.36 702.208 3 wheel_shroud-rot_wall 125.633 5499.48 1311.55 3 wheel_hub-rot-wheel_wall 110.368 5746.07 1038.78 3 wheel_hub-rot-tip_wall 1082.25 6083.64 2076.75 3 drafttube_drafttube_wall 264.838 11234.8 3179.54 4 spiral_guide-blade_wall 108.664 2861.00 707.033 4 spiral_guide-shroud_wall 562.577 3815.13 1253.46 4 spiral_spiral_wall 198.978 8007.39 1723.21 4 spiral_spiral-dip_wall 108.774 1788.23 545.923 4 spiral_guide-hub_wall 560.347 3793.67 1233.19 4 wheel_hub-rot-wall_wall 1291.89 6337.70 2647.74 4 wheel_blade-rot_wall 66.2350 3687.07 642.635 4 wheel_shroud-rot_wall 118.805 5196.86 1239.25 4 wheel_hub-rot-wheel_wall 94.3415 5396.92 957.501 4 wheel_hub-rot-tip_wall 900.798 5195.40 1768.44 4 drafttube_drafttube_wall 209.260 10748.3 2559.61 5 spiral_guide-blade_wall 98.3020 2635.17 645.119 5 spiral_guide-shroud_wall 519.644 3467.94 1149.91 5 spiral_spiral_wall 185.571 7424.04 1586.11 5 spiral_spiral-dip_wall 101.290 1652.67 503.274 5 spiral_guide-hub_wall 517.579 3448.36 1131.49 5 wheel_hub-rot-wall_wall 1361.36 6032.05 2593.44 5 wheel_blade-rot_wall 74.1109 3160.77 577.200 5 wheel_shroud-rot_wall 119.199 4855.94 1154.78 5 wheel_hub-rot-wheel_wall 78.7653 4957.85 867.226 5 wheel_hub-rot-tip_wall 658.933 3873.72 1366.03 5 drafttube_drafttube_wall 156.916 10061.7 2437.17 6 spiral_guide-blade_wall 91.9253 2433.72 599.518 6 spiral_guide-shroud_wall 488.047 3219.36 1069.67 6 spiral_spiral_wall 175.057 7074.05 1500.38 6 spiral_spiral-dip_wall 95.7573 1562.07 474.609 6 spiral_guide-hub_wall 485.786 3202.41 1053.01 6 wheel_hub-rot-wall_wall 1335.02 5716.68 2503.02 6 wheel_blade-rot_wall 69.3576 2898.82 533.492 6 wheel_shroud-rot_wall 113.668 4549.01 1084.98 6 wheel_hub-rot-wheel_wall 74.6540 4683.56 807.440 6 wheel_hub-rot-tip_wall 564.989 3320.83 1163.08 6 drafttube_drafttube_wall 149.246 11385.3 3079.93 7 spiral_guide-blade_wall 87.1554 2308.53 566.362 7 spiral_guide-shroud_wall 463.814 3047.60 1013.51 7 spiral_spiral_wall 167.044 6724.07 1424.93 7 spiral_spiral-dip_wall 91.4840 1486.74 451.421 7 spiral_guide-hub_wall 461.602 3031.88 997.882 7 wheel_hub-rot-wall_wall 1330.53 5554.41 2463.34 7 wheel_blade-rot_wall 63.9863 2682.11 504.870 7 wheel_shroud-rot_wall 111.482 4363.13 1044.75 7 wheel_hub-rot-wheel_wall 73.0441 4520.13 763.596 7 wheel_hub-rot-tip_wall 490.078 3314.68 1056.63 7 drafttube_drafttube_wall 70.3174 15554.2 3887.53 8 spiral_guide-blade_wall 82.7658 2191.02 535.168 8 spiral_guide-shroud_wall 440.458 2882.12 961.076 8 spiral_spiral_wall 159.015 6374.12 1350.67 8 spiral_spiral-dip_wall 87.3562 1414.47 428.564 8 spiral_guide-hub_wall 438.502 2867.51 946.337 8 wheel_hub-rot-wall_wall 1333.63 5449.35 2444.98 8 wheel_blade-rot_wall 56.7908 2457.60 486.973 8 wheel_shroud-rot_wall 111.186 4222.08 1020.43 8 wheel_hub-rot-wheel_wall 68.6951 4406.40 727.995 8 wheel_hub-rot-tip_wall 521.768 3645.90 1088.96 8 drafttube_drafttube_wall 99.6412 17608.1 4269.43
Wall-clock time [ hh:mm:ss ]	00:46:49
Parallel Processors [ – ]	6
Fluid Name	water
Compressibility	incompressible

Head

1:inflow — 3:outflow

Point Nr.	Flow Rate [ m3/s ]	Head [ m ]
1	9.00000	82.5197
2	8.00000	64.8213
3	7.50000	56.4819
4	7.00000	48.8914
5	6.50000	41.9908
6	6.20000	38.1382
7	5.90000	34.8553
8	5.60000	31.6619

Efficiency

1:inflow — 3:outflow

Point Nr.	Flow Rate [ m3/s ]	Efficiency [ – ]
1	9.00000	0.833861
2	8.00000	0.876108
3	7.50000	0.898022
4	7.00000	0.911370
5	6.50000	0.913341
6	6.20000	0.907073
7	5.90000	0.884232
8	5.60000	0.855172

Torque

Point Nr.	Torque [ N.m ]
1	96304.2
2	70651.0
3	59157.9
4	48503.8
5	38764.7
6	33353.7
7	28277.0
8	23579.0

Axial Force

Point Nr.	Axial Force [ N ]
1	-119695.
2	-107506.
3	-101545.
4	-96982.4
5	-94720.1
6	-96069.3
7	-98422.0
8	-99470.8

Total Pressure Difference

1:inflow — 3:outflow

Point Nr.	Flow Rate [ m3/s ]	Total Pressure Difference [ Pa ]
1	9.00000	-806280.
2	8.00000	-633353.
3	7.50000	-551871.
4	7.00000	-477707.
5	6.50000	-410282.
6	6.20000	-372640.
7	5.90000	-340563.
8	5.60000	-309361.

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ m3/s ]	Total Pressure [ Pa ]
1	spiral-in	9.00000	919440.
1	spiral-to-wheel	9.00000	895868.
1	wheel-from-spiral	9.00001	892706.
1	wheel-to-drafttube	9.00004	144060.
1	drafttube-from-wheel	9.00004	140924.
1	drafttube-out	9.00016	113160.
2	spiral-in	8.00000	741113.
2	spiral-to-wheel	7.99999	722268.
2	wheel-from-spiral	8.00000	719718.
2	wheel-to-drafttube	8.00005	121795.
2	drafttube-from-wheel	8.00005	119902.
2	drafttube-out	8.00017	107760.
3	spiral-in	7.50000	658723.
3	spiral-to-wheel	7.49996	642221.
3	wheel-from-spiral	7.49997	639952.
3	wheel-to-drafttube	7.49998	113258.
3	drafttube-from-wheel	7.49998	111703.
3	drafttube-out	7.50025	106852.
4	spiral-in	7.00000	582814.
4	spiral-to-wheel	6.99996	568473.
4	wheel-from-spiral	6.99997	566464.
4	wheel-to-drafttube	6.99998	108961.
4	drafttube-from-wheel	6.99998	107718.
4	drafttube-out	7.00008	105107.
5	spiral-in	6.50000	515101.
5	spiral-to-wheel	6.49999	502680.
5	wheel-from-spiral	6.50001	501020.
5	wheel-to-drafttube	6.50001	109629.
5	drafttube-from-wheel	6.50001	108678.
5	drafttube-out	6.49963	104819.
6	spiral-in	6.20000	480577.
6	spiral-to-wheel	6.20000	469276.
6	wheel-from-spiral	6.20001	467720.
6	wheel-to-drafttube	6.20002	115080.
6	drafttube-from-wheel	6.20002	114200.
6	drafttube-out	6.20004	107938.
7	spiral-in	5.90000	449244.
7	spiral-to-wheel	5.89998	439008.
7	wheel-from-spiral	5.89999	437551.
7	wheel-to-drafttube	5.89999	122789.
7	drafttube-from-wheel	5.89999	121883.
7	drafttube-out	5.90002	108681.
8	spiral-in	5.60000	418144.
8	spiral-to-wheel	5.60000	408914.
8	wheel-from-spiral	5.60001	407632.
8	wheel-to-drafttube	5.60002	129228.
8	drafttube-from-wheel	5.60001	128428.
8	drafttube-out	5.60014	108783.

Spiral-in

Spiral-to-wheel

Wheel-from-spiral

Wheel-to-drafttube

Drafttube-from-wheel

​

Drafttube-out

Spiral-in

Spiral-to-wheel

Wheel-from-spiral

Wheel-to-drafttube

Drafttube-from-wheel

​

Drafttube-out

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ m3/s ]	Velocity Magnitude [ m/s ]
1	spiral-in	9.00000	8.27177
1	spiral-to-wheel	9.00000	21.3872
1	wheel-from-spiral	9.00001	21.2553
1	wheel-to-drafttube	9.00004	14.0360
1	drafttube-from-wheel	9.00004	13.8567
1	drafttube-out	9.00016	4.47450
2	spiral-in	8.00000	7.35268
2	spiral-to-wheel	7.99999	19.0198
2	wheel-from-spiral	8.00000	18.9013
2	wheel-to-drafttube	8.00005	11.5823
2	drafttube-from-wheel	8.00005	11.4525
2	drafttube-out	8.00017	3.34733
3	spiral-in	7.50000	6.89314
3	spiral-to-wheel	7.49996	17.8378
3	wheel-from-spiral	7.49997	17.7261
3	wheel-to-drafttube	7.49998	10.5330
3	drafttube-from-wheel	7.49998	10.4234
3	drafttube-out	7.50025	3.12951
4	spiral-in	7.00000	6.43360
4	spiral-to-wheel	6.99996	16.6511
4	wheel-from-spiral	6.99997	16.5463
4	wheel-to-drafttube	6.99998	9.71365
4	drafttube-from-wheel	6.99998	9.62247
4	drafttube-out	7.00008	2.64460
5	spiral-in	6.50000	5.97406
5	spiral-to-wheel	6.49999	15.4688
5	wheel-from-spiral	6.50001	15.3708
5	wheel-to-drafttube	6.50001	9.14302
5	drafttube-from-wheel	6.50001	9.06714
5	drafttube-out	6.49963	2.53515
6	spiral-in	6.20000	5.69833
6	spiral-to-wheel	6.20000	14.7572
6	wheel-from-spiral	6.20001	14.6634
6	wheel-to-drafttube	6.20002	8.96602
6	drafttube-from-wheel	6.20002	8.89827
6	drafttube-out	6.20004	3.31577
7	spiral-in	5.90000	5.42260
7	spiral-to-wheel	5.89998	14.0460
7	wheel-from-spiral	5.89999	13.9564
7	wheel-to-drafttube	5.89999	8.98658
7	drafttube-from-wheel	5.89999	8.91857
7	drafttube-out	5.90002	3.54180
8	spiral-in	5.60000	5.14688
8	spiral-to-wheel	5.60000	13.3344
8	wheel-from-spiral	5.60001	13.2491
8	wheel-to-drafttube	5.60002	9.28702
8	drafttube-from-wheel	5.60001	9.22610
8	drafttube-out	5.60014	3.57517

Spiral-in

Spiral-to-wheel

Wheel-from-spiral

Wheel-to-drafttube

Drafttube-from-wheel

​

Drafttube-out

Spiral-in

Spiral-to-wheel

Wheel-from-spiral

Wheel-to-drafttube

Drafttube-from-wheel

​

Drafttube-out

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ m3/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	spiral-in	9.00000	-50.5965	-90.0002
1	spiral-to-wheel	9.00000	-27.3751	-75.2755
1	wheel-from-spiral	9.00001	-143.021*	-75.2511*
1	wheel-to-drafttube	9.00004	153.720*	5.81417*
1	drafttube-from-wheel	9.00004	111.774	5.65610
1	drafttube-out	9.00016	92.5657	98.1718
2	spiral-in	8.00000	-50.5965	-90.0002
2	spiral-to-wheel	7.99999	-27.3998	-75.0383
2	wheel-from-spiral	8.00000	-149.957*	-75.0115*
2	wheel-to-drafttube	8.00005	154.132*	3.44596*
2	drafttube-from-wheel	8.00005	102.924	3.69504
2	drafttube-out	8.00017	90.7482	99.2438
3	spiral-in	7.50000	-50.5965	-90.0002
3	spiral-to-wheel	7.49996	-27.4067	-74.9423
3	wheel-from-spiral	7.49997	-153.083*	-74.9140*
3	wheel-to-drafttube	7.49998	154.227*	3.15735*
3	drafttube-from-wheel	7.49998	96.4864	3.37426
3	drafttube-out	7.50025	91.7128	98.5949
4	spiral-in	7.00000	-50.5965	-90.0002
4	spiral-to-wheel	6.99996	-27.4189	-74.8486
4	wheel-from-spiral	6.99997	-155.993*	-74.8194*
4	wheel-to-drafttube	6.99998	154.181*	3.21755*
4	drafttube-from-wheel	6.99998	88.5873	3.43242
4	drafttube-out	7.00008	91.7246	98.5740
5	spiral-in	6.50000	-50.5965	-90.0002
5	spiral-to-wheel	6.49999	-27.4220	-74.7728
5	wheel-from-spiral	6.50001	-158.688*	-74.7420*
5	wheel-to-drafttube	6.50001	154.002*	3.50079*
5	drafttube-from-wheel	6.50001	79.3602	3.70120
5	drafttube-out	6.49963	88.7840	98.8024
6	spiral-in	6.20000	-50.5965	-90.0002
6	spiral-to-wheel	6.20000	-27.4248	-74.7562
6	wheel-from-spiral	6.20001	-160.211*	-74.7245*
6	wheel-to-drafttube	6.20002	153.861*	4.06857*
6	drafttube-from-wheel	6.20002	73.1512	4.24878
6	drafttube-out	6.20004	86.0048	99.7793
7	spiral-in	5.90000	-50.5965	-90.0002
7	spiral-to-wheel	5.89998	-27.4292	-74.7068
7	wheel-from-spiral	5.89999	-161.662*	-74.6742*
7	wheel-to-drafttube	5.89999	154.090*	5.77600*
7	drafttube-from-wheel	5.89999	66.9506	5.96776
7	drafttube-out	5.90002	84.9378	99.8214
8	spiral-in	5.60000	-50.5965	-90.0002
8	spiral-to-wheel	5.60000	-27.4343	-74.6523
8	wheel-from-spiral	5.60001	-163.047*	-74.6188*
8	wheel-to-drafttube	5.60002	154.614*	8.86212*
8	drafttube-from-wheel	5.60001	61.9521	9.24890
8	drafttube-out	5.60014	83.2357	98.2170

Spiral-in

Spiral-to-wheel

Wheel-from-spiral

Wheel-to-drafttube

Drafttube-from-wheel

​

Drafttube-out

Spiral-in

Spiral-to-wheel

Wheel-from-spiral

Wheel-to-drafttube

Drafttube-from-wheel

​

Drafttube-out

Cavitation Risk

Point Nr.	Flow Rate [ m3/s ]	Cavitating Volume [ m3 ]	Cavitating Volume [ % ]
1	9.00000	0.0186693	0.0929647
2	8.00000	0.00459477	0.0228799
3	7.50000	4.05725 × 10-4	0.00202033
4	7.00000	6.62369 × 10-5	3.29829 × 10-4
5	6.50000	3.57200 × 10-5	1.77869 × 10-4
6	6.20000	2.11998 × 10-5	1.05565 × 10-4
7	5.90000	1.26968 × 10-5	6.32244 × 10-5
8	5.60000	8.49194 × 10-6	4.22860 × 10-5

Cavitation Index

Point Nr.	Flow Rate [ m3/s ]	Cavitating Volume [ – ]
1	9.00000	12.9857
2	8.00000	13.2612
3	7.50000	13.4096
4	7.00000	13.6324
5	6.50000	14.0012
6	6.20000	14.3634
7	5.90000	14.8179
8	5.60000	15.3196

Net Positive Suction Head

Point Nr.	Flow Rate [ m3/s ]	NPSH [ m ]
1	9.00000	94.0591
2	8.00000	75.8368
3	7.50000	67.3723
4	7.00000	59.6286
5	6.50000	52.7562
6	6.20000	49.1976
7	5.90000	45.9140
8	5.60000	42.7182

Blade to Blade View

Setup #1

Setup #1
Meshes:	2
Hub patches:	2:hub-rot-tip, 2:hub-rot-wall, 2:hub-rot-wheel
Shroud patches:	2:shroud-rot
Field:	URel,LIC
Span:	0.1

Setup #2

Meshes:	2
Hub patches:	2:hub-rot-tip, 2:hub-rot-wall, 2:hub-rot-wheel
Shroud patches:	2:shroud-rot
Field:	URel,LIC
Span:	0.5

Setup #

Setup #3
Meshes:	2
Hub patches:	2:hub-rot-tip, 2:hub-rot-wall, 2:hub-rot-wheel
Shroud patches:	2:shroud-rot
Field:	URel,LIC
Span:	0.9

Meridional Average

Setup #1

Meshes:	2
Field:	p

info@cfdsupport.com    +420 212 243 883      © CFD support, s.r.o., Sokolovská 270/201, 19000 Praha 9, Czech Republic

Design: HTML5 UP

TCFD^® 19.10 license is issued for CFDSUPPORT  Test Licence as Limited and will be valid until Oct 06, 2022.