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

Centrifugal-Fan

Created by TCFD 21.02 on Mon Feb 22 15:05:06 2021

Simulation Stats

Test Case Name

Centrifugal-Fan

Number of Points [ – ]

Machine Type

fan

Rotation Speed [ RPM ]

-3000.00

Number of Components [ – ]

(topology)

Mesh Size [ cells ]

(details)

suction : 19200

impeller : 367104

spiral : 112922

Total : 499226

Simulation score [ – ]

details

Average y+ at walls [ – ]

details

y+ details:

Point	Patch	Min	Max	Avg
1	suction_suction-wall_wall	153.317	1259.63	596.212
1	impeller_impeller-TE_wall	59.2232	692.677	250.728
1	impeller_impeller-shroud_wall	43.3281	1887.33	647.966
1	impeller_impeller-hub_wall	118.335	1379.05	810.888
1	impeller_impeller-SS_wall	36.1741	1163.50	335.575
1	impeller_impeller-PS_wall	70.5301	1722.50	445.021
1	impeller_impeller-LE_wall	68.0327	502.902	329.481
1	spiral_spiral-tongue_wall	163.938	1406.12	704.228
1	spiral_spiral-impeller-TE_wall	113.938	1547.08	552.288
1	spiral_spiral-impeller-LE_wall	105.201	1948.49	419.434
1	spiral_suction-wall_wall	61.5191	2239.51	446.859
1	spiral_spiral-impeller-hub_wall	243.706	3291.41	1391.00
1	spiral_spiral-wall_wall	82.3062	2810.92	1336.25
1	spiral_spiral-impeller-shroud_wall	65.0362	7607.18	1138.42
2	suction_suction-wall_wall	135.067	1105.74	525.030
2	impeller_impeller-TE_wall	57.6698	605.510	223.685
2	impeller_impeller-shroud_wall	39.7050	1687.58	584.815
2	impeller_impeller-hub_wall	107.207	1316.17	711.839
2	impeller_impeller-SS_wall	33.8707	1022.05	294.257
2	impeller_impeller-PS_wall	52.4254	1612.10	399.569
2	impeller_impeller-LE_wall	60.9245	461.478	301.323
2	spiral_spiral-tongue_wall	151.926	1049.79	623.352
2	spiral_spiral-impeller-TE_wall	122.103	1210.11	502.016
2	spiral_spiral-impeller-LE_wall	94.1903	2359.25	422.202
2	spiral_suction-wall_wall	37.0205	2039.34	391.141
2	spiral_spiral-impeller-hub_wall	227.487	2871.82	1225.03
2	spiral_spiral-wall_wall	42.1282	2308.05	1315.37
2	spiral_spiral-impeller-shroud_wall	59.0993	5575.98	1038.83
3	suction_suction-wall_wall	116.731	949.165	453.497
3	impeller_impeller-TE_wall	62.4943	528.002	197.729
3	impeller_impeller-shroud_wall	34.7672	1547.93	527.194
3	impeller_impeller-hub_wall	86.1189	1181.63	624.665
3	impeller_impeller-SS_wall	27.3214	895.527	256.144
3	impeller_impeller-PS_wall	57.9354	1491.37	354.879
3	impeller_impeller-LE_wall	55.3313	421.384	274.491
3	spiral_spiral-tongue_wall	181.462	1036.57	624.631
3	spiral_spiral-impeller-TE_wall	108.207	1044.79	470.667
3	spiral_spiral-impeller-LE_wall	91.4166	2243.49	407.491
3	spiral_suction-wall_wall	36.6282	1946.44	335.835
3	spiral_spiral-impeller-hub_wall	210.390	2680.44	1140.62
3	spiral_spiral-wall_wall	74.0417	2250.90	1326.75
3	spiral_spiral-impeller-shroud_wall	51.4159	5263.53	938.079
4	suction_suction-wall_wall	98.2898	800.201	381.503
4	impeller_impeller-TE_wall	43.1734	465.187	177.692
4	impeller_impeller-shroud_wall	43.2168	1438.83	486.890
4	impeller_impeller-hub_wall	88.4194	1089.41	558.357
4	impeller_impeller-SS_wall	22.2259	799.304	226.855
4	impeller_impeller-PS_wall	41.1137	1345.51	320.362
4	impeller_impeller-LE_wall	48.9603	387.060	248.650
4	spiral_spiral-tongue_wall	201.231	1123.29	672.971
4	spiral_spiral-impeller-TE_wall	100.215	1008.54	465.379
4	spiral_spiral-impeller-LE_wall	100.556	1641.02	366.691
4	spiral_suction-wall_wall	48.8876	1837.38	328.628
4	spiral_spiral-impeller-hub_wall	210.095	2635.03	1129.23
4	spiral_spiral-wall_wall	94.8132	2411.76	1314.30
4	spiral_spiral-impeller-shroud_wall	58.4693	4313.20	918.259
5	suction_suction-wall_wall	79.7032	661.451	308.790
5	impeller_impeller-TE_wall	32.9522	693.320	194.080
5	impeller_impeller-shroud_wall	38.4511	1495.80	474.073
5	impeller_impeller-hub_wall	52.3743	1158.59	519.316
5	impeller_impeller-SS_wall	23.8180	1185.61	233.839
5	impeller_impeller-PS_wall	28.4576	1287.92	277.512
5	impeller_impeller-LE_wall	35.0905	439.242	233.704
5	spiral_spiral-tongue_wall	195.832	1537.78	838.437
5	spiral_spiral-impeller-TE_wall	90.0388	1252.35	486.250
5	spiral_spiral-impeller-LE_wall	102.314	2421.90	424.627
5	spiral_suction-wall_wall	47.0894	2306.69	412.061
5	spiral_spiral-impeller-hub_wall	208.885	2630.00	1109.27
5	spiral_spiral-wall_wall	46.3179	3100.39	1327.26
5	spiral_spiral-impeller-shroud_wall	71.6344	6799.31	1076.42

Wall-clock time [ hh:mm:ss ]

00:00:32 (meshing)

00:10:01 (calculation)

Parallel Processors [ – ]

Fluid Name

air

Physical Model

incompressible

Numerical order

first

Turbulence model

kOmegaSST

Fan Characteristic

1:suction-inlet — 3:spiral-outlet

Point Nr.	Flow number [ – ]	Compression number [ – ]
1	0.189548	0.771090
2	0.165854	0.906508
3	0.142161	1.01101
4	0.118468	1.07421
5	0.0947740	1.06951

Efficiency

1:suction-inlet — 3:spiral-outlet

Point Nr.	Flow Rate [ m³/s ]	Efficiency [ – ]
1	32.0000	0.717467
2	28.0000	0.751787
3	24.0000	0.762320
4	20.0000	0.747494
5	16.0000	0.702815

Torque

Point Nr.	Torque [ N.m ]
1	1908.91
2	1849.16
3	1727.26
4	1552.83
5	1318.67

Axial Force

Point Nr.	Axial Force [ N ]
1	28012.5
2	26434.5
3	25151.8
4	24246.3
5	23892.4

Radial Force

Point Nr.	Radial Force [ N ]
1	657.226
2	432.728
3	173.207
4	193.829
5	885.125

Total Pressure Difference

1:suction-inlet — 3:spiral-outlet

Point Nr.	Flow Rate [ m³/s ]	Total Pressure Difference [ Pa ]
1	32.0000	14065.0
2	28.0000	16535.1
3	24.0000	18441.4
4	20.0000	19594.1
5	16.0000	19508.5

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Total Pressure [ Pa ]
1	suction-in	32.0000	91376.4
1	suction-to-impeller	32.0000	90890.2
1	impeller-from-suction	32.0082	90875.0
1	impeller-to-spiral	32.0082	106457.
1	spiral-from-impeller	32.0035	106451.
1	spiral-out	32.0035	105441.
2	suction-in	28.0000	87594.8
2	suction-to-impeller	28.0000	87222.0
2	impeller-from-suction	28.0078	87210.3
2	impeller-to-spiral	28.0078	104978.
2	spiral-from-impeller	27.9980	104972.
2	spiral-out	27.9980	104130.
3	suction-in	24.0000	84790.1
3	suction-to-impeller	24.0000	84515.7
3	impeller-from-suction	24.0072	84507.1
3	impeller-to-spiral	24.0072	103943.
3	spiral-from-impeller	23.9916	103935.
3	spiral-out	23.9916	103232.
4	suction-in	20.0000	83077.1
4	suction-to-impeller	20.0000	82886.4
4	impeller-from-suction	20.0066	82880.4
4	impeller-to-spiral	20.0066	103318.
4	spiral-from-impeller	19.9924	103308.
4	spiral-out	19.9924	102671.
5	suction-in	16.0000	82975.3
5	suction-to-impeller	16.0000	82854.4
5	impeller-from-suction	16.0058	82850.4
5	impeller-to-spiral	16.0058	103300.
5	spiral-from-impeller	15.9948	103287.
5	spiral-out	15.9948	102484.

suction-in

flowRateVsTotalPressurePerInterfaces suction in 1

suction-to-impeller

flowRateVsTotalPressurePerInterfaces suction to impeller 1

impeller-from-suction

flowRateVsTotalPressurePerInterfaces impeller from suction 1

impeller-to-spiral

flowRateVsTotalPressurePerInterfaces impeller to spiral 1

spiral-from-impeller

flowRateVsTotalPressurePerInterfaces impeller to spiral 1 1

spiral-out

flowRateVsTotalPressurePerInterfaces spiral out 1

suction-in

totalPressurePerInterfaces suction in 1

suction-to-impeller

totalPressurePerInterfaces suction to impeller 1

impeller-from-suction

totalPressurePerInterfaces impeller from suction 1

impeller-to-spiral

totalPressurePerInterfaces impeller to spiral 1

spiral-from-impeller

totalPressurePerInterfaces spiral from impeller 1

spiral-out

totalPressurePerInterfaces spiral out 1

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Velocity Magnitude [ m/s ]
1	suction-in	32.0000	73.8173
1	suction-to-impeller	32.0000	118.271
1	impeller-from-suction	32.0082	118.393
1	impeller-to-spiral	32.0082	86.2121
1	spiral-from-impeller	32.0035	86.1862
1	spiral-out	32.0035	80.5814
2	suction-in	28.0000	64.5901
2	suction-to-impeller	28.0000	103.526
2	impeller-from-suction	28.0078	103.633
2	impeller-to-spiral	28.0078	92.0353
2	spiral-from-impeller	27.9980	92.0049
2	spiral-out	27.9980	66.8856
3	suction-in	24.0000	55.3630
3	suction-to-impeller	24.0000	88.7795
3	impeller-from-suction	24.0072	88.8715
3	impeller-to-spiral	24.0072	96.8459
3	spiral-from-impeller	23.9916	96.7923
3	spiral-out	23.9916	55.5769
4	suction-in	20.0000	46.1358
4	suction-to-impeller	20.0000	74.0442
4	impeller-from-suction	20.0066	74.1209
4	impeller-to-spiral	20.0066	99.6584
4	spiral-from-impeller	19.9924	99.5891
4	spiral-out	19.9924	46.6825
5	suction-in	16.0000	36.9087
5	suction-to-impeller	16.0000	59.8473
5	impeller-from-suction	16.0058	59.9070
5	impeller-to-spiral	16.0058	98.8849
5	spiral-from-impeller	15.9948	98.7944
5	spiral-out	15.9948	42.2174

suction-in

flowRateVsVelocityMagnitudePerInterfaces suction in 1

suction-to-impeller

flowRateVsVelocityMagnitudePerInterfaces suction to impeller 1

impeller-from-suction

flowRateVsVelocityMagnitudePerInterfaces impeller from suction 1

impeller-to-spiral

flowRateVsVelocityMagnitudePerInterfaces impeller to spiral 1

spiral-from-impeller

flowRateVsVelocityMagnitudePerInterfaces spiral from impeller 1

spiral-out

flowRateVsVelocityMagnitudePerInterfaces spiral out 1

suction-in

velocityMagnitudePerInterfaces suction in 1

suction-to-impeller

velocityMagnitudePerInterfaces suction to impeller 1

impeller-from-suction

velocityMagnitudePerInterfaces impeller from suction 1

impeller-to-spiral

velocityMagnitudePerInterfaces impeller to spiral 1

spiral-from-impeller

velocityMagnitudePerInterfaces spiral from impeller 1

spiral-out

velocityMagnitudePerInterfaces spiral out 1

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	suction-in	32.0000	90.0000	0
1	suction-to-impeller	32.0000	90.0049	-0.350999
1	impeller-from-suction	32.0082	118.800*	-0.406765*
1	impeller-to-spiral	32.0082	164.223*	99.3773*
1	spiral-from-impeller	32.0035	158.706	99.3759
1	spiral-out	32.0035	123.870	89.2892
2	suction-in	28.0000	90.0000	0
2	suction-to-impeller	28.0000	90.0055	-0.294392
2	impeller-from-suction	28.0078	122.094*	-0.350155*
2	impeller-to-spiral	28.0078	165.001*	98.8199*
2	spiral-from-impeller	27.9980	163.068	98.8179
2	spiral-out	27.9980	124.550	89.9790
3	suction-in	24.0000	90.0000	0
3	suction-to-impeller	24.0000	90.0063	-0.207140
3	impeller-from-suction	24.0072	126.126*	-0.262973*
3	impeller-to-spiral	24.0072	165.691*	90.2228*
3	spiral-from-impeller	23.9916	165.812	90.2185
3	spiral-out	23.9916	124.938	90.3150
4	suction-in	20.0000	90.0000	0
4	suction-to-impeller	20.0000	90.0073	-0.145100
4	impeller-from-suction	20.0066	131.106*	-0.200609*
4	impeller-to-spiral	20.0066	164.608*	78.5653*
4	spiral-from-impeller	19.9924	165.864	78.5513
4	spiral-out	19.9924	125.877	90.9257
5	suction-in	16.0000	90.0000	0
5	suction-to-impeller	16.0000	90.0261	-0.401986
5	impeller-from-suction	16.0058	137.094*	-0.454752*
5	impeller-to-spiral	16.0058	151.772*	63.8331*
5	spiral-from-impeller	15.9948	153.701	64.0135
5	spiral-out	15.9948	127.975	92.6447