centrifugal-fan CFD Simulation Resuls

Simulation Stats

Test Case Name

centrifugal-fan

Number of Points [ – ]

5

Machine Type

fan

Rotation Speed [ RPM ]

-3000.00

Number of Components [ – ]

(topology)

3

Mesh Size [ cells ]

(details)

suction : 19200

impeller : 366978

spiral : 112919

Total : 499097

Simulation score [ – ]

details

Average y+ at walls [ – ]

details

y+ details:

Point	Patch	Min	Max	Avg
1	suction_suction-wall_wall	153.315	1259.51	596.273
1	impeller_impeller-LE_wall	64.0970	509.607	329.626
1	impeller_impeller-PS_wall	69.7280	1723.33	444.644
1	impeller_impeller-SS_wall	35.0704	1154.52	334.977
1	impeller_impeller-TE_wall	60.0223	691.336	250.288
1	impeller_impeller-hub_wall	117.935	1381.92	809.568
1	impeller_impeller-shroud_wall	41.7272	1886.77	644.669
1	spiral_spiral-impeller-LE_wall	104.956	1944.82	420.737
1	spiral_spiral-impeller-TE_wall	112.129	1545.13	551.046
1	spiral_spiral-impeller-hub_wall	241.304	3300.82	1384.14
1	spiral_spiral-impeller-shroud_wall	64.9499	7588.33	1139.42
1	spiral_spiral-tongue_wall	163.518	1398.62	701.995
1	spiral_spiral-wall_wall	86.1744	2802.95	1335.67
1	spiral_suction-wall_wall	60.8960	2239.71	446.298
2	suction_suction-wall_wall	135.067	1105.74	525.081
2	impeller_impeller-LE_wall	58.2959	461.440	301.328
2	impeller_impeller-PS_wall	52.2520	1612.32	399.240
2	impeller_impeller-SS_wall	33.8709	1016.24	293.774
2	impeller_impeller-TE_wall	57.9692	604.563	223.123
2	impeller_impeller-hub_wall	107.023	1316.72	710.582
2	impeller_impeller-shroud_wall	39.4463	1688.78	581.796
2	spiral_spiral-impeller-LE_wall	94.0782	2355.44	425.661
2	spiral_spiral-impeller-TE_wall	122.012	1205.07	501.652
2	spiral_spiral-impeller-hub_wall	225.677	2873.70	1220.90
2	spiral_spiral-impeller-shroud_wall	58.8972	5521.70	1039.52
2	spiral_spiral-tongue_wall	151.868	1048.44	622.880
2	spiral_spiral-wall_wall	43.2411	2298.74	1315.51
2	spiral_suction-wall_wall	37.4907	2036.44	391.516
3	suction_suction-wall_wall	116.729	948.953	453.535
3	impeller_impeller-LE_wall	52.9066	421.545	274.437
3	impeller_impeller-PS_wall	58.4616	1490.85	355.544
3	impeller_impeller-SS_wall	27.9489	894.448	256.353
3	impeller_impeller-TE_wall	62.6087	527.965	197.679
3	impeller_impeller-hub_wall	86.2813	1181.59	625.465
3	impeller_impeller-shroud_wall	36.9703	1550.20	525.920
3	spiral_spiral-impeller-LE_wall	93.2017	2244.45	409.379
3	spiral_spiral-impeller-TE_wall	108.307	1044.45	470.722
3	spiral_spiral-impeller-hub_wall	209.692	2676.06	1137.25
3	spiral_spiral-impeller-shroud_wall	51.4574	5262.84	940.199
3	spiral_spiral-tongue_wall	181.341	1037.38	624.259
3	spiral_spiral-wall_wall	69.4606	2250.70	1326.71
3	spiral_suction-wall_wall	36.7351	1948.29	335.956
4	suction_suction-wall_wall	98.2862	799.281	381.536
4	impeller_impeller-LE_wall	46.7758	384.222	248.394
4	impeller_impeller-PS_wall	42.9116	1344.18	321.622
4	impeller_impeller-SS_wall	21.8705	793.343	227.120
4	impeller_impeller-TE_wall	45.0549	464.548	178.339
4	impeller_impeller-hub_wall	88.6857	1090.69	560.610
4	impeller_impeller-shroud_wall	43.3299	1432.63	486.785
4	spiral_spiral-impeller-LE_wall	100.096	1671.38	366.946
4	spiral_spiral-impeller-TE_wall	100.198	1019.55	466.818
4	spiral_spiral-impeller-hub_wall	202.698	2637.50	1123.20
4	spiral_spiral-impeller-shroud_wall	57.8753	4398.74	921.355
4	spiral_spiral-tongue_wall	199.749	1111.85	675.943
4	spiral_spiral-wall_wall	91.4176	2428.35	1311.01
4	spiral_suction-wall_wall	47.1910	1851.88	331.240
5	suction_suction-wall_wall	79.6997	659.314	308.827
5	impeller_impeller-LE_wall	43.5535	459.317	234.201
5	impeller_impeller-PS_wall	30.8628	1285.25	276.344
5	impeller_impeller-SS_wall	23.5676	1199.63	237.935
5	impeller_impeller-TE_wall	32.4044	711.092	192.422
5	impeller_impeller-hub_wall	52.5473	1160.41	518.742
5	impeller_impeller-shroud_wall	38.2874	1501.59	472.705
5	spiral_spiral-impeller-LE_wall	101.233	2214.02	419.879
5	spiral_spiral-impeller-TE_wall	90.5635	1254.49	486.652
5	spiral_spiral-impeller-hub_wall	201.755	2688.70	1102.48
5	spiral_spiral-impeller-shroud_wall	70.3611	6713.74	1073.63
5	spiral_spiral-tongue_wall	197.457	1547.59	839.092
5	spiral_spiral-wall_wall	46.5833	3137.38	1329.94
5	spiral_suction-wall_wall	46.9358	2279.59	413.762

Wall-clock time [ hh:mm:ss ]

00:00:53 (meshing)

00:09:03 (calculation)

Parallel Processors [ – ]

32

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	0.772943
2	0.165854	0.907610
3	0.142161	1.01109
4	0.118468	1.07609
5	0.0947740	1.07341

Efficiency

1:suction-inlet — 3:spiral-outlet

Point Nr.	Flow Rate [ m³/s ]	Efficiency [ – ]
1	32.0000	0.718443
2	28.0000	0.752426
3	24.0000	0.762353
4	20.0000	0.748778
5	16.0000	0.703241

Torque

Point Nr.	Torque [ N.m ]
1	1910.45
2	1849.69
3	1727.27
4	1552.73
5	1322.28

Axial Force

Point Nr.	Axial Force [ N ]
1	27991.9
2	26421.4
3	25146.8
4	24241.2
5	23865.7

Radial Force

Point Nr.	Radial Force [ N ]
1	653.693
2	436.243
3	177.417
4	221.849
5	857.832

Total Pressure Difference

1:suction-inlet — 3:spiral-outlet

Point Nr.	Flow Rate [ m³/s ]	Total Pressure Difference [ Pa ]
1	32.0000	14098.9
2	28.0000	16555.2
3	24.0000	18442.7
4	20.0000	19628.5
5	16.0000	19579.6

Total Pressure Ratio

1:suction-inlet — 3:spiral-outlet

Point Nr.	Flow Rate [ m³/s ]	Total Pressure Ratio [ – ]
1	32.0000	1.15439
2	28.0000	1.18905
3	24.0000	1.21751
4	20.0000	1.23635
5	16.0000	1.23615

Total Pressure per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Total Pressure [ Pa ]
1	suction:suction-inlet	32.0000	91320.4
1	suction-to-impeller	32.0000	90834.0
1	impeller-from-suction	32.0082	90818.5
1	impeller-to-spiral	32.0082	106426.
1	spiral-from-impeller	32.0051	106420.
1	spiral:spiral-outlet	32.0051	105419.
2	suction:suction-inlet	28.0000	87571.1
2	suction-to-impeller	28.0000	87198.3
2	impeller-from-suction	28.0077	87186.3
2	impeller-to-spiral	28.0077	104970.
2	spiral-from-impeller	27.9986	104964.
2	spiral:spiral-outlet	27.9986	104126.
3	suction:suction-inlet	24.0000	84789.7
3	suction-to-impeller	24.0000	84515.4
3	impeller-from-suction	24.0072	84506.5
3	impeller-to-spiral	24.0072	103941.
3	spiral-from-impeller	23.9910	103933.
3	spiral:spiral-outlet	23.9910	103232.
4	suction:suction-inlet	20.0000	83049.2
4	suction-to-impeller	20.0000	82858.5
4	impeller-from-suction	20.0066	82852.3
4	impeller-to-spiral	20.0066	103282.
4	spiral-from-impeller	19.9920	103271.
4	spiral:spiral-outlet	19.9920	102678.
5	suction:suction-inlet	16.0000	82910.0
5	suction-to-impeller	16.0000	82789.0
5	impeller-from-suction	16.0058	82784.9
5	impeller-to-spiral	16.0058	103280.
5	spiral-from-impeller	15.9936	103267.
5	spiral:spiral-outlet	15.9936	102490.

Velocity Magnitude per Interfaces

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Velocity Magnitude [ m/s ]
1	suction:suction-inlet	32.0000	73.8173
1	suction-to-impeller	32.0000	118.281
1	impeller-from-suction	32.0082	118.404
1	impeller-to-spiral	32.0082	86.2452
1	spiral-from-impeller	32.0051	86.2197
1	spiral:spiral-outlet	32.0051	80.3733
2	suction:suction-inlet	28.0000	64.5901
2	suction-to-impeller	28.0000	103.533
2	impeller-from-suction	28.0077	103.640
2	impeller-to-spiral	28.0077	92.0443
2	spiral-from-impeller	27.9986	92.0136
2	spiral:spiral-outlet	27.9986	66.8525
3	suction:suction-inlet	24.0000	55.3630
3	suction-to-impeller	24.0000	88.7786
3	impeller-from-suction	24.0072	88.8711
3	impeller-to-spiral	24.0072	96.8306
3	spiral-from-impeller	23.9910	96.7762
3	spiral:spiral-outlet	23.9910	55.5882
4	suction:suction-inlet	20.0000	46.1358
4	suction-to-impeller	20.0000	74.0528
4	impeller-from-suction	20.0066	74.1299
4	impeller-to-spiral	20.0066	99.6249
4	spiral-from-impeller	19.9920	99.5538
4	spiral:spiral-outlet	19.9920	46.7420
5	suction:suction-inlet	16.0000	36.9087
5	suction-to-impeller	16.0000	59.8224
5	impeller-from-suction	16.0058	59.8825
5	impeller-to-spiral	16.0058	99.0213
5	spiral-from-impeller	15.9936	98.9319
5	spiral:spiral-outlet	15.9936	42.3229

Circumferential and Meridional Angle

Point Nr.	Interface Name	Flow Rate [ m³/s ]	Circumferential Angle [ deg ]	Meridional Angle [ deg ]
1	suction:suction-inlet	32.0000	90.0000	0
1	suction-to-impeller	32.0000	90.0050	-0.343975
1	impeller-from-suction	32.0082	118.799*	-0.400298*
1	impeller-to-spiral	32.0082	164.233*	99.4184*
1	spiral-from-impeller	32.0051	158.742	99.4159
1	spiral:spiral-outlet	32.0051	123.879	89.3456
2	suction:suction-inlet	28.0000	90.0000	0
2	suction-to-impeller	28.0000	90.0056	-0.286536
2	impeller-from-suction	28.0077	122.093*	-0.342874*
2	impeller-to-spiral	28.0077	165.010*	98.6303*
2	spiral-from-impeller	27.9986	163.076	98.6278
2	spiral:spiral-outlet	27.9986	124.542	89.9890
3	suction:suction-inlet	24.0000	90.0000	0
3	suction-to-impeller	24.0000	90.0064	-0.205431
3	impeller-from-suction	24.0072	126.125*	-0.261811*
3	impeller-to-spiral	24.0072	165.715*	90.1110*
3	spiral-from-impeller	23.9910	165.831	90.1087
3	spiral:spiral-outlet	23.9910	124.948	90.3223
4	suction:suction-inlet	20.0000	90.0000	0
4	suction-to-impeller	20.0000	90.0077	-0.149565
4	impeller-from-suction	20.0066	131.102*	-0.205611*
4	impeller-to-spiral	20.0066	164.822*	79.6045*
4	spiral-from-impeller	19.9920	166.060	79.6105
4	spiral:spiral-outlet	19.9920	125.883	90.9827
5	suction:suction-inlet	16.0000	90.0000	0
5	suction-to-impeller	16.0000	90.0255	-0.379245
5	impeller-from-suction	16.0058	137.105*	-0.432893*
5	impeller-to-spiral	16.0058	151.001*	63.7003*
5	spiral-from-impeller	15.9936	152.952	63.8263
5	spiral:spiral-outlet	15.9936	127.894	92.6864