Title
A Vista TF Results Analysis for a Pump
Date
2016/01/25 21:51:44
Contents
1. Throughflow: Summary of Quantitative Data
Table 1 Throughflow: Summary of Input and Performance Results
2. Throughflow: Meridionial Plots
Figure 1 Throughflow: Contour of Cm
Figure 2 Throughflow: Contour of Cu
Figure 3 Throughflow: Contour of P
Figure 4 Throughflow: Contour of Solution Error
3. Throughflow: Blade Row Charts
3.1. Charts for Row 1
Chart 1 Throughflow: Relative Velocity (W) on Tip Streamline
Chart 2 Throughflow: Relative Velocity (W) on Mean Streamline
Chart 3 Throughflow: Relative Velocity (W) on Hub Streamline
Chart 4 Throughflow: Meridional Variation in Blade to Blade Loading Parameter
Chart 5 Throughflow: Meridional Variation in Beta (Blade and Flow Angles)
Chart 6 Throughflow: Meridional Variation in Static Pressure
Chart 7 Throughflow: Spanwise Variation in Loading Parameters
Chart 8 Throughflow: Spanwise Variation in Incidence and Deviation Angles
4. Introduction
Figure 5 Complete meridional view of the flow passage and blades
5. Performance Results
5.1. Overall Performance Results
Table 2 Overall Performance Results Table
5.2. Stage Performance Results
Table 3 Stage 1 Performance Results
6. Component Summary Data
Table 4 Component 1 Summary Data Table
7. Meanline 1-D Charts
Chart 9 Chart showing streamwise, area averaged Cm versus averaged normalized M.
8. Stage Plots
8.1. Stage 1 Plots
Figure 6 Stage 1 meridional view of the flow passage and blades
Figure 7 Stage 1 contours of P at 50% span
Figure 8 Stage 1 velocity vectors at 50% span
Figure 9 Stage 1 contours of Ptr at 50% span
Figure 10 Stage 1 contours of circumferentially area-averaged P
Figure 11 Stage 1 contours of circumferentially area-averaged Cm
9. Component Charts
9.1. Blade Loading Charts
Chart 10 Component 1 blade loading chart
9.2. Spanwise Charts
Chart 11 Component 1 chart showing circumferentially averaged flow angle at the LE
Chart 12 Component 1 chart showing circumferentially averaged flow angle at the TE
Chart 13 Component 1 chart showing circumferentially averaged Cm at the TE
1. Throughflow: Summary of
Quantitative Data
Table 1. Throughflow: Summary of Input and Performance Results
Rotation Speed
299.4990 [radian s^-1]
Mass Flow Rate
2.1458 [kg s^-1]
Volume Flow Rate
0.0021 [m^3 s^-1]
Inlet Total Pressure
0.0000 [Pa]
Inlet Swirl
0.0000 [degree]
Ref. Diameter
0.0946 [m]
Ref. Tip Speed
Ref. Density
14.1603 [m s^-1]
1029.4400 [kg m^-3]
Ref. Dynamic Viscosity
0.0000 [Pa s]
Ref. Flow Coefficient
0.0165
Ref. Reynolds Number
Input Power
76188000.0000
286.2000 [W]
Pressure Rise t-t
122109.0000 [Pa]
Pressure Rise t-s
87656.9000 [Pa]
Head t-t
12.0955 [m]
Head t-s
8.6829 [m]
Capacity Coefficient
0.0082
Head Coefficient
0.1478
Isentropic Efficiency t-t %
88.9000
Isentropic Efficiency t-s %
63.8200
Polytropic Efficiency t-t %
88.9000
Polytropic Efficiency t-s %
63.8200
2. Throughflow: Meridionial
Plots
Figure 1. Throughflow: Contour of Cm
Figure 2. Throughflow: Contour of Cu
Figure 3. Throughflow: Contour of P
Figure 4. Throughflow: Contour of Solution Error
3. Throughflow: Blade Row
Charts
3.1. Charts for Row 1
Chart 1. Throughflow: Relative Velocity (W) on Tip Streamline
Chart 2. Throughflow: Relative Velocity (W) on Mean Streamline
Chart 3. Throughflow: Relative Velocity (W) on Hub Streamline
Chart 4. Throughflow: Meridional Variation in Blade to Blade Loading Parameter
Chart 5. Throughflow: Meridional Variation in Beta (Blade and Flow Angles)
Chart 6. Throughflow: Meridional Variation in Static Pressure
Chart 7. Throughflow: Spanwise Variation in Loading Parameters
Chart 8. Throughflow: Spanwise Variation in Incidence and Deviation Angles
4. Introduction
This report summarizes the results of a CFD analysis performed for the pump geometry shown in
Figure 1. In the following sections both quantitative and qualitative results are presented in the
form of tables, charts and plots.
Figure 5. Complete meridional view of the flow passage and blades
5. Performance Results
The quantitative results are summarized in the following tables. The first table shows the overall
performance. The next series of tables shows the performance results for each stage.
5.1. Overall Performance Results
The following table gives the overall performance for the machine.
Table 2. Overall Performance Results Table
Inlet Volume Flow Rate
0.0120 [m^3 s^-1]
Reference Density
997.0000 [kg m^-3]
Head Rise
-15.2448 [m]
Input Power
244.6780 [W]
5.2. Stage Performance Results
The following table(s) give a summary of the performance results for each stage.
Table 3. Stage 1 Performance Results
Rotation Speed
Inlet Volume Flow Rate
Reference Density
Reference Diameter
Input Power
Capacity Coefficient
299.4990 [radian s^-1]
0.0120 [m^3 s^-1]
997.0000 [kg m^-3]
0.0472 [m]
244.6780 [W]
0.3818
Head Coefficient
-0.7476
Power Coefficient
0.0389
Total-to-Total Head
-15.2448 [m]
Total-to-Static Head
-18.9511 [m]
Total-to-Total Efficiency % -777.1330
Total-to-Static Efficiency % -924.3300
Diffuser Loss Coef., Y1
0.0050
Diffuser Loss Coef., Y2
0.0050
Diffuser Loss Coef., Y3
0.2289
Diffuser Loss Coef., Y4
0.2961
Diffuser Cp
-0.0022
6. Component Summary Data
The table(s) below give a summary of the mass or area averaged solution variables and derived
quantities computed at the inlet, leading edge (LE Cut), trailing edge (TE Cut) and outlet
locations. The flow angles Alpha and Beta are relative to the meridional plane.
Table 4. Component 1 Summary Data Table
Quanti
ty
Inlet
LE
Cut
TE
Cut
Outlet
TE/L
E
Density
997.0000
997.0000
Pstatic
1881320.0
000
Ptotal
Ptotal (rot)
TELE
997.0000
997.0000
N/A
1839100.0
000
1738020.0
000
1737930.0
000
N/A 101085.00 [Pa]
00
1925840.0
000
1921270.0
000
1776720.0
000
1767860.0
000
N/A 144559.00 [Pa]
00
1925820.0
000
1924740.0
000
1838760.0
000
1833180.0
000
N/A 85976.400 [Pa]
0
Head
196.9720
196.8670
182.4540
181.7270
N/A
-14.4129 [m]
Static Head
192.4180
183.4180
177.9170
178.0210
N/A
-5.5005 [m]
U
4.2481
4.9949
14.1414
14.9149
2.8312
9.1465
[m s^1]
Cm
9.4500
10.4884
6.5527
5.3816
0.6248
-3.9357
[m s^1]
Cu
0.0035
-0.7153
-4.4008
-4.3927
6.1521
-3.6855
[m s^1]
C
9.4500
11.2070
8.4726
7.3729
0.7560
-2.7344
[m s^1]
Wu
-4.2446
-5.7103
-18.5422
-19.3076
3.2471
-12.8319
[m s^1]
W
10.4322
12.8826
19.7485
20.1716
1.5330
6.8659
[m s^1]
Distortion
Parameter
1.0000
2.1004
1.2320
1.3195
0.5865
N/A
Flow
Angle:
Alpha
0.0217
-4.9216
-30.1203
-38.8627
N/A
-25.1987
[degre
e]
Flow
Angle:
-23.8495
-35.1863
-70.6565
-73.5289
N/A
-35.4703
[degre
e]
N/A
Uni
ts
[kg
m^-3]
Beta
7. Meanline 1-D Charts
The following charts show streamwise mass or area averaged quantities from the inlet to the
outlet of the full machine.
Chart 9. Chart showing streamwise, area averaged Cm versus averaged normalized M.
8. Stage Plots
The following plots show, for each stage, a meridional view of the geometry, blade-to-blade
contour and vector views, and circumferentially averaged meridional views.
8.1. Stage 1 Plots
Figure 6. Stage 1 meridional view of the flow passage and blades
Figure 7. Stage 1 contours of P at 50% span
Figure 8. Stage 1 velocity vectors at 50% span
Figure 9. Stage 1 contours of Ptr at 50% span
Figure 10. Stage 1 contours of circumferentially area-averaged P
Figure 11. Stage 1 contours of circumferentially area-averaged Cm
9. Component Charts
The following charts show blade loading and spanwise-averaged quantities for each component.
9.1. Blade Loading Charts
The following charts show the blade loading for each component.
Chart 10. Component 1 blade loading chart
9.2. Spanwise Charts
The following charts show circumferentially averaged quantities along hub-to-shroud lines
located at the leading and trailing edges of the blade.
Chart 11. Component 1 chart showing circumferentially averaged flow angle at the LE
Chart 12. Component 1 chart showing circumferentially averaged flow angle at the TE
Chart 13. Component 1 chart showing circumferentially averaged Cm at the TE