Flow over a cylinder
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FLOW OVER THE CLYLINDER /4 INCH PIPE |
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ABBREVIATION |
FORMULA USED |
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OD |
OUTER DIAMETER |
If dynamic Viscosity is known |
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|
ID |
INTER DIAMETER |
Re = |
δ*V*L |
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δ |
DENSITY OF MEDIUM |
μ |
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|
Re |
REYNOLDS NUMBER |
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L |
LENGTH OF PIPE |
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μ |
DYNAMIC VISCOSITY |
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ν |
KINEMATIC VISCOSITY |
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V |
VELOCITY OF MEDIUM |
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INPUT (SI UNIT) |
FINDING REYNOLDS NUMBER |
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PIPE SIZE = |
4 inch Sch 40 |
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OD = |
0.114 m |
TURBULENT FLOW |
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Wall Thick= |
0.006 m |
Re = |
890261.63 |
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ID = |
0.102 m |
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MEDIUM = |
AIR |
Factor = |
20.00% |
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δ = |
1.23 Kg/m³ |
Re = |
1068313.953 |
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L = |
0.50 m |
V = |
30.000 m/s |
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ν = |
1.33E-05 m²/s |
Factor = |
40.00% |
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Material = |
ASTM 106 GR.B |
Re = |
1246366.279 |
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Roughness = |
8.00E-07 m |
V = |
35.000 m/s |
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μ = |
1.72E-05 Pa-s |
Factor = |
100.00% |
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Velocity (V) = |
25.000 m/s |
Re = |
1780523.256 |
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V = |
50.000 m/s |
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|
Re @ |
890261.63 |
& V = |
25.000 m/s |
Time (T ) = |
0.04 s |
Step01: Computational Domain
VELOCITY PLOT
Pressure Plot
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Ambient Conditions |
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Thermodynamic parameters |
Static Pressure: 101325.00 Pa |
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Temperature: 293.20 K |
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|
Velocity parameters |
Velocity vector |
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Velocity in X direction: 25.000 m/s |
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Velocity in Y direction: 0 m/s |
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|
Velocity in Z direction: 0 m/s |
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MINIMUM AND MAXIMUM TABLE |
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DESCRIPTION |
Minimum |
Maximum |
|
Density (Fluid) [kg/m^3] |
1.2 |
1.21 |
|
Pressure [Pa] |
100808.3 |
101740.13 |
|
Temperature [K] |
292.86 |
293.51 |
|
Temperature (Fluid) [K] |
292.86 |
293.51 |
|
Velocity [m/s] |
0 |
35.929 |
|
Velocity (X) [m/s] |
-7.28 |
33.919 |
|
Velocity (Y) [m/s] |
-22.609 |
22.736 |
|
Velocity (Z) [m/s] |
-19.163 |
19.191 |
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Velocity RRF [m/s] |
0 |
35.929 |
|
Relative Pressure [Pa] |
-516.7 |
415.13 |
|
Re @ |
1068313.95 |
& V = |
30.000 m/s |
Time (T ) = |
0.03 s |
VELOCITY PLOT
Pressure Plot
|
Ambient Conditions |
|
|
Thermodynamic parameters |
Static Pressure: 101325.00 Pa |
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Temperature: 293.20 K |
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|
Velocity parameters |
Velocity vector |
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Velocity in X direction: 30.000 m/s |
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|
Velocity in Y direction: 0 m/s |
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|
Velocity in Z direction: 0 m/s |
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|
MINIMUM AND MAXIMUM TABLE |
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|
DESCRIPTION |
Minimum |
Maximum |
|
Density (Fluid) [kg/m^3] |
1.2 |
1.21 |
|
Pressure [Pa] |
100587.36 |
101920.68 |
|
Temperature [K] |
292.74 |
293.65 |
|
Temperature (Fluid) [K] |
292.74 |
293.65 |
|
Velocity [m/s] |
0 |
42.47 |
|
Velocity (X) [m/s] |
-8.991 |
40.022 |
|
Velocity (Y) [m/s] |
-26.937 |
26.906 |
|
Velocity (Z) [m/s] |
-22.99 |
23.009 |
|
Velocity RRF [m/s] |
0 |
42.47 |
|
Relative Pressure [Pa] |
-737.64 |
595.68 |
|
Re @ |
1246366.28 |
& V = |
35.000 m/s |
Time (T ) = |
0.03 s |
VELOCITY PLOT
Pressure Plot
|
Ambient Conditions |
|
|
Thermodynamic parameters |
Static Pressure: 101325.00 Pa |
|
Temperature: 293.20 K |
|
|
Velocity parameters |
Velocity vector |
|
Velocity in X direction: 35.000 m/s |
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|
Velocity in Y direction: 0 m/s |
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|
Velocity in Z direction: 0 m/s |
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|
MINIMUM AND MAXIMUM TABLE |
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|
DESCRIPTION |
Minimum |
Maximum |
|
Density (Fluid) [kg/m^3] |
1.19 |
1.21 |
|
Pressure [Pa] |
100256.36 |
102135.03 |
|
Temperature [K] |
292.55 |
293.81 |
|
Temperature (Fluid) [K] |
292.55 |
293.81 |
|
Velocity [m/s] |
0 |
49.958 |
|
Velocity (X) [m/s] |
-10.492 |
47.603 |
|
Velocity (Y) [m/s] |
-31.557 |
31.597 |
|
Velocity (Z) [m/s] |
-27.027 |
26.845 |
|
Velocity RRF [m/s] |
0 |
49.958 |
|
Relative Pressure [Pa] |
-1068.64 |
810.03 |
|
Re @ |
1780523.26 |
& V = |
50.000 m/s |
Time (T ) = |
0.02 s |
VELOCITY PLOT
Dear Sir,
Plse find the attachment of the report