The PPT includes aerodynamics of a bike model.

1. Air flow analysis on bike model developed in CATIA
Identical to Running Model
CFD ANALYSIS REPORT OF
BIKE MODEL

2. CFD Analysis by Soumya Dash on ANSYS 17.0
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Index
1. Objective
2. Result Summary
3. Geometry
4. Mesh
5. CFD Model
6. Plots

3. CFD Analysis by Soumya Dash on ANSYS 17.0
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Objective:- The objective of simulation is to study aerodynamics of Bike Model
Result Summary:-
Conclusion:
1. The counter for air flow velocity of 4.5m/s is generated.
Sl No.
Velocity
(PArameter)
Mass Flow
Rate
Hp inlet
velocity.
Hp outlet
velocity.
∆V
Lp inlet
Pre.
Lp outlet
Pre.
∆P
[m/s] [kg/hr] [m/s] [m/s] [m/s] [kPa] [kPa] [kPa]
1 2.0 21.65 2.0 2.02 0.02 0 1.68 1.68
2 2.5 24.27 2.5 2.86 0.36 0 2.96 2.96
3 4.5 31.05 4.5 5.38 0.88 0 4.85 4.85
4 6.5 43.65 6.5 8.63 1.86 0 8.36 8.36

4. CFD Analysis by Soumya Dash on ANSYS 17.0
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Geometry:- Bike Model Air flow domain
CFD Model derived from CAD model
CAD model
• An enclosure of air box is created around the
bike CAD model for aerodynamic analysis
Inlet
Outlet
5000mm
3500mm
2500mm
1000mm
1250mm
3000mm

5. CFD Analysis by Soumya Dash on ANSYS 17.0
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MESH:- Bike Model
• No of cells-9.1Million
• Patch Confirming Method Tet Mesh
• Orthogonal quality min. 0.60
• Skewness max. 0.57

6. CFD Analysis by Soumya Dash on ANSYS 17.0
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CFD Model:- Bike Model
CFD Fluent Model
Part1 Fluid Air
Part2 Solid Bike aluminium
Part3 Solid tyres Rubber
HP Inlet type
Velocity rate m/s 2.0
Velocity rate m/s 2.5
Velocity rate m/s 4.5
Velocity rate m/s 6.0
Outlet type
Pressure Pa 0
Pressure Pa 101325
Outlet
Pressure outlet
No of Itrertions
Total No of Itretions 1500
Operating Conditions
Fluent Calculations
Material type
Inlet
Velocity inlet

7. CFD Analysis by Soumya Dash on ANSYS 17.0
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Plots:- Bike Model

8. CFD Analysis by Soumya Dash on ANSYS 17.0
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Plots:- Bike Model

9. CFD Analysis by Soumya Dash on ANSYS 17.0
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Plots:- Bike Model

10. CFD Analysis by Soumya Dash on ANSYS 17.0
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Plots:- Bike Model

11. CFD Analysis by Soumya Dash on ANSYS 17.0
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Plots:- Bike Model

12. CFD Analysis by Soumya Dash on ANSYS 17.0
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Plots:- Bike Model