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Air flow analysis on bike model developed in CATIA Identical to Running Model
CFD ANALYSIS REPORT OF BIKE
MODEL
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CFD Analysis by Soumya Dash on ANSYS 17.0
Index
1. Objective2. Result Summary3. Geometry4. Mesh 5. CFD Model6. Plots
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CFD Analysis by Soumya Dash on ANSYS 17.0
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
RateHp 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 1.682 2.5 24.27 2.5 2.86 0.36 0 2.96 2.963 4.5 31.05 4.5 5.38 0.88 0 4.85 4.854 6.5 43.65 6.5 8.63 1.86 0 8.36 8.36
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CFD Analysis by Soumya Dash on ANSYS 17.0
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
3500mm2500mm
1000mm
1250mm3000mm
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CFD Analysis by Soumya Dash on ANSYS 17.0
MESH:- Bike Model
• No of cells-9.1Million• Patch Confirming Method Tet Mesh• Orthogonal quality min. 0.60• Skewness max. 0.57
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CFD Analysis by Soumya Dash on ANSYS 17.0
CFD Model:- Bike Model
CFD Fluent Model
Part1 Fluid AirPart2 Solid Bike aluminiumPart3 Solid tyres Rubber
HP Inlet typeVelocity rate m/s 2.0Velocity rate m/s 2.5Velocity rate m/s 4.5Velocity rate m/s 6.0
Outlet typePressure Pa 0
Pressure Pa 101325
OutletPressure outlet
No of Itrertions
Total No of Itretions 1500
Operating Conditions
Fluent CalculationsMaterial type
Inlet Velocity inlet
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CFD Analysis by Soumya Dash on ANSYS 17.0
Plots:- Bike Model
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CFD Analysis by Soumya Dash on ANSYS 17.0
Plots:- Bike Model
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CFD Analysis by Soumya Dash on ANSYS 17.0
Plots:- Bike Model
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CFD Analysis by Soumya Dash on ANSYS 17.0
Plots:- Bike Model
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CFD Analysis by Soumya Dash on ANSYS 17.0
Plots:- Bike Model
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CFD Analysis by Soumya Dash on ANSYS 17.0
Plots:- Bike Model
