Dept. of Mechanical Engineering, Cambridge Institute of Technology,Tatisilwai, Ranchi, India and Hindustan Urvarak and Rasayan Limited,New Delhi, India
abdul147mech@gmail.com
Abstract : The choice of car is often made on the basis of fuel efficiency cost and comfort. However
for general purpose fuel efficiency is the most important factor that is responsible for the overall
popularity of a car of any make fuel efficiency is depend upon the performance of internal combustion
engine and also on the aerodynamic design body of the car. Aerodynamic styling of car is one of the
most crucial aspects of car design. In compassing task on artful integration of CAD modelling, The
objective of the present study is computational fluid dynamics (CFD) analysis of a 3-D car model to
find the aerodynamic design parameters.Computational Fluid Dynamics (CFD) is the numerical
techniques to solve the equations of fluid flow. CFD tool is found very useful in automobile industry
3-D solid model of the car of different make will be constructed by using pro-engineering software
and the analysis was done on ansys software. The aerodynamic analysis of the design parameter of
car will be performed by using a suitable turbulence model and to compare the drag coefficient and
drag force of different model car (Maruti Alto, Maruti Omni Omni and Tata Indica). The result
obtained from CFD analysis will be validated by field/experimental studies. The result of software
analysis has agreed excellently with field experimentally results.
Keyword : CAD, CFD, Pro-E, Ansys, Drag coefficient