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Numerical Simulation of Exterior Flow Field Based on a Car

Daogao Wei

Abstract

This paper discusses the application of CFD method in a automobile in exterior flow field,based on the analysis of aerodynamic characteristics,calculates the drag coefficient and lift coefficient,simulates the different models with dif-ferent underbody diffuser angle and gets a good result which give the theory reference for the optimize design.

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Available abstract

Key concepts: Lift coefficient, Diffuser (optics), Aerodynamics, Lift (data mining), Computational fluid dynamics, Drag coefficient, Engineering, Flow (mathematics)