WANG S R, WANG B, QI Q, et al.Design of FSC racing intake system based on steady-transient simulation[J].Journal of Henan Polytechnic University(Natural Science) ,2022,41(5):105-113.

doi:10.16186/j.cnki.1673-9787.2021030030

Received:2021/03/08

Revised:2021/05/07

Published:2022/09/25

Design of FSC racing intake system based on steady-transient simulation

WANG Sirui, WANG Bin, QI Qi, WU Xiaojian

School of Advanced Manufacturing，Nanchang University，Nanchang 330031，Jiangxi，China

Abstract:According to the requirement of Formula Student China（FSC）competition，a restrictor valve should be used in the intake system of each racing engine.A simulation method of“Design Optimization-Analysis Verification”was thereby proposed to increase the intake volume and to improve the intake uniformity.First，The Venturi structure and Helmholtz theory were introduced to improve the intake volume.Subsequently，based on the design of experimental under the environment of ANSYS and GT power，the structure of the restrictor valve，the volume of the regulators chamber and the length of the manifold were optimized to further improve the intake efficiency of the engine.Then the steady-state numerical analysis method was used to optimize the intake uniformity by designing the intake manifold diffuser and the structure of the manifold bell.Finally，the one-dimensional and three-dimensional transient analysis of GT fluent was used to analyze and verify the intake volume and uniformity of the intake system of FSC racing car.The simulation results showed that，the method of fusion of steady-state analysis and one-dimensional-three-dimensional transient analysis proposed in this paper could effectively reduce the calculation consumption，and the design of fluidity and uniformity could meet the requirement.

Key words:FSC racing car;engine intake efficiency;intake uniformity;1D-3D coupled transient analysis

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