Automobile Model Scale Wind-Tunnel Test by Means of Aeronautical Wind-Tunnel

Paper #:
  • 950999

Published:
  • 1995-02-01
Citation:
Gao, L., Chen, Y., Gong, C., and Gao, Y., "Automobile Model Scale Wind-Tunnel Test by Means of Aeronautical Wind-Tunnel," SAE Technical Paper 950999, 1995, https://doi.org/10.4271/950999.
Pages:
7
Abstract:
A series of model scale wind - tunnel tests of box van trucks and buses are developed using an aeronautical wind - tunnel in order to improve the aerodynamic performance of Chinese - made commercial vehicles. Some technical problems, such as the influence of Reynolds number, the correction for blockage ratio and the correction for support interference,are studied. A “Separating Model and Support (SMS) method” for measuring support interference is proposed. The aerodynamic drag force coefficients for typical Chinese - made box van truck and bus at zero yaw angle are diminished by 28.96 percent and 26.5 percent separately.
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