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Optimizing Jets for Active Wake Control of Ground Vehicles

[+] Author Affiliations
Domenic L. Barsotti, Sandra K. S. Boetcher

Embry-Riddle Aeronautical University, Daytona Beach, FL

Paper No. IMECE2013-66659, pp. V013T14A027; 7 pages
doi:10.1115/IMECE2013-66659
From:
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 13: Transportation Systems
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5642-0
  • Copyright © 2013 by ASME

abstract

The present study investigates the simulation of slot jets on the rear of an Ahmed body to reduce drag. Improved Delayed Detached Eddy Simulation (IDDES) turbulence model is used to model flow separation and vortex shedding on a 25° Ahmed body. Several optimizations are conducted to maximize drag reduction with a net reduction of 16%. This is accomplished by creating a fluid structure in the wake.

Copyright © 2013 by ASME
Topics: Wakes , Jets , Vehicles

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