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Improved Delayed Detached-Eddy Simulation of Transonic and Supersonic Cavity Flows

  • Kunyu Luo
  • Zhixiang XiaoEmail author
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 130)

Abstract

Transonic and supersonic flows past the M219 cavity with a 5:1:1 aspect ratio are studied using Improved Delayed Detached-Eddy Simulation (IDDES) on a high-quality structured mesh. Comparisons with available experimental and LES data corresponding to the same configuration demonstrate a high level of accuracy at \(Ma=0.85\). The broadband content and the Rossiter modes are captured. Numerical results for a \(Ma=1.5\) inflow are also presented and compared. Typical flow characteristics, such as shear layer instability, vortex impingements and pressure feedback, are well predicted by IDDES.

Keywords

Shear Layer Turbulent Kinetic Energy Cavity Flow Shear Layer Instability Cavity Floor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This work is supported by the National Science Foundation of China (Grant No. 11372159). The authors also thank Tsinghua National Laboratory for Information Science and Technology for the computation resources.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.School of Aerospace EngineeringTsinghua UniversityBeijingChina

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