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Shock wave instability in front of a cylinder over an expansion corner

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Title: Shock wave instability in front of a cylinder over an expansion corner

Authors: Alexander Kuzmin

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2016

Volume: 11

Issue: 24

Language: English

Categories
Shock Waves (5) Compressible Flow (1) Fluid Dynamics (835) Aerospace Engineering (534) Aerodynamics (107)

Abstract

We study numerically transonic flow past a cylinder located above a convex corner. The cylinder produces a detached shock which interacts with the expansion flow region over the corner. Solutions of the Reynolds-averaged Navier-Stokes equations are obtained with a finite-volume solver of second-order accuracy on fine meshes. The dependence of 2D shock position on the free-stream Mach number, Reynolds number, corner angle, and rounding arc is studied. Also 3D flow simulations for two spans of the cylinder are discussed.

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