Paper Title:

Unsteady Compressible Flow over Heaving Bodies Using an Implicit RANS Solver

Periodical Applied Mechanics and Materials (Volumes 110 - 116)
Main Theme Mechanical and Aerospace Engineering, ICMAE2011
Chapter Chapter 22: Metrology and Measurement
Edited by Wu Fan
Pages 4589-4597
DOI 10.4028/www.scientific.net/AMM.110-116.4589
Citation K. Siva Kumar et al., 2011, Applied Mechanics and Materials, 110-116, 4589
Online since October, 2011
Authors K. Siva Kumar, Sharanappa V. Sajjan
Keywords Dual Time Stepping, Implicit Method, Plunging Wing, RANS Solver, Unsteady Flow
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Unsteady Reynolds-Averaged Navier-Stokes computations are presented for the flow over a pure plunging aerofoil and a plunging wing. The implicit RANS solver used for obtaining time-accurate solution is based on implicit finite volume nodal point spatial discretization scheme with dual time stepping. Baldwin and Lomax turbulence model has been used for the turbulence closure. The results are obtained in the form of aerodynamic coefficients, thrust coefficient and propulsion efficiency for two different cases over the aerofoil and wing and are compared with available literature.

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