期刊
AEROSPACE SCIENCE AND TECHNOLOGY
卷 97, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2019.105648
关键词
High-order methods; Unstructured hybrid mesh; Rotorcraft; CFD; MUSCL; WENO
资金
- EPSRC [EP/P020259/1]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (Capes) [001, 88881.128864/2016-01]
- EPSRC [EP/P020259/1] Funding Source: UKRI
This paper concerns the implementation and evaluation of high-order reconstruction schemes for predicting three well established hovering rotor flows i.e. Caradonna and Tung, PSP and UH-60A. Monotone Upstream Centred Scheme for Conservation Laws (MUSCL) and Weighted Essentially Non Oscillatory (WENO) spatial discretisation schemes, up to fourth-order, are employed to approximate the compressible Reynolds Averaged Navier-Stokes (RANS) equations in a rotating reference frame, on mixed-element unstructured grids. Various flow speed conditions are simulated including subsonic and transonic, with the latter stretching the discontinuities capturing abilities of the numerics. We consistently evaluate the accuracy, cost and robustness of the developed numerical framework by analysing the discretisation error with respect to the grid resolution. A thorough validation is conducted for all cases by comparing the obtained numerical solutions with experimental data points and relevant literature. (C) 2019 The Authors. Published by Elsevier Masson SAS.
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