IDDES method based on differential Reynolds-stress model and its application in bluff body turbulent flows
文献类型：期刊论文
| 作者 | Wang, Gang2 ; Li, Quanzheng2; Liu, Yi1
|
| 刊名 | AEROSPACE SCIENCE AND TECHNOLOGY
 |
| 出版日期 | 2021-12-01 |
| 卷号 | 119页码:13 |
| 关键词 | Detached-eddy simulation Reynolds-stress model Massively separated flows Tandem cylinders Launch vehicle Transonic buffet |
| ISSN号 | 1270-9638 |
| DOI | 10.1016/j.ast.2021.107207 |
| 通讯作者 | Liu, Yi(liuyi@imech.ac.cn) |
| 英文摘要 | A general construction approach for a class of detached-eddy simulation (DES) methods with the turbulent length-scale equation is presented in this study. It supports the rationality of the construction and provides a theoretical estimation of the model coefficients in DES simulation. By using the construction approach, a differential Reynolds-stress model (RSM), referred to as Speziale-Sarkar-Gatski (SSG)/Launder-Reece-Rodi (LRR)-omega RSM, is built into the improved delayed DES (IDDES) method. After calibration of the model parameters in the IDDES method and basic validation for decaying isotropic turbulence, the RSM-based IDDES approach is then applied to simulate the massively separated flows around the tandem cylinders and the transonic buffet flow over a hammerhead launch vehicle. The simulations are validated by the available experimental data, and the performance is evaluated by means of instantaneous, statistical, spectral analysis of the numerical data. It is found that the RSM-based IDDES method shows better performance comparing with the k-omega shear-stress transport (SST)-based IDDES method, especially for predicting the development of massively separated flows behind the bluff body. (c) 2021 Elsevier Masson SAS. All rights reserved. |
| WOS关键词 | DETACHED-EDDY SIMULATION |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000788607600011 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/89105]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 通讯作者 | Liu, Yi |
| 作者单位 | 1.Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China 2.Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Gang,Li, Quanzheng,Liu, Yi. IDDES method based on differential Reynolds-stress model and its application in bluff body turbulent flows[J]. AEROSPACE SCIENCE AND TECHNOLOGY,2021,119:13. |
| APA | Wang, Gang,Li, Quanzheng,&Liu, Yi.(2021).IDDES method based on differential Reynolds-stress model and its application in bluff body turbulent flows.AEROSPACE SCIENCE AND TECHNOLOGY,119,13. |
| MLA | Wang, Gang,et al."IDDES method based on differential Reynolds-stress model and its application in bluff body turbulent flows".AEROSPACE SCIENCE AND TECHNOLOGY 119(2021):13. |
入库方式： OAI收割
来源：力学研究所
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