Numerical investigation of unsteady aerodynamic characteristics induced by the interaction of oblique/bow shock waves during rotation
文献类型：期刊论文
| 作者 | Wang DG(王大高); Han GL(韩桂来) ; Liu MK(刘美宽); Jiang ZL(姜宗林)
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| 刊名 | PHYSICS OF FLUIDS
 |
| 出版日期 | 2023-08-01 |
| 卷号 | 35期号:8页码:86124 |
| ISSN号 | 1070-6631 |
| DOI | 10.1063/5.0159710 |
| 英文摘要 | The interactions between oblique and bow shock waves are significant problems related to the aerodynamic force and thermal performance of hypersonic vehicles, but few studies have considered the dynamic effect of the body's motion on the phenomena. In this work, a numerical study on the oblique and bow shock waves ahead of an elliptic cylinder rotating with a forced-oscillation approach was conducted at Mach 5 by solving the unsteady, two-dimensional Navier-Stokes equations in a non-inertial coordinate system. The hysteresis loops of aerodynamic coefficients were analyzed first, and it was found that the moment is sensitive to rotation. Then, two different hysteresis forms were found at positive and negative angles of rotation (AOR), corresponding to cases with the interference point above or below the wall, respectively. When AOR is positive, the rate-dependent transition hysteresis among various shock interaction types causes the movement of strong flow structures (reflected shock wave, Mach stem, and jet) to always lag behind the body's motion. When AOR is negative, besides the evolution hysteresis of flow structures, two unusual patterns between Edney Types III and VI were observed on different transition paths, which led to very different peak pressures. Also discussed are the driving mechanisms associated with the effect of the subsonic region and the downstream boundary of the interaction zone, as well as the modulating action of the formed virtual Laval flow channel. Additional simulations were performed to study the effect of rotation speed on the transition boundary and the transition structures between Types III and VI. |
| 分类号 | 一类/力学重要期刊 |
| WOS研究方向 | Mechanics ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:001053895200002 |
| 资助机构 | This work was supported by the National Natural Science Foundation of China (Nos. 12132017, 11872066, and 11727901) and National Key Ramp ; amp ; D Program of China (No. 2022YFB3207000). [11872066, 11727901, 2022YFB3207000] ; National Natural Science Foundation of China ; National Key Ramp ; amp ; D Program of China ; [12132017] |
| 其他责任者 | Han, GL (corresponding author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China. ; Han, GL (corresponding author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China. |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/92662]  |
| 专题 | 力学研究所_高温气体动力学国家重点实验室 |
| 作者单位 | 1.{Wang Dagao, Han Guilai, Liu Meikuan, Jiang Zonglin} Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China 2.{Wang Dagao, Han Guilai, Liu Meikuan, Jiang Zonglin} Chinese Acad Sci Inst Mech State Key Lab High Temp Gas Dynam Beijing 100190 Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang DG,Han GL,Liu MK,et al. Numerical investigation of unsteady aerodynamic characteristics induced by the interaction of oblique/bow shock waves during rotation[J]. PHYSICS OF FLUIDS,2023,35(8):86124. |
| APA | 王大高,韩桂来,刘美宽,&姜宗林.(2023).Numerical investigation of unsteady aerodynamic characteristics induced by the interaction of oblique/bow shock waves during rotation.PHYSICS OF FLUIDS,35(8),86124. |
| MLA | 王大高,et al."Numerical investigation of unsteady aerodynamic characteristics induced by the interaction of oblique/bow shock waves during rotation".PHYSICS OF FLUIDS 35.8(2023):86124. |
入库方式： OAI收割
来源：力学研究所
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