Rapid evaluation and optimization methods of the regenerative cooling channel of supersonic combustor based on fin efficiency
文献类型：期刊论文
| 作者 | Gao EK(高尔康)1,2; Fan WH(范文慧)2; Zhong FQ(仲峰泉)1,2 |
| 刊名 | APPLIED THERMAL ENGINEERING
 |
| 出版日期 | 2025-11-15 |
| 卷号 | 279页码:14 |
| 关键词 | Regenerative cooling Fin efficiency Rapid evaluation Parameter optimization Heat transfer model |
| ISSN号 | 1359-4311 |
| DOI | 10.1016/j.applthermaleng.2025.127612 |
| 通讯作者 | Fan, Wenhui(fanwenhui@imech.ac.cn) |
| 英文摘要 | Hypersonic vehicles face extreme thermal challenges in supersonic combustors and necessitate advanced regenerative cooling strategies. To achieve the optimal design of regenerative cooling structures, accurate and rapid prediction for cooling flow fields and efficient optimization for cooling structures are essential. This study introduces a novel theoretical model which integrates fin efficiency analysis with thermal resistance modeling to rapidly evaluate and optimize the heat transfer performance of regenerative cooling channels. A theoretical heat transfer model is established to enable efficient prediction of cooling flow parameters under varied structural parameters. And the theoretical model is validated by numerical simulations with relative deviations in hot wall temperature (T-wh) of 0.6 %. The effect of aspect ratio (R) and included angle (alpha) of cooling channels on heat transfer performance are investigated respectively. Results demonstrate that when the R is within the range of 0.75 to 2, T-wh will first increase and then decrease as R increases. T-wh is the lowest when the aspect ratio is 0.75, but the uniformity of the spanwise distribution of T-wh increases monotonically with the increase of R. Similarly, trapezoidal channels with larger alpha reduce T-wh but decrease the uniformity of T-wh as well. Genetic algorithm optimization identifies optimal configurations (R = 0.75, alpha = 110 degrees), yielding T-wh values of 1028.26 K (combustion section) and 640.44 K (isolation section), corroborated by simulations with deviation less than 0.2 %. Structural integrity analysis reveals localized stress concentrations (similar to 400 MPa) near channel corners, necessitating design considerations for thermal fatigue mitigation. The proposed methodology offers a computationally efficient alternative to conventional numerical approaches, providing critical insights for thermal management in hypersonic propulsion systems. |
| 分类号 | 一类 |
| WOS关键词 | HEAT-TRANSFER ; AVIATION KEROSENE ; HYDROCARBON FUEL ; MODEL |
| 资助项目 | Natural Science Foundation of China[12272381] ; Aviation Science Foundation[2023M039032001] ; Strategic Priority Research Program of Chinese Academy of Science[XDB 0620402] |
| WOS研究方向 | Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics |
| 语种 | 英语 |
| WOS记录号 | WOS:001541346700002 |
| 资助机构 | Natural Science Foundation of China ; Aviation Science Foundation ; Strategic Priority Research Program of Chinese Academy of Science |
| 其他责任者 | 范文慧 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/102190]  |
| 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.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, State Key Lab High Temp Gas Dynam, Inst Mech, Beijing 100190, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Gao EK,Fan WH,Zhong FQ. Rapid evaluation and optimization methods of the regenerative cooling channel of supersonic combustor based on fin efficiency[J]. APPLIED THERMAL ENGINEERING,2025,279:14. |
| APA | 高尔康,范文慧,&仲峰泉.(2025).Rapid evaluation and optimization methods of the regenerative cooling channel of supersonic combustor based on fin efficiency.APPLIED THERMAL ENGINEERING,279,14. |
| MLA | 高尔康,et al."Rapid evaluation and optimization methods of the regenerative cooling channel of supersonic combustor based on fin efficiency".APPLIED THERMAL ENGINEERING 279(2025):14. |
入库方式： OAI收割
来源：力学研究所
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