| Optimization on conventional and electric air-cycle refrigeration systems of aircraft: A short-cut method and analysis |
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| 作者姓名： | Hongsheng JIANG Sujun DONG Hainan ZHANG Fengming AI Zhiwei ZHANG Jun WANG |
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| 作者单位： | 1. School of Aeronautic Science and Engineering, Beihang University;2. Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences;3. Shenyang Aircraft Design and Research Institute |
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| 基金项目： | the financial supports from Pre-research Project of National Defense Foundation；;National Natural Science Foundation of China (No. 51706232)； |
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| 摘 要： | The air-cycle refrigeration system is widely used in commercial and military aircraft, and its efficiency greatly affects aircraft performance. Nowadays, this system requires a more efficient design and optimization method. In this paper, a short-cut optimization method with high efficiency and effectiveness is introduced for both conventional and electric air-cycle refrigeration systems.Based on the system characteristics, a four-layer parameter matching algorithm is designed which avoids compu...
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| 收稿时间： | 13 May 2019 |
Optimization on conventional and electric air-cycle refrigeration systems of aircraft: A short-cut method and analysis |
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| Hongsheng JIANG,Sujun DONG,Hainan ZHANG,Fengming AI,Zhiwei ZHANG,Jun WANG.Optimization on conventional and electric air-cycle refrigeration systems of aircraft: A short-cut method and analysis[J].Chinese Journal of Aeronautics,2020,33(7):1877-1888. |
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| Institution: | 1. School of Aeronautic Science and Engineering, Beihang University, Beijing 100083, China;2. Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;3. Shenyang Aircraft Design and Research Institute, Shenyang 110013, China |
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| Abstract: | The air-cycle refrigeration system is widely used in commercial and military aircraft, and its efficiency greatly affects aircraft performance. Nowadays, this system requires a more efficient design and optimization method. In this paper, a short-cut optimization method with high efficiency and effectiveness is introduced for both conventional and electric air-cycle refrigeration systems. Based on the system characteristics, a four-layer parameter matching algorithm is designed which avoids computational difficulty caused by simultaneous equations. Fuel penalty is chosen as the objective function of optimization; design variables are reduced based on sensitivity analysis to improve optimization efficiency. The results show that the 3-variable optimization of the conventional air-cycle refrigeration system can obtain almost the same results as the traditional 6-variable optimization in that these two optimizations can both significantly reduce the fuel penalty. However, the computer running time of the 3-variable optimization is much shorter than that of the 6-variable optimization. The optimal fuel penalty of the electric air-cycle refrigeration system is lower than that of the conventional one. This study can provide reference for optimizing the air-cycle refrigeration system of aircraft. |
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| Keywords: | Aircraft Air-cycle refrigeration Electric air-cycle refrigeration Parameter matching Sensitivity analysis |
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