| Citation: | LIAO Daxiong, ZHANG Wanyu, LI Chunyu, et al. Parametric analysis of cooling process with load in large-space thermal cycle system[J]. Journal of Aerospace Power, 2023, 38（10）：2305-2316 doi: 10.13224/j.cnki.jasp.20210661
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Parameter optimization and analysis of cooling process with load in large-space thermal cycle system were carried out with numerical simulation methodology. A model car to carry and transfer the model and its temperature control chamber were taken as an example. The parameters for optimization and analysis consisted of inlet velocity, temperature and angle. The optimization was to obtain higher cooling rate and temperature uniformity. Results showed that the variation rate of average temperature and standard deviation of temperature of the model car increased with the inlet velocity, but the increment was decreased. According to the Strategy 1 proposed, in which inlet temperature decreased faster first and then slower, the optimal cooling rate and temperature uniformity could be obtained. The effect of the inlet angle on the cooling rate and temperature uniformity was less than the other two parameters. When the inlet angle varied between −15°−15°, the cooling rate and temperature uniformity of the model car barely changed, while it varied more in other angle ranges.
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