Inversion of thermal parameters of aircraft fuel tank based on particle swarm optimization

被引：0
作者：
Du M. [1 ]
Lü X. [1 ]
Wei J. [1 ]
Yao S. [1 ]
机构：
[1] Power-Plant Institute, Chinese Flight Test Establishment, Xi’an
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2023年 / 38卷 / 01期
关键词：
flammability assessment; flight test; fuel tank thermal model; particle swarm optimization; thermal characteristic parameters;
D O I：
10.13224/j.cnki.jasp.20210360
中图分类号：
学科分类号：
摘要：
In order to obtain the thermal parameters of aircraft fuel tank for quantitative evaluation of flammability， relying on the assumption of establishing fuel tank thermal model with lumped parameter method， the inversion of thermal parameters of a certain aircraft central fuel tank was explored based on particle swarm optimization algorithm and flight test data. Four different parameters were selected as the objective functions to study the influences of the selection of the objective function on the inversion results of thermal parameters. Results showed that the output value of the fuel tank thermal parameter model was consistent with the experimental value， which proved the effectiveness of the method ； the maximum deviation between the model output and the experimental value was 2.62 K； finally， adding a penalty term to the overall mean square error could make the inversion thermal parameter model meet the requirements of airworthiness regulations. © 2023 BUAA Press. All rights reserved.
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页码：250 / 256
页数：6
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