| Citation: | ZHAI Yanjun, FAN Rujun, WANG Xuhui, et al. Thermal dynamic simulation and temperature control for aircraft thermal management system[J]. Journal of Aerospace Power, 2025, 40（5）：20230045 doi: 10.13224/j.cnki.jasp.20230045
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To address the issues of fully utilizing for heat dissipation of the fighter, a thermal dynamic analysis of the aircraft thermal management system was carried out in the whole mission profile through theoretical analysis and modeling, and the temperature control strategy of the fuel system was studied. Firstly, the thermodynamic equation of the hydraulic system was proposed by using the control volume method based on power loss, and the primary factors of the heat generation of the hydraulic pump and hydraulic system were analyzed. Secondly, the simulation platform of thermal management system was established to analyze the temperature variation characteristics of thermal management system, as well as the thermal endurance of aircraft under a given flight profile. Finally, the heat sink scheduling and temperature control strategies were proposed to improve the thermal endurance of aircraft by 23.4% and 29.2%, respectively. The main results can provide an important basis for the design of the thermal management system and the temperature control of the fuel system.
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