The invention belongs to the technical field of aircraft thermal management, and relates to an energy-optimized aircraft electromechanical system thermal management method. The method comprises the steps: introducing a part of ram air absorbing heat of a heat source into a fuel tank and airborne nitrogen making equipment through a first pipeline to serve as a fuel tank pressurization air source and an airborne nitrogen making supplementary air source; leading out air from the rear end of the engine outer culvert fan to serve as a cold source to be led into the cold fuel tank heat exchanger, and soaking the cold oil tank heat exchanger in fuel oil of the fuel tank. The use mode of ram air is optimized, the air source serves as an air source of an oil tank pressurization and airborne nitrogen generation system, the air entraining amount of the engine is effectively reduced, the cold fuel tank is designed, air is led out from the rear portion of an outer culvert fan of the engine to serveas a cold source, fuel oil is cooled, the temperature of the fuel oil is reduced, and the heat sink capacity of the fuel oil is improved.
本申请属于飞机热管理技术领域,涉及一种能量优化的飞机机电系统热管理方法。所述方法包括将吸收热源热量后的冲压空气的一部分通过第一管路引入燃油箱及机载制氮设备,作为油箱增压的气源及机载制氮的补充气源;从发动机外涵风扇后端引出空气作为冷源引入冷油箱换热器,所述冷油箱换热器浸泡在燃油箱的燃油中。本申请优化了冲压空气的使用方式,利用这部分气源作为油箱增压和机载制氮系统的气源,有效减少了发动机的引气量,通过设计冷油箱,从发动机外涵风扇后引出空气作为冷源,冷却燃油,降低了燃油的温度,提高了燃油的热沉能力。
Energy-optimized aircraft electromechanical system thermal management method
一种能量优化的飞机机电系统热管理方法
2020-04-17
Patent
Electronic Resource
Chinese
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