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根据传热学基本原理建立了主要液压系统元件的数学模型 ,运用差分法对飞机液压系统中液压油和壳体的动态传热过程进行了研究 ,为飞机液压系统在各种工况下的温度变化趋势进行预测提供了一种有效的工具。本文对某型教练机的液压系统在地面试车及飞行中减速板收放两种工况下进行了数值预测与仿真 ,计算结果与实验数据吻合较好
According to the basic principle of heat transfer, a mathematical model of the main hydraulic system components is established. The differential heat transfer process of the hydraulic oil and the shell in the hydraulic system of the aircraft is studied. The temperature of the hydraulic system of the aircraft under various working conditions Forecasting trends provides an effective tool. In this paper, a type of trainer hydraulic system in the ground test run and fly board retractable in two cases under the numerical prediction and simulation, the calculated results agree well with the experimental data