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分析了毛细抽吸两相流体回路（CPL）的启动过程，对蒸发器提出了物理模型和数学模型．将启动过程中蒸发器内毛细芯的传热过程看成是非稳态导热，对蒸发器壁采用集总参数法，应用能量守恒原理进行了分析求解，得到了CPL启动过程中蒸发器壁面温度随时间的变化规律．在建成的CPL3工程模型实验台上进行了实验，实验结果与理论值符合的较好．
The start-up process of capillary suction two-phase fluid circuit (CPL) was analyzed, and the physical model and mathematical model of the evaporator were proposed. The heat transfer process of the wick core in the evaporator is regarded as unsteady heat conduction. The lumped parameter method is used on the evaporator wall, and the energy conservation principle is used to analyze and solve. The temperature of the evaporator wall during the startup of the CPL Time changes. Experiments were carried out on the built-in CPL3 engineering model test bench. The experimental results are in good agreement with the theoretical values.