运用MATLAB软件对一变频多联室内机进行模拟仿真,分析研究了制冷工况下作为蒸发器和制热工况下作为冷凝器时制冷剂和室内空气温度随管长的变化情况,同时对制冷剂侧表面传热系数、室内机传热系数和蒸发压力沿程分布情况进行了仿真及分析.并将两种工况下的参数进行对比分析.%MATLAB language was used to mathematically simulate the indoor unit of frequency conversion air-conditioner. Based on the simulation model, change of the refrigerant and air temperature with the length of coil pipe with the unit as an evaporator under refriger-ation condition and as a condenser under heating condition was studied and analyzed. The surface heat transfer coefficient on the refrigerant side and heat transfer coefficient of the in-door unit and the evaporation pressure distribution along the coil pipe were simulated and an-alyzed. The parameters under the two operating conditions were also comparatively analyzed.
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