系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型，以及压缩机和膨胀阀的稳态流动模型。
The system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
根据非稳态导热集总参数法建立油船油舱保温数学模型，研制了油船货油保温计算软件。
The oil tanker heat preservation model is established and the software is developed based on transient heat conduction gathered parameter method.
提出了一个基于集总参数法的车用内燃机冷却系统动态传热模型。
A dynamic heat transfer model based on the lumped parameter method was developed for cooling system of vehicle internal combustion engine.
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