采用集总参数法研究了车用内燃机冷却系的传热问题 ；
The heat transfer is studied by using lumped 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.
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.
文中讨论了振动参数的确定方法，以原质变参数和换质定参数两种集总参数法的计算结果与实测结果进行对比。
The methods for determining vibration parameters are discussed. The data obtained in the vibration measurement of foundation of vibration table are compared with those obtained by computation.
结果显示，采用集总参数法计算车辆传动装置的传热是可行的，所建立的传热仿真模型具有较好的仿真精度，可以用于齿轮传动箱的热工况研究。
The result shows that the method is feasible, the whole model has a high computational accuracy. The model has a good imitate accuracy, and can be used for the calculation …
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+法建立油轮油舱加热数学模型，研制了油轮货油加热计算软件。
The oil tanker heating model is established and the software is developed based on transient heat conduction gathered parameter method.
根据非稳态导热集总参数+法建立油轮油舱加热数学模型，研制了油轮货油加热计算软件。
The oil tanker heating model is established and the software is developed based on transient heat conduction gathered parameter method.
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