采用集总参数模型，推导了脉冲堆燃料元件瞬态温度场的计算公式；
The formula for calculating transient temperature field in pulse reactor fuel element is derived with lumped parameter models.
本文采用一种集总参数模型模拟计算了地热系统的物理状态和参数。
On the basic data of obseved water level, the physical behaviour of the Hamar geothermal field was simulated using a Lumped parameter model.
在对集总参数模型简化的基础上，给出了小型水体最大供冷面积与水体本身参数及气象参数间的经验计算式。
Based on the simplification of lumped parameter model, the experience calculation of maximum cooling area of small water body with its parameters and meteorological parameters is attained.
该文提出了一种用于动态过程集总参数模型的新的快速求解法，并将其应用于锅炉中单相工质汽温动态过程的集总参数模型。
A new fast solution method for lumped parameter dynamic model is put forward, and is applied to lumped parameter dynamic model for single-phase temperature in boiler.
在考虑空气系统的时间滞后基础上，基于集总参数模型利用MATLAB /SIMULINK软件平台建立电池的瞬态响应仿真模型。
Regarding to the time lag of air supply system software MATLAB / SIMULINK were utilized to create the simulation model of fuel cell dynamic output performance as power level changes.
目前在风冷热泵机组的仿真研究中，对蒸发器结霜过程的模拟主要是采用一些由实验拟合而成的集总参数模型，而这些模型往往是在特定的运行条件下得到的。
At present, the lumped parameter model of frost, which is based on experience and depend heavenly on the running condition, is widely used in simulation of air-cooled heat pump.
目前在风冷热泵机组的仿真研究中，对蒸发器结霜过程的模拟主要是采用一些由实验拟合而成的集总参数模型，而这些模型往往是在特定的运行条件下得到的。
At present, the lumped parameter model of frost, which is based on experience and depend heavenly on the running condition, is widely used in simulation of air-cooled heat pump.
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