数学模型

In order to verify the validity of the mathematical models and the calculation method, a series of experiments on the performance of an air-conditioner under variable conditions was conducted in the psychrometric rooms.The performances of the proto type under the different inlet air temperature of the condenser and evaporator, as well as the different face velocity of the condenser and evaporator was measured.

为了验证数学模型及计算方法的正确性，在焓差法空调器性能实验台上对一台房间空调器变工况性能进行了实验研究，测量了该空调器在不同的蒸发器和冷凝器进口空气温度、蒸发器和冷凝器迎面风速下的工作特性。

Numerical simulation for air cooling vertical falling film absorption of LiBr solution;2. The results obtained will be helpful for the development of air cooling absorber.

该文提出了风冷吸收器的设计方案，建立了风冷吸收器降膜吸收过程中传热、传质耦合问题的物理数学模型。

The air film thickness model was developed with considering the air compressibility and foil predeformation.

建立了考虑气体可压缩性、箔片预变形等因素的气膜厚度数学模型。

Function of air valve for water hammer protection is analyzed with method of characteristics through practical engineering example.

针对长距离有压输水系统的特点，从基本的空气动力学方程入手，分析推导了空气阀的数学模型，并采用水锤计算的特征线方法，进行了空气阀水锤防护的实例分析。

Research on water hammer characteristics of air valves Research on water hammer characteristics of air valves has been studied in experiments by establishing mathematical model of the air valve, using suitable method of numerical calculation, and comparing the experimental outcomes with theoretical analysis.

空气阀特性研究试验研究了作为水锤防护装置的空气阀的特性，建立了空气阀数学模型，通过合适的计算方法进行数值计算，并与试验进行了比较。

The method of combining that with horizontal airdrop principle is put forward;the mathematics model for that has been founded,and the relative error is analyzed,which supplies theory basis.

研究了目前先进的光电吊舱技术，提出了将水平空投原理和光电吊舱技术相结合的思想，建立了光电吊舱进行空投空降的数学模型，并进行误差分析。

In an earlier paper [2], we suggested the Mathematical model of helicopter rotor airfoil.

在[2]里，我们提出了直升机旋翼桨叶的数学模型。

The model of aircraft's ground motion is "operational",where the airframe has six degrees of freedom.

建立的飞机地面运动数学模型是"可操纵的"，机体有6个自由度。

First, the structure of the helicopter airscrew loading system is introduced. Then, the mathematic model of the single channel loading system is proposed, based on which its dynamic performance is analyzed.

论文首先介绍了直升机旋翼加载系统的结构，然后建立了单通道加载系统的数学模型，在此基础上分析了加载系统的动态性能并设计控制律。

In this thesis, the aerodynamic load simulation of one type of helicopter airscrew is studied, and the systems structure and its mathematic model are analyzed.

论文结合实际的工程项目，以某型号直升机旋翼气动载荷模拟为研究内容，对加载系统的组成、系统数学模型进行分析和研究。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。