负重轮

A theoretical model is built to investigate the simulation of the infrared characteristic of the metal structure with the PCM false target.Structure parameters of the PCM false target that suit for the simulation are investigated numerically.According to the results,further request on the improvement of the thermal conductivity of PCM is presented.An experimental platform is built and the numerical model is validated experimentally.Three key thermal characteristic components of the false tank(barbette,wheel and front armor plate) are manufactured and tested,and good results are obtained.A method for the thermal conductivity enhancing of PCM by using aluminum fins is studied,the influence of the structure parameters of PCM plates to the simulation effects are investigated numerically,and the reasonable configuration parameters of the PCM plates used to simulate the steel plates of different thickness are obtained.In the study of the application of heat convection method in IR false target,a passive infrared simulation system is designed to simulate the infrared characteristic of metal constructions.The system is made up of pipe-plate,pump,receiver,and working fluid.

在相变材料应用于红外示假的研究中，通过数值模拟，研究确定了适用于制作假目标的相变材料各物性参数的范围，分析了相变材料制作假目标的可行性，并根据所得结果，选取石蜡为研究对象，建立了相变材料模拟金属构件红外特征的理论模型，研究了适用于模拟各金属构件红外特征的相变材料假目标的相关结构参数，得出了相变材料假目标模拟各金属构件红外特征的理论结果，并对相变材料的导热系数这一物性提出了进一步的改进要求；搭建了假目标实验平台，验证了所建理论模型的准确性；以坦克假目标为研究对象，制作了炮塔、负重轮和前上装甲板三个坦克假目标的关键红外热特征部件，并进行了野外实验，取得了较好的结果；以添加铝肋片作为改进相变材料导热能力的手段，理论研究了此类导热增强型相变材料的相关结构参数对模拟效果的影响，得出了模拟不同厚度钢板红外特征的导热增强型相变材料的结构参数及模拟效果。

Round the actual weight is loaded through the load bearing axle parts, such as the role of the body in the weight-bearing load of the central hole roulette wheel, the weight-bearing pressure rim round the bottom of rubber board in the track.

负重轮的实际受载情况是负重轮轴通过轴承等零件将车体载荷作用在负重轮轮盘的中心孔上，负重轮下方橡胶轮缘压在履带板上。

In order to increase the fatigue life of road wheels, a kind of double layer rubber flange is put forward.

为提高负重轮的疲劳寿命，提出了一种双层橡胶轮缘的方案。

By the reaction force and the principle of self-loading wheel, if neglected, the set of rubber flange with the set of the actual situation is equivalent.

由作用力与反作用力原理，如果忽略负重轮自重，则橡胶轮缘的受载情况与实际的受载情况是等效的。

It differed from the TKS tankette by using side clutches in a transmission and bigger idler wheels, which were last roadwheels as well.

和TKS不同的是传动装置采用了侧离合器和一个更大的诱导轮，同时也是最后一个负重轮。

Some of the parts, like two of the three gun mantlets included, go only with one of the other kit variants and are unused for the parts box.

部分零件和IS-1、ISU、IS-2（1944）通用，如负重轮和履带。有一些多余零件，如另外的炮的防盾。

Each side of the tank housed four aluminum rubber-lined road wheels of 813 mm diameter.

坦克的每侧都安装有四个直径813mm铝制橡胶轮缘负重轮。

This drum is fixed to the road wheel and rotates with it.

这个鼓轮固定在负重轮上，并随之转动。

Under the condition of three kinds of nonlinearity the stress and strain distribution of the road wheel is calculated with finite element analysis software ANSYS.

建立了负重轮的三种三维有限元力学模型，在考虑三重非线性的情况下，用ANSYS有限元分析软件计算了负重轮的应力应变分布。

Road wheel rim rubber tanks tanks moving as an important component of the flange for rigidity and strength of analysis, can improve the weight-bearing rubber wheel rims in their work performance.

坦克负重轮橡胶轮缘作为坦克行进中的重要部件，对该轮缘进行刚度和强度分析，可以提高负重轮橡胶轮缘在工作中的性能。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了