接触热阻 meaning in Chinese
contact thermal resistance
thermal boundary resistance
thermal contact resistance
Examples
- Thermal contact resistance
接触热阻 - The application of the first technology can resolve the problem that the fin - root is easy to corrode , effectively reduce the contact heat resistance between the fin - root and the tube , and enhance the heat transfer performance of the heat exchanger
采用先镀后胀再镀加工工艺，不仅解决了肋片管式冷凝换热器肋基处易腐蚀问题，而且明显降低了肋基处肋片与肋管的接触热阻，增强了换热器的换热性能。 - Thermal contact resistance is calculated by fem . the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models
本文采用有限单元法数值计算接触热阻，提出控制角为30的三角形模型具有较高的精度，给出接触热阻的近似计算公式，并分析了表面粗糙度对接触热阻的影响。 - Abstract : the concept of equivalent heat channel is adopted to simplify the prdiction of thermal contact resistance . after establishing the model of contact surface , the definitive parameters in equivalent heat channel of the thermal contact resistance are gained . and the whole thermal contact resistance is composed of the parallel connected equivalent heat channels
文摘:采用当量热流通道的概念对接触热阻的预测进行简化分析，即对表面情况建立相应的表面模型后，确定出当量热流通道上的各个参数，整个接触面上的接触热阻即可视为有多个当量热流通道形成的接触热阻并联而成，从而可以预测出两个物体间的接触热阻。 - The result of the calculation for tip clearance is reasonable when it is compared with theory . two ways are put forward for convention of dimension of the turbine components from high temperature to low one , which is related with tip clearance , a simple example is used to illuminate that the two ways are useful , using the method of design optimization , axiisk and a blade of a certain turhine is analysed , it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components . finally , ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed , am using a new method to deal with thermal contact resistance in the calculation
本文完善了计算涡轮叶尖间隙的简化算法程序，增加了程序的计算功能，并将其应用于某高压涡轮进行叶尖间隙分析，所得结果与理论结果进行了对比，得出修改后的程序用于叶尖间隙计算是合理的；同时提出了与叶尖间隙相关的涡轮典型部件的冷、热态的尺寸两种换算方法，使用优化设计的方法进行了实例分析，说明了所提出的计算方法是可行的；最后应用ansys有限元软件利用循环对称的方法分析了某型发动机高压涡轮在温度场及离心力作用下的叶尖间隙在发动机工作过程中变化情况，并分析了计算中的接触热阻的处理问题。