为计算电厂烟风道设计中常见异形件的阻力，采用计算流体动力学方法研究了典型异形件的阻力系数。
The research indicates that, the method of Computational Fluid Dynamics can calculate the drag coefficient of the irregular parts in air and flue gas ducts appropriately.
采用异形销孔设计将是改变活塞内侧应力集中，提高裙部结构的安全系数，减少活塞裙部裂损的有效方法。
Using a special pin hole in design will be an effective method to change stress concentration on inside of piston, improve safety coefficient of skirt...
试验表明，在相同纺丝条件下，涤纶三叶异丝的断裂强伸度和初始模量随丝条异形度的提高而降低，而断裂强伸度变异系数、沸水收缩率和条干不匀率却随之增大。
The test has shown that as the degree of profile increases, the initial modulus and the breaking strength and elongation of profile yarn decreases. We have also quined the findi...
试验表明，在相同纺丝条件下，涤纶三叶异丝的断裂强伸度和初始模量随丝条异形度的提高而降低，而断裂强伸度变异系数、沸水收缩率和条干不匀率却随之增大。
The test has shown that as the degree of profile increases, the initial modulus and the breaking strength and elongation of profile yarn decreases. We have also quined the findi...
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