To calculate numerically the radiation of a enclosure within a heteromorphosis cavity, attention was focused on: how to decide the visibility between two surfaces, how to improve the old method of configuration factor computation, how to approximately and efficiently decide the radiation resource of directional, spectral radiation in cavity.
讨论了解决异型封闭腔辐射几何学问题的几种方法 :异型封闭腔内 ,表面间可见性的判断方法 ;优化异型封闭腔角系数计算的方法 ;确定异型封闭腔内定向辐射的壁面辐射源的方法 。
Tooling design method is very important to form the shaped tube.
异型钢管成型的轧辊设计是生产中的关键技术,采用计算机辅助设计技术,实现了高精度、复杂轮廓轧辊的优化设计,缩短了轧辊设计周期,降低了制造调试成本,使得异型管的成型设计不再是主要依赖设计者的经验以及依靠调试修正的试错法。
Effect of Oscillation Field on Polymer Melt Flow in Extrusion Die of Profile;
振动场对聚合物熔体在异型材挤出口模内的流动影响
Design of Extrusion Die for PA66 Heat Insulating Profile for Window;
PA66窗用隔热异型材挤出模具设计
Numerical Simulation of the Melt Flow Characteristics in Coextrusion Runner of the Steel/Plastic Composite Profile;
钢塑复合异型材共挤流道内熔体流动特性的数值模拟