Experimental investigation on condensation heat transfer in horizontal microfin and smooth tube with refrigerant R22;
R22在水平微肋管和光管内凝结换热的实验研究
Experimental study of frictional pressure drop characteristics of R410A-oil mixture flow boiling inside a small smooth tube was performed to promote the application of R410A in the compact heat exchanger of air-conditioner.
为了促进环保制冷剂R410A在制冷空调紧凑式换热器设计中的实际应用,研究了R410A-油混合物在小管径光管内的流动沸腾摩擦压降特性。
This paper introduces the clarifying influence of the intertube spacing, the tube arrangement,the heat flux and the working fluid on boiling heat tra(?)sfer of smooth tube bundles.
本文实验研究了管束间距、管排数、管束排列方式、热负荷大小和沸腾工质物性等因素对光管管束池沸腾传热的影响规律。
The article analyses and simulates optical systems with normal light sources,it also studies the characteristics of the usual optical components used in projection system like light pipe,micro lens array,etc.
对普通的光源系统进行分析和模拟,并且对投影仪系统中经常用到的光学器件例如光管、复眼透镜等进行分析,探讨了在微型投影仪的光源设计中如何选择光源,以及根据选择的光源进行设计。
A kind of off-axis parabolic collimator acted as infrared target source was introduced.
论述了一种用于为某可靠性测试设备提供红外模拟目标源的离轴抛物面准直光管系统的结构选择。
Optical system design of the collimator with large field of view;
大视场平行光管光学系统的研制
Research and design on wild-view collimator;
大视场平行光管的研究与设计
Structure design of the off-axis parabolic collimator;
离轴抛物面反射式平行光管的结构设计