heat transfer coefficient 输热系数 相似单词 radiation n. 1.[U,C]辐射;放射线 2.[U]辐射的热(或能量等) 3.[U](也作radiation therapy)放射疗法 transfer v.[T] 1.搬;转换;调动 2.使换车;使转校 3.改变,转变 4.转印,描摹 5.转让,让渡 v.[I] 1.搬迁,转移;调任 2.换车,转车 3.转校,...
Two approaches to predict the average or representative heat-transfer coefficient for a long, horizontal fin cooled by natural convection and radiation have been presented鈥攖he integration method and the heat-balance method. Both approaches make use of a numerically determined temperature distribution ...
1、,4.6. RADIATION HEAT TRANSFER,Radiation, which may be considered to be energy streaming through space at the speed of light, may originate in various ways.,Some types of material will emit radiation when they are treated by external agencies.,All substances at temperatures above absolute zero...
Engineering Application and Numerical Analysis of Radiation Heat Transfer in Complex Geometry; 复杂结构辐射换热工程应用及数值计算 3. In view of the characteristic of VGF (Vertical Gradient Freeze) technique, the radiation heat transfer model of the VGF furnace is established, and detailed simulations...
Radiation Heat Transfer Calculator This calculator is based on equation (3) and can be used to calculate the heat radiation from a warm object to colder surroundings. Note that the input temperatures are in degrees Celsius. ε - emissivity coefficient th - object hot temperature (oC) tc - ...
The overall heat transfer coefficient for a multi-layered wall, pipe or heat exchanger - with fluid flow on each side of the wall - can be calculated as 1 / U A = 1 / hciAi+ Σ (sn/ knAn) + 1 / hcoAo(2) where U = the overall heat transfer coefficient (W/(m2K), Btu/(ft2...
6) radiation heat transfer coefficient 辐射换热系数补充资料:电离辐射衰减系数 电离辐射衰减系数 ionizing radiation attenuation coefficient 式中/0为没有防护层(d=0)时的电离辐射强度;I是防护层厚度为d时的电离辐射强度;刀为电离辐射衰减系数。如果d以线性厚度厘米为单位,则召以厘米一’表示。 刀是物质防护能力...
The expression of radiation transfer coefficient based on Monte-Carlo method is defined in surface radiation heat transfer. 文章基于蒙特卡罗方法定义了表面热辐射换热辐射传递系数的表达式,确定其概率分布和置信度水平并进行统计分析。 2. An enclosure surface radiation transfer coefficient mathematical model of ...
Uo is the overall heat transfer coefficient between the water surface and the environment given as:[9]Uo=hw·Tg−Ta/Tg−Ts+hrgsand the surface area Ar is the ratio of cover area Ag to the free horizontal surface area of the salt water in the basin Aw:[10]Ar=Ag/Aw. ...
2.1.9 传热系数 heat transfer coefficient 在稳态条件下,围护结构两侧空气为单位温差时,单位时间内通过单位面积传递的热量。传热系数与传热阻互为倒数。 2.1.10 线传热系数 linear heat transfer coefficient 当围护结构两侧空气温度为单位温差时,通过单位长度热桥部位的附加传热量。