PART INPROCESS DUSTRY Unit13 Principles of Heat Transfer 传热原理
传热原理 PART Ⅲ PROCESS INDUSTRY Unit13 Principles of Heat Transfer
Words and Expressions l.conduction r.传导，导热（性，率，系数） 2.conductivity n.传导率，导热系数 3.diffuse V.扩散，散布 4.convection n.热对流，迁移 convect V.使热空气对流，借对流传热 convective adj.传送性的，对流的
Words and Expressions 1.conduction n. 传导, 导热(性, 率, 系数) 2.conductivity n.传导率, 导热系数 3.diffuse v. 扩散, 散布 4.convection n. 热对流, 迁移 convect v.使热空气对流, 借对流传热 convective adj.传送性的, 对流的
Words and Expressions 5.enthalpy n.焓，（单位质量的）热含量 A thermodynamic function of a system,equivalent to the sum of the internal energy of the system plus the product of its volume multiplied by the pressure exerted on it by its surroundings. 6.f1uxn.通量 The rate of flow of fluid,particles,or energy through a given surface. 流体、微粒或能量通过一设定的表面时流动的速率
5.enthalpy n.焓, (单位质量的)热含量 A thermodynamic function of a system, equivalent to the sum of the internal energy of the system plus the product of its volume multiplied by the pressure exerted on it by its surroundings. Words and Expressions 6.flux n. 通量 The rate of flow of fluid, particles, or energy through a given surface. 流体、微粒或能量通过一设定的表面时流动的速率
Words and Expressions T.transparent adj.某种辐射可以透过的，透明的 Capable of transmitting light so that objects or images can be seen as if there were no intervening material. 透明的能够传送光线，因此可以清楚地看到物体或图像的， 仿佛没间隔材料一样 Glass is a transparent material..玻璃是一种透明物。 8.mechanism n.机理，作用原理，机械（作用） 9.gradient n.梯度，斜面 radial thermal gradient
Words and Expressions 7.transparent adj.某种辐射可以透过的, 透明的 Capable of transmitting light so that objects or images can be seen as if there were no intervening material. 透明的能够传送光线，因此可以清楚地看到物体或图像的， 仿佛没间隔材料一样 Glass is a transparent material. 玻璃是一种透明物。 8.mechanism n. 机理, 作用原理, 机械(作用) 9.gradient n. 梯度, 斜面 radial thermal gradient
Words and Expressions 10.unb0unda.自由的，无约束的 ll.electromagnetic a.电磁的 l2.0 paque adj..不传导的，不透明的 Impenetrable by light;neither transparent nor translucent. 不透光的不能被光线穿透的；既不透明也不是半透明的 13.lump v.概括((together),总结
Words and Expressions 10.unbound a. 自由的, 无约束的 11.electromagnetic a. 电磁的 l2.opaque adj. 不传导的, 不透明的 Impenetrable by light; neither transparent nor translucent. 不透光的不能被光线穿透的；既不透明也不是半透明的 13.lump v. 概括 (together), 总结