纯质制冷剂管内沸腾换热的计算方法大学生就业服务平台Key words local flow boiling heat transfer coefficients; quality; divisional calculation method目前各种教科书和设计手册中,在进行蒸发器设计时,制冷剂沸腾侧的换热系数都按不分流型的平均换热系数来计算。然而在实际沸腾过程中,随着沸腾的不断进行,制冷剂的流动情
R134a在螺纹管内冷凝换热及压降特性毛舒适;陶乐仁;李庆普;吴生礼;张丹亭【摘 要】anceTo investigate the effects of condensation temperature and diameter of inner-grooved tubes on flow evaporation and condensation performance of R134a, thr
纯质制冷剂管内沸腾换热的计算方法古筝c调音阶图die的过去式和过去分词Key words local flow boiling heat transfer coefficients; quality; divisional calculation method目前各种教科书和设计手册中,在进行蒸发器设计时,制冷剂沸腾侧的换热系数都按不分流型的平均换热系数来计算。然而在实际沸腾过程中,随着沸腾的不断
扁材多孔管内单相流体换热21培训网李敏霞;余文芳;孙晗;代宝民;党超镔【摘 要】An experiment was performed to study the heat transfer characteristics of liquid flow through two multi-port extruded (MPE) micro-tubes with water, ethanol, ace
R134a在螺纹管内冷凝换热及压降特性礼物怎么画毛舒适;陶乐仁;李庆普;吴生礼;张丹亭【摘 要】To investigate the effects of condensation temperature and diameter of inner-grooved tubes on flow evaporation and condensation performance of R134a, th
Film Coefficient(对流换热系数)流体与固体表面之间的换热能力,比如说,物体表面与附近空气温差1℃,单位时间单位面积上通过对流与附近空气交换的热量。单位为W/(m^2·℃)margin call。表面对流换热系数的数值与换热过程中流体的物理性质、换热表面的形状、部位、表面与流体之间的温差以及流体的流速等都有密切关系。物体表面附近的流体的流速愈大,其表面对流换热系数也愈大。如人处在风速
《传热学》课程专业英语词汇1. heat transfer 传热学清炖鸽子汤2. heat conduction 导热3. convection heat transfer 对流换热4. thermal radiation 热辐射5. condensation heat transfer 凝结换热6. boiling heat transfer 沸腾换热7. number of heat tran