间接换热,indirect heat exchange
1)indirect heat exchange间接换热
1.Analysis ofindirect heat exchange for waste heat recovery from bathhouse in college高校公共浴室废水余热回收间接换热分析
英文短句/例句
1.Analysis of indirect heat exchange for waste heat recovery from bathhouse in college高校公共浴室废水余热回收间接换热分析
2.Development Research of Crossflow Plate Heat Changer of Indirect Evaporative横流板式间接蒸发换热器的开发研究
3.Numerical Research on Heat Transfer Characteristics of Surface Indirect Air Cooled Radiators表面式间接空冷散热器换热特性的数值研究
4.Experimental Investigations on the Heat Transfer and Flow Characteristic of the Indirect Evaporative Cooler;间接蒸发冷却换热器换热特性与阻力特性的实验研究
5.Any indirect type of heat exchanger can be utilized to accomplish the desired result.任何一种间接热交换器均能达到预期结果。
6.Exergy Efficiency Evaluation and Analysis of Indirect Evaporative Cooling in Plate Heat Exchangers;间接蒸发冷却板式换热器（火用）效率评价及分析
7.direct heat exchanger直接接触式热交换器
8.direct and indirect energy conversion直接和间接能量转换
9.indirectly heated thermistor间接加热式热敏电阻器
10.indirect fired furnace间接加热的热处理炉
11.indirectly heated间接加热的旁热式的
mon Problems in Welding Joint of Tubesheet and Tube for Heat Exchanger换热器管板与换热管焊接常见质量问题的防止
13.The Active Connection Technology about Heat Exchange Tube and Tube-sheet管壳式换热器中换热管与管板的活性连接技术
14.The Analysis of Second Law of Thermodynamics about Surface Heat Exchanger间壁式换热器的热力学第二定律分析
15.Research on Indirect Matrix Converter with Simple Commutation;简化换流的间接式矩阵变换器的研究
16.Heat the catalytic converter-to-muffler connection with an oxyacetylene torch until the metal becomes cherry re用乙炔焊枪加热触媒变换器至消音器间的连接管，直至金属变成鲜红色为止。
17.The air then passes through heat exchangers where it is cooled to cryogenic temperature.接着空气通过热交换器冷却到低温。
18.Quality Control of the Fillet Weld in the Tube and Tube Sheet of Heat Exchanger换热器管-管板角焊缝焊接质量的控制
相关短句/例句
Phase-changing heat transfer间接换热面
3)indirect heat exchange间接热交换
4)Water-to-water heat transfer水-水间接换热
5)direct heat exchange直接换热
1.The conven- tional indirect heat exchange is changed intodirect heat exchange so that the heat exchange efficiency is im- proved.介绍了一种加氢裂化装置反应流出物新型换热-分离流程,该流程设置了中温高压分离器和换热塔,将传统的间接换热改为直接换热,提高了换热效率。
2.The operation parameters of two sewage-source heat pump projects with direct and indirect heat exchange modes were measured,and the coefficients of performance (COP) of the heat pump systems in winter were calculated.数据对比表明,直接换热式污水热泵系统的能效比较高,实际工况与样本工况的COP值偏差仅为7%,而间接式系统则为27%。
6)septate heat transfer间壁换热
延伸阅读
对流受热面换热对流受热面换热heat transfer at convection heating surfacesdUll一U Sh0Urem一on hU0nre对流受热面换热(heat transfer at。onveetionheating surfaees)热量由受热面一侧的热流体以对流方式传给另一侧的冷流体的过程。锅炉对流受热面换热计算的基本方程为换热方程式和热平衡方程式。换热方程式换热过程中对流受热面传递的热量Q与冷、热流体间的平均温差山和受热面积H成正比，换热方程式可写成:Q~KH山，kJ/h。锅炉对流受热面的换热计算.通常以每千克燃料为基准，因此换~~一、__一一、，_KH山，，，.、._热方程式又可表示为:Q~竺若竺，kJ/kg，式中药n‘~’协~~J~“’/子’伟B，’.”’吧’~’一J为锅炉计算燃料消耗量，kg/h;其余各项分别介绍如下.(1)传热系数K〔kJ/(m，·h·℃)]:表示温差为1℃、受热面积为lm2条件下每小时的传热量。对于锅炉中常见的各种光滑管受热面的传热系数均可用多层平壁的传热系数公式来表示:1.氏一十六尸十“1匆 民‘1+~护‘十—人aZkJ/(mZ .h.℃)l一人一凡式中a，和aZ为加热介质对管壁和管壁对受热介质的换热系数;a，和入为管子外表面上灰垢层的厚度和导热系数;占，和人，为管壁的厚度和导热系数;氏和人为管子内表面上水垢层的厚度和导热系数。烟气对管壁的换热系数al可写成:a，一右(久十ar)，式中ac和a，为对流换热系数和辐射热系数;泞为利用系数，它是考虑由于烟气对受热面冲刷不完全而使吸热减少的修正系数。ac与许多因素有关:如气流的速度和温度、一定的线性尺寸、管子布置方式、受热面种类、烟气流经受热面的性质(纵向流、横向流或斜向流)以及流通介质的物理性质等。ar与烟气流的温度、黑度及受热面外壁温度、黑度有关。综上所述，传热系数是一个与过程有关的物理量，其值取决于参与换热的两种流体的物理性质、运动状态、受热面的结构形式及布里方式等。(2)温差山(’C):参与换热的两种流体在整个受热面中的平均温差。温差大小与两种流体相互间流动方向有关。如果一种流体的温度在受热面范围内保持不变，则温差与两种流体相互间的流动方向无关。冷、热流体彼此反向平行流动的受热面连接方案，称为逆流，而彼此同向平行流动的，则称为顺流。
