对流换热系数随着颗粒直径的增大而增大。
The coefficient of convection heat transfer increases with increasing the particle diameters.
目前工业中换热设备实现的主要是膜状冷凝。
Nowadays, film condensation widely used in heat-exchange equipments in industry.
凝结换热有两种形式:珠状凝结和膜状凝结。
There are two kinds of condensation: dropwise condensation and film condensation.
它的主要换热作用由布置在转子中的受热面来完成。
Its main heat exchange function is realized by heating surface arranged in rotors.
无相变的对流换热分为自由对流及强迫对流二个方面。
Convection without phase change can be divided into free convection and forced convection.
用半无限大导热理论对瞬态导热过程进行换热系数求解。
The heat transfer coefficient is obtained by solution of semi-infinity heat conduction theory.
热图像真实地反映出每一股射流的冲击冷却局部换热特征。
The thermal images show truly the features of local heat transfer for each jet impingement cooling.
本文对锯齿型通道内流动与换热的周期性进行了数值模拟。
The periodicity of the flow and heat transfer in a corrugated channel is numerically investigated.
通过分析确定过冷管最小换热面积和旁通毛细管最佳长度范围。
The minimum heat transfer area of the tube for subcooling and the optimal length range of the by-pass capillary tube were determined.
当对流换热系数足够大时,再改变对流换热系数对温度影响较小。
If the convective heat transfer coefficient is great enough, its rechange has smaller effect on temperature response.
不易结垢。直通管的采用,不仅加大了换热面积,而且不易结垢。
Hard for incrustation: the adoption of straight pipe avoids the phenomenon of incrustation while enlarges the area of heat-exchanging.
多斜孔壁上的倾斜小孔抽吸气流对斜孔周围换热增强有明显的效果。
The holes of inclined multi hole wall have a strong effect on the heat transfer intensification around the hole.
数值模拟是解决复杂区域的流动和换热问题的一个行之有效的方法。
Numerical simulation is a effective method for solving problems of fluid flow and heat transfer in complex geometries.
考察了对流换热系数、吸收系数对三层复合层瞬态耦合换热的影响。
The influences of convective coefficient and absorbing coefficient on coupled heat transfer are investigated in detail.
计算机计算结果表明,格子砖材质的更换会改变蓄热室的换热特性。
The computor resulted that the replacement of checker brick material will change the heat transfer performance.
辐射换热效果与具体辐射表面形状有关,常用辐射换热因子来衡量。
The thermal radiation effect depends on the shape of specific surface, and is evaluated by view factors.
他是一个23年的设计工程师管壳式换热冷却热交换器的换热和空气。
He was a design engineer for shell and tube heat exchangers and air-cooled heat exchangers for 23 years.
本文阐述了夹点理论的基本原理,及其在换热网络优化综合中的应用。
The basic principle of pinch technology and its application in the heat exchanger network synthesis are illustrated.
并重点讨论了人体着装与环境的对流换热、辐射换热、皮肤蒸发换热。
Convection, radiation and skin evaporation are emphasized between the human body with clothing and environment.
本发明的有益效果是:增大了冷凝器的换热面积,降低了电冰箱的耗电量。
The invention increases the heat exchanging area of the condenser, reduces the electrical consumption of the refrigerator .
主要是由于冷凝器表面严重积灰堵塞,或者是受腐蚀影响而减弱了换热效果。
The main reason of which is the heat transfer efficiency is weakened by jamming heavily or corroding the surface of the condenser.
对底部加热的被液体浸透的多孔物料床中的沸腾换热进行了实验和理论分析。
Experimental and theoretical investigations on boiling heat transfer in liquid saturated porous bed heated from below are conducted.
在供热、供燃气、通风与空调以及其它许多工程系统中,对流换热问题广泛存在。
In heating, ventilating, air conditioning and other engineering system, there are many problems concerned with convection heat transfer.
在换热网络中考虑经济因素和工程质量因素,建立换热网络多级综合模糊评价模型。
In heat exchanger networks, the fuzzy appraisal model of heat exchanger networks is set up considering quality and economic factors.
实验证明百叶窗式纳米亲水翅片要比常规的平板型翅片提高100%以上的换热效果。
Experiments proved that the heat transfer efficiency of the louvered fin with nm hydrophilic film is 100% higher than the conventional straight fin.
当纳米亲水膜冷凝器被清洗后,其外观犹如新的一样,其换热效果当然不受任何影响。
After being cleaned, the surface of nm hydrophilic film condensers is just as bran-new one, whose heat transfer efficiency certainly can not be affected.
在传热模型中,除考虑传导和对流换热外,也考虑了电池和空气进气管之间的辐射换热。
Radiation between cell tube and air feed tube and heat transfer by convection and conduction was also included in this model.
在传热模型中,除考虑传导和对流换热外,也考虑了电池和空气进气管之间的辐射换热。
Radiation between cell tube and air feed tube and heat transfer by convection and conduction was also included in this model.
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