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- The coefficient of convection heat transfer increases with increasing the particle diameters. 对流换热系数随着颗粒直径的增大而增大。
- The characteristics of natural convection heat transfer of small objects are studied in this dissertation. 本文对小尺寸物体自然对流换热的规律和特点进行了研究。
- The results show that optimize the convection heat transfer coefficient of aluminum's radial could improve the homosphere of furnace interi... 结果表明,铝卷退火曲线计算值与实测值结果比较吻合。
- To consider the effects of free convection heat transfer in liquid zone and mushy zone, an Effective Heat Transfer Coefficient keff is defined. 论文通过引入有效导热系数keff,考虑了液相区、两相区的自然对流对传热的影响。
- The natural convection heat transfer of small objects is enhanced remarkably, due to the side edge effect and leading edege effect. 小尺寸物体的自然对流换热由于边缘效应和前缘效应,使其换热显著地强化。
- The results indicate the empirical relations can be used to analyze forced convection heat transfer of continuous flow in lower air pressure. 结果表明,低气压下,处于连续介质流的流体对流换热仍然可以利用常规情况经验准则关系式进行分析计算;
- This paper offers the measured distribution of the surface temperature of horizontal finned tube along the circumference in natural convection heat transfer. 实测了水平肋片管在自然对流换热条件下圆管表面温度在圆周方向上的分布。
- Numerical analysis on convection heat transfer of laminar pulsating flow in a circular tube with constant heat flux and constant wall temperature is investigated. 对等热流和等壁温边界条件下圆管内层流脉冲流动对流换热问题进行了数值模拟。
- Conventional submersible non-clog pump motors are air-filled non-jacketed type designed to be cooled by convection heat transfer to the surrounding media. 一般的潜水无堵塞泵电机是风冷、无加套结构设计,由周围介质的对流传热进行冷却。
- Experiments were conducted to investigate the convection heat transfer of deionized water and copper oxide nanoparticle suspensions flowing through mini tubes. 实验研究了细圆管内去离子水和氧化铜纳米颗粒悬浮液的对流换热特性。
- An actual measurement was conducted of the supercritical CO 2 convection heat transfer factor in a round stainless steel tube of 2 mm inner diameter under typical pressure and temperature conditions. 实测了典型压力温度条件下 2mm内径不锈钢圆管内超临界CO2 对流换热系数。
- The results show that the convection heat transfer will be enhanced and the friction coefficient will become lower with the windward air velocity of air-cooled condensers increasing. 结果表明:随空冷凝汽器迎面风速增加,空气对流换热增强,摩擦系数降低。
- This paper describes using the Runge-Kutta method to carry on numerical calculation about mixed convection heat transfer, and analyses the result combining with the process of food freezing. 用龙格一库塔法进行了混合对流换热的数值求解,结合食品冷冻分析了数值计算结果,探讨了食品冷冻中冷风的合理流向。
- The component diffusion and convection heat transfer of laminar developing flow is solved by the SIMPLEC algorithm, and the radiative heat transfer is calculated by the Monte Carlo method. 对圆管内辐射物性不同的两层介质层流入口段,采用SIMPLEC算法与蒙特卡罗法数值模拟了二维稳态流动与扩散混合时的辐射-对流耦合换热。
- High frequency instabilities result in grossly increased convective heat transfer coefficients in the chamber walls. 高频不稳定性使室壁对流传热系数大大增加。
- The characteristics of natural convection flow and heat transfer inside the aerostat are obtained.The shift of convective heat transfer coefficient has been presented. 通过计算,初步了解了囊内自然对流流动和换热的特点,得到了表面对流换热系数的变化规律。
- Experiments were carried out to investigate the single-phase forced convection heat transfer with water in three vertical narrow annuli which were heated from inside by primary water. 本文在常压下,以水为工质,对三种尺寸的竖直窄环隙流道进行了单相强迫对流换热实验研究。
- natural convection heat transfer 自然对流换热
- Enhancements of convective heat transfer coefficient are different in the different positions of experimental pipeline. 在实验管道内的不同位置纳米流体对流换热系数的提高也是不同的。
- Goering D J,Instanes A,Kundsen S:Convective Heat Transfer in Railway Embankment Ballast,Rotterdam,A.A.Balkema,2000. 李南生孙焕纯等:渠系基础冻结过程水热耦合问题数值分析;水利学报;1997(3).