Evaporation heat transfer inside the micro-structure of porous surfaces;
本文综述了多孔表面用于强化沸腾传热的研究工作。
It was found that the convective evaporation heat transfer sometimes was in a transitional flow state.
发现其对流蒸发传热中有时处于过渡流状态。
The average evaporation heat transfer coefficient decreases with the increasing of the oil concentration.
不同含油率下,沸腾平均换热系数随质量含油率的增加而增加。
The evaporation temperature has negligible effect on the average evaporation heat transfer coefficient at the same oil concentration.
同一含油率下,蒸发温度对平均换热系数影响不大。
Seawater falling film evaporation heat transfer and anti-fouling characteristics were investigated on ion-plated chromium, TiN and chemically treated aluminum tubes.
考察了淡水和海水在离子镀铬、氮化钛和化学处理水平铝管外表面的降膜传热热性。
One of them is pure evaporation heat transfer model in the extended thin film region near the triple-phase contact line of vapor-liquid-solid at lower input heat flux.
一种是较低热负荷下的单一的微槽内三相接触线附近薄液膜区域中薄液膜的高强度蒸发换热机制(纯蒸发模式);
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
将传质方程引入到垂直管降膜蒸发传热模型中,求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
Based on analysis of heat transfer in the process of liquid evaporation in details, an evaporation model was developed and the calculation method was also provided.
在对液体蒸发过程中的热量传递进行详细分析的基础上,推导建立了液体蒸发计算模型,并给出了求解方法。
Therefore, it is very important to study heat transfer and evaporation performance of pilot plant of wiped thin-film evaporator with an inner condenser and extend its applications.
因此,研究内冷式刮膜薄膜蒸发器中试装置的传热蒸发性能,并扩展其应用,有着重要意义。
The influence factors of the heat transfer performance and the formula of the heat transfer coefficient on the evaporation side in the umbrella-plate have been obtained.
分析了影响伞板式降膜蒸发器传热的主要因素,得到了伞板降膜蒸发侧无因次传热系数的实验关联式;
The boiling heat transfer rate in a narrow gap is much higher than that in a pool, and its heat transfer mechanism is dominated by the evaporation of thin liquid film under deformed bubbles.
狭窄空间中的池沸腾传热强度高于大空间池沸腾,其主导传热机理是受压变形气泡底部的微液膜蒸发机理。
Principles of climbing film evaporation and the influential factors of heat transfer quantity were introduced.
介绍了升膜蒸发的原理及影响传热量的因素。
From the point of view of heat transfer, however heat from drying air was mostly used to droplet evaporation, there were two different schemes about heat transfer discussed here.
热空气提供的热量主要用于液滴中的水分蒸发,关于热量的传递,本文讨论了两种方案。
The main heat transfer mechanism of the above-cited heat transfer is based on the micro-liquid film evaporation at the bottom of pressured and deformed gas bubbles.
狭缝两相流强化传热的主导传热机理是受压变形气泡底部的微液膜蒸发机理。
The evaporation model of micro heat pipe with triangular cross section was presented by analyzing both the heat transfer through the thin liquid film and the heat conduction along the heat pipe wall.
通过对薄液膜蒸发传热以及热管壁轴向导热的分析,对三角形截面微型热管的蒸发段建立了蒸发传热模型。
The heat transfer law ofthe quench oil during its evaporation is also analyzed;
分析了急冷油雾滴蒸发过程中的热量传递规律;
The effect on heat transfer performance caused by heat flux, gradient and liquid-filled ratio of evaporation end was deeply investigated.
分析了热管的启动特性以及热流密度、蒸发段倾角和充液率对其传热特性的影响。
An experimental study on conjugated heat transfer performance of evaporation and condensation in plate-fin heat exchanger is carried out.
对板翅换热器中的氮的冷凝和蒸发耦合传热特性进行了实验研究。
And a reasonable mathematic model about the spray, evaporation, combustion and heat transfer of the propellant in engine is given.
给出了推力室内从推进剂雾化、蒸发、燃烧到传热一整套合理的数学模型。
In this paper, it is believed that the heat transfer mechanism of phase change in a capillary tube belongs to liquid film conduction and surface evaporation.
本文认为毛细管的相变传热机理为液膜的导热和表面蒸发;表面蒸发受蒸汽温度、汽液界面的温度以及汽液压力差的共同控制。
On the base of thin film evaporation mechanism of the channel, a comprehensive heat transfer model for thermosyphon boiling in narrow channel is developed.
基于这种狭缝通道气泡底部薄液膜蒸发机理,建立了狭缝沸腾传热组合机理模型。
The theoretical analysis and experimental results show that the elliptic cavity is good for falling film evaporation and can effectively enhance the speed of evaporation and heat transfer efficiency.
理论分析和实验结果表明,椭圆腔板束有利于降膜蒸发,能有效地提高蒸发速度和传热效率。
By using of the single tube laboratory for R22, tests and compares the evaporation and condensation heat transfer performance with different tooth profile parameters of inner-grooved tube.
利用R 22单管传热试验台,对相同工况下不同结构参数的内螺纹强化管进行蒸发冷凝换热试验。
The influences of salt scale on heat transfer coefficient, production capacity and steam consumption in the evaporation of liquid caustic soda are analyzed.
分析了液碱蒸发装置结盐对蒸发传热系数、生产能力和蒸汽消耗的影响。
This paper introduces the working principle and the characteristics in the evaporation condenser. It also shows how to increase the affecting heat transfer of evaporation.
介绍了蒸发式冷凝器的工作原理、特点,提出了提高蒸发式冷凝器传热效率的途径。
The simulation results indicate that the effect of solution feed flow and heat flux has a high influence on heat and mass transfer coefficient of falling film evaporation.
模拟结果表明,进口流量和热负荷对降膜蒸发传热传质系数的影响较为显著。
The cause of scale forming in caustic soda aqueous evaporation, inefficiency of heat transfer and containing caustic in evaporative condensing liquid has been discussed.
讨论了烧碱溶液蒸发结垢、传热效率低、蒸发冷凝液带碱的原因。
The influence of operating conditions on mass transport rate and evaporation efficiency was discussed by applying traditional mass and heat transfer theories to membrane.
实验还考察了料液温度和流率对膜通量及热效率的影响,利用膜及膜两侧边界层内传热传质理论对此进行了分析讨论。
Gas-flow and heat-transfer in the wedge-shape air-gap of horizontal evaporation cooling motor is studied by numerical method and experiment.
本文通过数值和实验手段研究了卧式蒸发冷却电机楔形气隙中的流体流动、传热现象。
The effects of different kinds of heat transfer on fuel film evaporation and combustion are analyzed quantitatively.
定量地分析了各种传热方式在油膜蒸发和燃烧中的作用。
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