传热速率

通过对改造前的装置分析，并应用蒸发体积强度和蒸发的传热速率方程的理论，实施了提高硫氢酸钠回收蒸发能力的改造。

The reformation to improve vapourization efficiency was conducted according to the features of the original equipments and the theory of evaporation volume strength and heat transfer rate equation .

计算求解值与实验结果相一致，说明了吸附器中的传热速率控制了热泵循环速度。

The simulated and experimental results were in good agreement . The heat transfer rate in the adsorber was proved to control the speed of the heat pump cycle .

在实验条件下，单位蒸发与冷凝面积传热速率分别达到4.25kW/m2和9.70kW/m2，因而系统具有较高的产水率。

Under the experimental conditions , the heat transfer rates in evaporation and condensation processes can reach 4.25kW/m2 and 9.70kW / m2 , respectively . So , the thermal performance of the unit is greatly improved .

间壁式换热器的工作点及传热速率的调节

The Work Point of Recuperative Heat Exchanger and Its Regulating of Heat Transfer Rate

因此，在沥青基炭纤维形成过程中，控制温度和传热速率是极为关键的。

Therefore , The control of both temperature and heat-transfer rate is extremely critical during the formation of pitch-based carbon fibers .

通常情况下，食品冷冻干燥中的升华速率受物料已干层内的热量传递过程控制，冻干室压力可较大程度地影响通过物料已干层的传热速率。

Freeze drying of foodstuffs is ordinarily controlled by the heat conduction through the dried layer which is affected by the chamber pressure .

在连铸过程中结晶器的传热速率对铸坯的表面质量和防止漏钢都具有十分重要的影响。

The rate of heat transfer in mould affects significantly on the surface quality of slab and protection of steel breaking in continuous casting .

本文主要介绍了麦秸板板坯的传热速率、国产胶与进口胶的性能差异；

This paper is mainly focused on the study as follows : the different performance of methane diisocyanate ( MDI ) from abroad and domestic ;

模型中采用传质、传热速率方程表征实际塔板上的传递过程，避免了级效率的计算。

Mass and energy transfer rate equations are used in describing the transfer processes on real trays and thus the computations of stage efficiencies are entirely avoided .

可控间歇技术，能够周期恢复岩土温度，提高岩土传热速率，有效控制地下传热衰减。

Controlled intermittent technology , which could restore the rock temperature cyclically , improve the heat transfer rate of geotechnical , control the attenuation of heat transfer underground effectively .

与常规连续流微流控系统相比，微流控液滴系统具有更高的比表面积，更快的传质和传热速率及更短的反应时间。

Microfluidic droplet systems have higher surface to volume ratios , faster heat and mass transfer rate and shorter reaction times than those of continuous flow based microfluidic systems .

由于流化床具有固体粒子混合好和传热速率高的特点，对于流化床与浸入表面间传热的研究一直受到广泛的重视。

Due to the advantages of high heat transfer rates and good particle mixing , there is currently considerable interest in the study of heat transfer in fluidized beds .

试验结果显示，液滴撞击温度超过转变温度的金属板面时具有很高的传热速率。

The experimental results show that there is a higher heat transfer intensity of the thermal interaction between droplets and hot surface heated over the transition temperature of Leidenfrost Phenomena .

采用介质阻挡放电在提高空气-金属之间传热速率的同时，放电间隙击穿电压发生显著提高，也使放电在实际应用中更易于控制。

And with the use of dielectric barrier discharge , breakdown voltage is increased largely by the increase of heat transfer rate , which is helpful to avoid breakdown in application .

结果表明：在传热速率方程式与热平衡方程式中，各参数的选取不同或计算参数的公式选用不同，对计算结果有很大的影响。

It is very important to consider each parameter in heat flux transfer equation and heat balance equation . Three heaters of different dimensions have been calculated using different parameters or calculating formulas .

随着加热空气风速的提高，传热速率增加，干燥速率在第1降速阶段呈现加快趋势，软胶囊的最终含水质量分数稍有降低；

With the increase of the air velocity both the heat transfer rate and the drying rate in the first falling period increases , and the final water mass fraction of soft capsules is slightly dropped ;

对板坯连铸保护渣的基本原理作了描述，包括拉速、保护渣性能、振动特性对液渣层厚度、保护渣耗量和传热速率的影响。

In this article , the fundamentals of mould powders used in slab casters are given , including the effects of casting speed , powder property and oscillation characteristics on the thickness of liquid-slag layer , powder consumption and heal transfer rate .

热量传递势容（势容）反映了物体的导热能力，在导热过程中势容有损耗，对应于势容损耗最小的导热过程效率最高，传热速率最大。

Heat Transport Potential Capacity ( HTPC ) represents a body 's ability to transfer heat , which could be dissipated in heat transfer processes ; the process with the least HTPC dissipation has the highest conduction efficiency and the maximum heat flux .

通过对传热速率随保温层直径增加而变化的讨论，得出结论，保温层直径必须大于保温层的临界热绝缘直径，才能降低热损失。

This paper has discussed the changes in the rate of heat transmission as a result of thickness of the thermal barrier . The diameter of the barrier must be longer than the critical heat insulation diameter so as to reduce loss of heat .

将该模型与溶液传热反应速率理论相结合，导出了一个新的多元液体混合物的导热系数方程。

Combining the model with the reaction rate theory of thermal conduction established by authors , a new thermal conductivity equation of liquid mixtures is given .

本文通过理论推导定义了传热控制反应速率rh和传质控制反应速率rm两个特征参数，包含了多种设计和操作条件的作用，其数值可通过简单的代数计算得到。

Two characteristic parameters & heat transfer controlled reaction rate rh and mass transfer controlled reaction rate rm were defined , whose values can be obtained through simple algebraic calculations .

应用传热、传热速率和能量三大平衡和优化设计原理，设计了抚钢的变压器功率7000kVA的公称10t电弧炉的管式水冷挂渣护壁。

The Pipe-type water-cooled Panel for a 10 ton , 7000 kVA electric Arc Furnace at Fushun Steel WOrks has been designed by using the balances of heat , heat transfer rate and energy 1 and the principle of optimum design .

在铁浴熔融还原时，为保证较高的传热和反应速率，熔池中泡沫渣应保持一个适当的高度。

For the smelting reduction in iron bath , the foam should be kept in a suitable height in order to obtain a high rate heat transfer and reaction .

本文在考虑面积变化、壁面摩擦、燃料喷射、油气混合、壁面传热以及有限速率化学反应的一维模型的基础上，发展了一种考虑预燃激波串的超声速流动燃烧模型。

A new supersonic combustion model with shock train is built in this paper , and the effects of area change , wall friction , mass injection , fuel mixing , finite-rate chemistry and heat transfer to the combustor walls are included .

探索了该装置内的两相流流型及传热系数、循环速率与热通量的关系。

A two-phase flow patterns , the relationship between the heat transfer coefficients and heat flux and the relationship between the recirculation flow rate and heat flux are investigated .

采用喷雾干燥工艺生产超稳分子筛，取得了以下效果：一是传热好，干燥速率快，提高了装置的利用效率，出口物料固含量稳定；

The technology of spray drying is adopted in zeolite drying step , which has the following advantages : firstly , heat transfer is improved to obtain a faster drying rate , a higher efficiency of equipment and a stable solid content of the output materials ;

本文从传质反应速率理论的基本思想出发，建立了一个新的传热理论&传热反应速率理论。

A new theory of thermal conduction , the reaction rate theory has been established .