而且此模型也可以用于求解具有不同传热膜系数和不同换热器材质的网络。
Furthermore, the model can also be used to solve heat exchanger network problems with unequal heat transfer film coefficients and different construction materials.
采用混合管束既可获得高的总传热系数和管内外传热膜系数，又可以使管内压降不致过大。
Using mixed tube bundle, high heat transfer coefficient can be acquired as well as pressure drop not too high.
为了得到三种组合桨的传热膜系数的通用关联式，本文采用了传热膜系数与单位质量功之间的关联。
The relationship between the heat-transfer coefficients and the power consumption per unit mass of the fluid is used to ob…
同一传质体系，在相同流动条件下孔隙率大的膜的传质系数大于孔隙率小的膜的传质系数。
The mass transfer coefficient was higher for the big porosity membrane than for the small porosity one at same experiment condition.
分析结果认为，膜的渗透系数和温度极化系数共同影响着膜通量的大小。
The measured flux results show that membrane permeability is associated with both permeability coefficient and temperature polarization coefficient.
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。
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.
结果表明，提高对流传热系数是提高膜蒸馏热效率和渗透通量的关键。
It appears that improvement of convective heat transfer is very important for enhancement of flux and heat efficiency.
一个略加改进的电化学氢渗透技术被用于测定氢在铁膜中的扩散系数。
The diffusion coefficient of hydrogen in an iron membrane was measured using slightly improved electrochemical hydrogen permeation technique.
MD1膜驱剂的油水分配系数远小于1，说明其在油相中的溶解量很小。
Oil-water partition coefficient of MD-1 was far less than 1, which revealed its less solution in oil phase.
研究结果表明，与传统的光滑管弓形隔板换热器相比，板式换热器能非常有效地强化空气侧的膜传热系数。
The results showed that compared to conventional smooth segment baffle heat exchanger, the plate heat exchanger(PHE) can effectively strengthen the film heat transfer coefficient of the shell side.
气膜孔流量系数随动量比的增大而增加，在小动量比下，影响尤为明显；
The film hole flow coefficient is increased with momentum ratio, especially when momentum ratio is small.
实验研究了铝膜厚度对衍射光栅闪耀效率的影响，给出了铝膜厚度系数的最佳范围。
It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.
通过应用带通滤光膜，太阳电池的吸收系数降低0.06。
The absorption coefficient is decreased 0.06 by using band-pass filters.
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 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.
同时，本文通过实测，修正了现行规范中用于计算沥青膜厚度的矿料表面积系数；
Through practical experiments, this paper correct the aggregate surface-area coefficient which is used to calculate asphalt membrane thickness in exiting specification.
介绍了反应物在聚合物膜中扩散系数的测定方法。对于聚合物修饰电极上反应机理的研究提供了有力的指导。
Measuring method of reactant diffusion coefficient in polymer film was introduced. This would provide potent guidance for researching reaction mechanism.
压力改变结合水膜厚度，引起粘滞系数改变。
Due to the stress, the thick ness of bond water changed, then does the coefficient of viscosity.
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 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.
介绍了F4112离子交换膜的材料结构、性能参数及膜电阻、膜中扩散系数的测定方法。
The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.
提出了膜厚系数和温升系数的概念，并给出了它们和长径比、相对偏心率的关系线图。
A design method is presented for dynamically lubricated jouornal by using the coefficients of film thickness and temperature-rise.
影响聚合物包膜肥料养分释放的因素主要有：膜厚、颗粒半径、扩散系数、养分组成及其溶解特性。
The factors that influence the nutrients release behavior are as followings: membrane thickness, granule radius, diffusion coefficient, nutrients composition and nutrient dissolving property.
本文采用一种新的数字图像相关方法测量带有半导体电热膜的远红外陶瓷热胀系数。
A new digital image correlation method (DICM) measurement is utilized to investigate the thermal expansion coefficient of the far-infrared ceramic coated the semiconductor galvanothermy membrane.
实例计算与方法验证表明，该方法能够简单而有效地确定膜孔灌溉田面综合糙率系数。
With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed.
增强光合性能，提高生物产量和经济系数，是旱作覆膜马铃薯增产的重要生理基础。
Enhancing photosynthetic function, improving biological yield and economic coefficient is an important physiological basis for increasing the yield of potatoes covered with film.
分析了覆膜旱作水稻需水量试验资料，得出覆膜旱作水稻各生育阶段综合作物系数。
The synthetic crop coefficients are evaluated by analyzing the experiment data on water requirement of rice in plastic film mulched dryland (RPFMD).
分析了溶液温度、浓度、降膜雷诺数对吸收效率和传质系数的影响。
The effects of solution concentration, solution temperature and film Renault number on absorption performance were studied.
最后，还对纤维素湿膜作了介电系数和差热分析。
At last, the wet membrane of bacterial cellulose was determined by dielectric constant and DTA.
着重介绍了气膜冷却、涡轮叶片内流冷却技术和气膜孔流量系数的研究进展。
Particular emphasis is given to the development of film cooling, internal cooling technologies and film hole discharge coefficients.
着重介绍了气膜冷却、涡轮叶片内流冷却技术和气膜孔流量系数的研究进展。
Particular emphasis is given to the development of film cooling, internal cooling technologies and film hole discharge coefficients.
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