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transfer heat
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  传热
     PHOENICS-BASED NUMERICAL STUDY FOR UNSTEADY TRANSFER HEAT UNDERGROUND HEATED PIPELINE
     基于PHOENICS软件埋地输油管道非稳态传热数值研究
短句来源
     After comparing experimental value and estimative value, we deduce that theoretic transfer heat model accords with actual condition, so we can estimate the heat performance of HHCHP by theoretic calculation formula.
     同时建立了蜂窝热管平板式太阳能热水器的理论传热模型,通过对实验值和理论值的比较,得出进行简化后的理论模型在一般情况下与实际的情况是符合的,因此可以用理论计算公式对蜂窝热管平板式太阳能热水器的热性能进行估算。
短句来源
     Liquid Metal Infiltration and Transfer Heat Behavior for Particles Reinforced Metal Matrix Composites
     挤压铸造颗粒增强金属基复合材料过程中液态金属浸渗和传热行为的分析
短句来源
     The reactor design based on the basic theory for mass transfer, heat transferring and reaction kinetics.
     传质、传热和动力学是反应工程设计的理论基础。
短句来源
     The experiment results show that the self-made cryogeni c thermosyphon made of the stainless steel can transfer heat as much as 2 W/K.
     研制的低温热虹吸管平均传热能力达 2W /K。
短句来源
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  热转移
     Numerical Study on Convecting Transfer Heat of Underfloor Air Supply
     地板送风系统对流热转移量的数值研究
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  “transfer heat”译为未确定词的双语例句
     Objective of this study is to transfer heat shock factor8 (hsf8) gene into soybean variety and improve expression of target gene hsp70 in order to enhance heat tolerance of soybean.
     本研究的目的在于向大豆受体导入热激转录因子8(heatshockfactor8,hsf8)基因,以加强目的基因hsp70的表达和增加转基因大豆的抗逆性,同时探索提高大豆转化率的途径。
短句来源
     Ultrasound can intensify the process of mass transfer, heat transfer and chemical reaction, and can raise the rate of chemical process.
     超声波作用能强化质量、热量传递和化学反应,提高过程速率。
短句来源
     Because of the good ability of transfer heat, the results show that the performance coefficient of S-S-C-I can reach 4.2, which is much higher than the other storage systems.
     由于冰晶式蓄冷系统良好的热交换性,循环计算结果表明,冰晶式蓄冷系统的性能系数可达到4.2左右,明显好于其他蓄冷系统。
短句来源
     The erosion of blast furnace is a problem of three kinds of transfer(momentum transfer,heat transfer and mass transfer).
     高炉侵蚀归根结底是动量传输、热量传输和质量传输这三传的问题。
短句来源
     They can not transfer heat advection in cold island effect into latent heat of evaporation. Meanwhile, it can not distinguish the inverse humidity phenomenon and cooling condensation of atmospheric water in the underlying surface.
     现有陆面过程模式很难刻画冷岛效应和逆湿现象,通常现有陆面过程模式很难将冷岛效应中的热量平流转化成蒸发潜热,同时陆面过程模式也混淆了逆湿现象和发生在下垫面上的大气水的冷却凝结。
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  transfer heat
A thermal module was designed to transfer heat efficiently from high power dissipation chips to a liquid coolant via forced convection.
      
It is assumed that one of these spaces is an elastic heat-conducting binary solid solution, while the other is rigid and does not transfer heat or mass.
      
Positive values for transfer volumes and transfer heat capacities are observed with all the solutions studied.
      
Hence, Cpo(R) values, in water yield a good estimate of side chain hydrophobicity, but the (water→urea) transfer heat capacities appear strongly affected by specific solvation effects in the urea solution.
      
Some textiles currently used in wearing apparel ignite more easily and burn more quickly than others, but the key to their burn hazard to the wearer is their ability to transfer heat to the skin.
      
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A new method of calculation is presented to solve the energy equations of the cylinder wall, the piston wall and the gas within the clearance. The temperature gradients are obtained due to the fact that the temperatures and heat flows on the interfaces are continuous. As a result, the transfer heat can be calculated. Some calculations and experimental data are presented.

本文提出了一个新的计算方法.把汽缸壁、活塞壁和它们之间气隙中气体的能量方程分别求解,并利用在界面上温度相接和热流连续的条件求出温度分布,由此可计算出活塞运动中传输的热量.文中列出了一些计算结果和几个实验数据.

The conditions of feathery grain formation in aluminum alloy as one of the non-faceted materials have been studied by the authors on unidirectional solidfication test setup. Experimental results show that temperature gradient, cooling rate and G/R~(1/2) ratio are decisive parameters affecting the probability of feathery grain formation. Among all technological parameters the pouring temperature of the alloy is most important to the occurrence of feathery structures. Many authors-such as Chalmers, Morris et...

The conditions of feathery grain formation in aluminum alloy as one of the non-faceted materials have been studied by the authors on unidirectional solidfication test setup. Experimental results show that temperature gradient, cooling rate and G/R~(1/2) ratio are decisive parameters affecting the probability of feathery grain formation. Among all technological parameters the pouring temperature of the alloy is most important to the occurrence of feathery structures. Many authors-such as Chalmers, Morris et al. have presented various views on the mechanism of feathery grain formation in non-faceted materials. It appears that these different views are still far from being reconciled to each other. In this paper our views on significant aspects of growth twinning mechanism in non-faceted materials are advanced in the light of the authors' experimental findings. It is believed that feathery grains result from twinning at the growing dendrite tips due to stacking faults. The well-known stacking faults mechanism predicts that growth twins can appear in face-centred cubic and hexagonal close-packed materials under certain conditions. The authors are of the opinion that, as the cooling rate is increased, the rate at which atoms add themselves to the interface increases and a higher possibility of stacking faults may be expected. Another factor leading to stacking faults is the local distortion-of the growing crystal-caused by the atoms of the solute. The greater the difference in the atomic radius between the solute and the solvent, and the greater the segregation coefficient of the solute, the more easily the stacking faults occur. Dendrites, whose <112> directions coincide with the directions of heat flow, are liable to promote growth twinning. It is interpretable from the stacking fault theory that feathery grain formation has definite regularity; nevertheless, it bears some accidental character. Finally, feathery dendritic growth has been investigated by the authors. The primary arm of a feathery dendrite with a {112} facet on the tip grows faster than the normal primary arms of columnar dendrites under identical conditions. Secondary arms with growth directions of <110> or <100>, which possess more favorable conditions to transfer heat, also have higher growth rate than the secondary arms of columnar dendrites. Feathery structures evolve through a series of processes, which include multiple twinning at the place of origin and lamina multiplication in the course of growth. We propose a model of lamina multiplication which resembles that of the formation of growth twins, the difference being only that the multiplicated laminae originate at secondary arm tips.

在单向凝固试验装置上研究了铝合金层状晶的生成条件,并对非小平面生长材料的孪生机理进行了分析。实验结果表明,层状晶的生成条件范围较宽,温度梯度、冷却速度和G/R~(1/2)比值是决定层状晶出现几率的主要参数。层状晶的形成是由晶体生长表面的原子堆垛层错引起的,溶质元素与铝的原子半径差和在铝中的偏析系数越大,越容易引起原子错排。层状晶枝晶主轴和与主轴成锐角的二次分枝均比柱状晶的生长速度快。层片增殖的机理与层状晶的起源相似,区别仅在于增殖的层片起源于层状晶枝晶二次分枝的端部。层状晶的形成既有一定的规律性,又有偶然性。

This paper makes a preliminary study on the heat transfer of swirling flow tube,which is the critical element in a new style deaerator designed by Chinese technicians, said film type deaerator. With experiments and analyses, the related experimental formulas (A), (B) and (C) were obtained. Quantitatively, the criteria for swirling flow tube design and calculation ,.worked out.The film deaerator's characteristics are also analized in this paper Based on the effect of non-condensing gas on transfer heat,...

This paper makes a preliminary study on the heat transfer of swirling flow tube,which is the critical element in a new style deaerator designed by Chinese technicians, said film type deaerator. With experiments and analyses, the related experimental formulas (A), (B) and (C) were obtained. Quantitatively, the criteria for swirling flow tube design and calculation ,.worked out.The film deaerator's characteristics are also analized in this paper Based on the effect of non-condensing gas on transfer heat, some suggestions mentioned to reconstruct old style deaerator as well.

本文对膜式除氧器的关键性部件——旋流管的传热作了初步研究,通过实验和分析,求得了旋流管内传热的实验关联式(A)、(B)和(C),从定量方面,给出了设计、计算旋流管的依据。 文章又分析了膜式除氧器的特点,并从不凝气体对传热效果的影响出发,提出了改造老式除氧器的建议。

 
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