换热表面 heat transfer surface(11) heat exchange surface(2) heat transfer surfaces(4)   heat transfer surface      Experimental Study of Fouling Mechanism on Heat Transfer Surface      换热表面结垢过程及机理的实验研究 短句来源      STUDY ON A NEW TYPE CONDENSATION HEAT TRANSFER SURFACE      新型凝结换热表面的研究 短句来源      As a result,the heat balance deviations of two sides' water were no more than 10 percent. Experimental turbulent flow heat transfer Nusselt numbers agreed with the predicted values within 10%. Accordingly,the system is reliable to be used to monitor the fouling process of heat transfer surface      介绍了污垢热阻动态监测装置的构成及特点．根据传热学基本原理,对该套装置进行了光滑管对流换热性能测试,结果表明两侧流体热平衡最大偏差小于10%,实验结果与经验公式计算的Nu数相吻合,其最大偏差小于10%．用该装置进行换热表面污垢的动态自动监测,可以得出准确可靠的实验结果． 短句来源      A RANDOM FRACTAL MODEL DESCRIBING THE SIZE DISTRIBUTION OF ACTIVE NUCLEATE SITES ON BOILING HEAT TRANSFER SURFACE      描述沸腾换热表面活化核心的随机分形模型 短句来源      Study on bubble deformations on heat transfer surface in electric field and its effects on boiling heat transfer      电场中气泡在换热表面上的变形及对沸腾换热影响 短句来源 更多          heat exchange surface      This thesis first research the effect of the additive and material, which can restrain ice crystal adhere onto the heat exchange surface. Then oriented at practical industrial application, a new kind of shell and tube type dynamic ice generator is designed.      本文对在蓄冰溶液中加入添加剂和换热表面改性这两种抑制冰晶在换热面上粘附的方法进行了研究，同时综述和比较了国内外各种形式动态制取冰浆的方法，并结合工业的实际应用，设计出了一种壳管式冰浆生成器，搭建了溶液动态制冰实验台，对冰晶在其管束换热面上粘附的过程进行了理论和实验研究。 短句来源      A finned tube is the key component of a finned tube heat exchanger, and the fin efficiency is one of the main parameters in designing a finned tube heat exchanger, and it also has certain applicable value in the comparison of heat exchange surface.      翅片管是翅片管换热器中的核心和关键元件,翅片效率是设计翅片管换热器过程中的主要参数之一,在换热表面的比较方面也具有一定的实用价值。 短句来源   heat transfer surfaces      Comparative experiments of direct and indirect temperature-measuring methods on boiling heat transfer surfaces      换热表面直接与间接测温的对比性实验研究 短句来源      COMPARISON OF HEAT TRANSFER SURFACES FOR MICROTURBINE RECUPERATORS      微型燃气轮机回热器换热表面的对比研究 短句来源      THREE DIMENSIONAL NUMERICAL ANALYSIS FOR SLOTTED FIN-AND- TUBE HEAT TRANSFER SURFACES HAVING OVAL TUBE CONFIGURATION      椭圆管开缝翅片换热表面特性的三维数值分析 短句来源      Fouling on heat transfer surfaces causes serious and economic problems in industry.      换热表面上形成的污垢可使传热效率降低 ,流动阻力增大 ,严重妨碍换热设备的正常运行 ,造成能源浪费和经济损失。 短句来源   “换热表面”译为未确定词的双语例句      The best surface for heat transfer is P/H = 2.2, θ = 60° surface.      最佳的换热表面是P/H=2.2,θ=60°表面。 短句来源      Method and formulae for calculating the mean forced convection heat-transfer coefficient of the blade surface,as well as for the blade passage's bottom wall,are introduced.      介绍了汽轮机动叶片叶身平均对流换热表面传热系数和叶片流道下壁面对流换热表面传热系数的计算方法和计算公式。 短句来源      When measurement error reach 0.2℃, the computing error of conduction coefficient is only 3.36% and that of the covection coefficient is near 10%.      当测量误差达到0.2℃时,绝缘层导热系数的计算误差仅为3.36%,对流换热表面传热系数的计算误差也在10%左右。 短句来源      Theoretical analysis on the effect of surface energy upon heat exchanger performance      换热表面的表面能对换热性能影响的理论分析 短句来源      Frosting on the Finned-tube Evaporator Surface and Its Effects on Evaporator Structure Design      翅片管蒸发器换热表面的结霜特性与对其结构设计的影响 短句来源 更多        查询“换热表面”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   heat transfer surface Three-dimensional numerical simulation results are presented for a fin-and-tube heat transfer surface with vortex generators. 例句来源       The heater was a sapphire plate 1.2 mm thick having a heat transfer surface area of 77×22 mm2. 例句来源       Experimentally found local heat transfer coefficients are analyzed as a function of the measuring point on the heat transfer surface area of the agitated vessel wall and of the impeller eccentricity. 例句来源       Theoretical formulas are obtained for determining the heat transfer surface of a regenerator in the case of the heat capacity of one of the heat transfer fluids, and also the heat transfer coefficient varying substantially through the equipment. 例句来源       With the aid of an interferometer, the dependence of heat transfer coefficient in unsteady heat transfer on the rate of change of thermal stress at the heat transfer surface has been determined. 例句来源       更多             heat exchange surface Transverse two-phase flow around a cylindrical heat exchange surface 例句来源       A simple thermal model is developed to evaluate the heat exchange surface area of a hot dry rock geothermal reservoir. 例句来源       It is also shown that the decline in the measured temperatures of circulation fluids since 1985 to the present is consistent with the heat exchange surface area going through a maximum in 1987. 例句来源       Additionally, the loop reactor concept offers a high heat exchange surface for isothermal operation. 例句来源       The heat exchange surface must be clean and free of corrosion. 例句来源         heat transfer surfaces It is shown that the true value of the average temperature depends on the geometry of the heat transfer surfaces and is less than the arithmetic mean value usually employed. 例句来源       This work is aimed at obtaining the grounded formulas for engineering calculations of heat transfer surfaces. 例句来源       Heat rejection rates from a plate-fin tube type condenser are determined for various flow rates and inlet state conditions of air and for different degrees of wetting of the heat transfer surfaces. 例句来源       Consequently, the heat transfer coefficient shows a significant increase for α>amp;gt;0.4, suggesting an excellent performance of heat transfer surfaces in the duct of cross-shaped cross-section. 例句来源       The effect of inlet subcooling was investigated using different heat transfer surfaces and inlet temperatures at constant heat input of 415 W. 例句来源       更多                    In order to simplify the design program, of a plate-fin heat exchanger, a more efficient method is suggested for evaluating the behavior of the plate fins so that optimum could be achieved in selecting surfaces of a heat exchanger.In addition, thermodynimic analysis is made of the operation of a plate-fin heat exchanger and a mathematical model is built for investigating its en-tropy change and production, thus providing new means for improving a heat exchanger.             本文提出了一种新的较有效的评价板翅表面性能的方法,以简化板翅式换热器的设计程序,力求换热表面选择的最优化。除此而外,还对板翅式换热器的运行进行了热力学分析,并建立了对板翅换热器熵产分析的数学模型,指出了改进换热器的方法和途径。 文摘来源          A technical and economical analysis for making optimized selection of heat transfer tubes was proposed in the article based on the heat transfer and pressure drop characteristics of three different types of tubes of domestic design. As shown by the results, heat transfer tubes with extended surface can only be widely used under a reasonable price calculated through technical and economical analysis.             本文根据三种不同外形结构的国产传热管的传热、阻力特性.系统地阐明了一种便于优化选择传热管换热表面的技术经济分析方法.通过计算分析认为,对于一般工业用的扩展表面管,只有通过技术经济分析合理地制订产品价格,才能推广应用. 文摘来源          The performance for the boiling heat transfer of the machined porous tube bundle has been theoretically analysed and experimentally studied,The results show that the performance of the tube bundle is different from that of a single tube,and it is not the same either in different place of the same tube,and the nature and magnitudes of the differences depond on the density heat flux and tube structure of the bundle.Dividing the surface of the tube into three parts to be analyzed,it will give a perfect explana...             对机械加工多孔管管束的沸腾换热性能进行了理论分析与实验研究,结果表明:多孔管管束的换热性能与单管有一定的差别;同一管束中,处于不同位置的管子,其换热性能也不尽相同;其差别的大小及性质与热流密度及管束的结构有关.把管子的换热表面分为3个区域进行分析,可以很好地解释实验结果.本文整理出的换热关联式的计算值与实验值符合较好. 文摘来源   << 更多相关文摘         相关查询: 换热 换热强度 冷凝换热 增强换热 交叉换热 交流换热 换热模型 冲击换热 换热型面 换热方法 高效换热 蓄热换热  对查询结果不满意

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