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热质传递 heat and mass transfer英语短句 例句大全

时间:2023-04-24 17:08:44

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热质传递 heat and mass transfer英语短句 例句大全

热质传递,heat and mass transfer

1)heat and mass transfer热质传递

1.Aheat and mass transfer model for high temperature drying of Chinese fir wood stick;木束高温干燥过程中的热质传递模型

2.Modeling ofheat and mass transfer and drying characteristics of sliced food with microwave drying;片状食品微波干燥热质传递模型及其干燥特性

3.Mathematical model based onheat and mass transfer in wood drying process under vacuum-floating pressure;木材真空-浮压干燥过程热质传递的数学模型

英文短句/例句

1.Study of Improving Heat and Mass Transfer Performance Based on Coupled Heat and Moisture Transfer Characteristics基于热湿传递耦合特性提高热质传递性能的方法研究

2.Investigation on Heat and Mass Transfer and Flow Stability of a Thin Liquid Film Draining Down a Wall;壁面薄膜流的热质传递和稳定性研究

3.Mass Transfer and Heat Transfer of Pressure Swing Adsorption Treatment Process of Volatile Organic Compounds变压吸附处理VOCs中的热质传递

4.Characteristics of Heat and Mass Transfer in Wood during Radio-Frequency Vacuum Drying高频真空干燥过程中木材的热质传递特性

5.Modeling and Analysis of Heat and Mass Transfer Performance of Evaporative Condensers蒸发式冷凝器热质传递模型的建立与分析

6.Experimental study and numerical simulation of heat and mass transfer in scrubbing-cooling pipe洗涤冷却管内热质传递的实验研究及数值模拟

7.Current Situation and Development Trend of Soil Heat and Mass Transfer Mechanism土壤热质传递机理研究现状及发展趋势

8.Numerical Simulation of Heat and Mass Transfer of Permeability Wall s Effects in Porous Medium with Surface Heat Flux;具有多孔介质壁面的流道中流动与热质传递的数值模拟

9.The Drying Characteristics of the Couple Heat and Mass Transfer in Porous Material Based on the Theory of Apparent Warp Activation Energy;基于偏移活化能的多孔物料内部干燥热质传递特性的研究

10.Study on Heat and Mass Transfer of Gas-Liquid-Solid Three Phase in the Colling Chamber of the Coal Gasification Furnace;煤气化炉激冷室内气液固三相热质传递规律研究

11.Experimental Research on Atomization Characteristics of Pressure Nozzle and Numerical Simulation on Heat and Mass Transfer in Spray-Dryer;压力式喷嘴雾化特性实验研究及喷雾干燥热质传递特性数值模拟

12.Research on the Theory of Heat Mass Transfer in Steam Sterilizing Treatment Process for Medical Waste;医疗废物高温蒸汽处理工艺中热质传递理论的研究

13.Numerical Investigation of Heat and Mass Transfer in Multiple Phases and Components Flows Using Lattice Boltzmann Method多相和多组分流动中热质传递的Lattice Boltzmann方法的数值研究

14.PROBLEM CONCERNING TURBULENCE MODEL OF HEAT AND MASS TRANSFER关于热量与质量传递的湍流模式问题

15.Mathematical Modeling & Numerical Simulation to Problems of Heat and Mass Transfer in Textiles and Clothed Human Body;织物中热、质传递建模及着装人体数值仿真

16.The Thermal and Moisture Transport Properties of Electrospun Nanofiber Nonwoven Fabric静电纺纳米纤维非织造布的热湿传递性质

17.Steady-state Heat Transfer Performance of Domestic Light-frame Wood Wall国产轻型木结构墙体的稳态热量传递性质

18.Simulations on heat and mass coupling transfer in exterior insulated envelope of new building新建建筑外保温围护结构热质耦合传递

相关短句/例句

heat and mass transfer热、质传递

1.Research on the regulation ofheat and mass transfer in a counter flowing open-regenerator;逆流开式发生器内部的热、质传递规律

2.But few researchers have studied on the phenomenon ofheat and mass transfer of falling film absorption with TFE/NMP which is very critical to the operation of absorption refrigeration/heat pump systems.在国家自然科学基金的资助下 ,我们建立了单根管吸收试验台以研究TFE/NMP降膜吸收过程中热、质传递规律。

3)heat and mass co-transfer热质同向传递

1.Numerical simulation onheat and mass co-transfer during microwave-assisted water extraction of icariin from epimedii leave;微波辅助提取淫羊藿饮片中淫羊藿苷的热质同向传递数值模拟

4)heat and mass concurrent transfer热质同时传递

1.A numerical simulation was conducted to investigate the gas-liquidheat and mass concurrent transfer in the vertical pipe of Texaco type coal-water slurry gasifier, using volume of fluid(VOF) multiphase flow model and the species transport model of the gas phase.采用流体体积双流体模型对德士古水煤浆气化炉激冷室下降管内气液两相热质同时传递过程进行数值研究,并建立了水蒸气在气相主体中的组分传输模型。

5)heat and mass transfer model热质传递模型

parison and analysis are made for the numerical results of theheat and mass transfer model with a conclusion that the model presented in this paper is basically fit to the actual physical process.本文对R32/R125/R134a三元非共沸混合制冷剂在实现变组成容量控制的组成调节装置中的分离器即填料塔中的传热传质过程进行了理论分析,建立了初步的热质传递模型。

2.Aheat and mass transfer model was set up,and the simulation results were found to be in accordance with the experimental data.建立了过程的热质传递模型,比较模拟数据与实验数据,验证了理论模型有较好的适用性。

6)non classical heat or mass transfer非经典热、质传递

延伸阅读

热传递改变系统内能的两种方式之一,另一种方式为作功。在没有作功而只有温度差的条件下,能量从一个物体转移到另一个物体,或从物体的一部分转移到另一部分的过程称为热传递。在热传递过程中,一般用热量来量度内能改变的多少。热传递又分为热对流、热传导、热辐射。实际上,这三种传热方式常常同时并存,因而,增加了过程的复杂性。对于固体热源,当它同周围媒质温度差不很大时(约50°C以下),热源向周围媒质传递的热量Q可由牛顿冷却定律: 来计算,其中s为进行热量交换的表面积且在s上热量交换是均匀的,θ是固体的温度,θo是远离热源处的媒质温度,t是进行热交换的时间,α是表面热传递系数。热对流 流体依靠其宏观流动而实现的热传递过程称为热对流。其特点是,在热量传递的同时,伴随着大量分子的定向运动。热对流又分为自然对流和强迫对流。①自然对流。当流体内部存在温度梯度,进而出现密度梯度时,高温处流体的密度一般小于低温处流体的密度(水在0~4°C的反常膨胀等除外)。如果密度由小到大对应于它们在空间的位置是由低到高,则受重力作用,流体便开始流动。又由于高温处分子无规则运动的平均动能较低温处大,从而出现了热量由高温处传向低温处的现象。冬天室内的取暖设备就是借助室内空气的自然对流来传热的。大气及海洋中也存在着这种热对流现象。②强迫对流。靠外来作用使流体作循环流动,从而进行热量传递。热传导 不借助于物质的宏观移动,而靠分子、原子、电子等间的相互作用使热量由高温物体传向低温物体(或由物体的高温部分传向低温部分)的宏观过程称为热传导。气、液、固三态物体中都能发生这种传热过程。根据傅里叶实验定律,在dt时间内流过面积元ds的热量为 式中负号表示热量沿温度减小的方向传递,表示ds所在处沿ds法线方向的温度梯度, λ(x,y,z)称为物体在(x,y,z)处的热导率,其值决定于物质的导热性能。热辐射 借助电磁波传递能量的方式称为热辐射。它具有连续的辐射能谱,波长自远红外区延伸至紫外区,但主要靠波长较长的红外线。辐射源表面在单位时间内、单位面积上所发射(或吸收)的能量同该表面的性质及温度有关,表面越黑暗越粗糙,发射(吸收)能量的能力就越强。不同物体对同样电磁波的吸收、穿透和反射的程度各不相同。物体吸收的辐射能同射到物体上的总辐射能之比a称为吸收系数;反射的部分同总辐射能之比r称为反射系数;穿透部分同总辐射能之比t称为穿透系数。三者间有下列关系a+r+t=1。当t=1时,a=r=0,称为理想透射体;当r=1时,a=t=0,称为理想反射体;当a=1时,t=r=0,称为理想黑体。一个物体向外辐射能量的同时,还吸收从其他物体辐射来的能量。如果物体辐射出去的能量恰好等于在同一时间内所吸收的能量,则辐射过程达到平衡,称为平衡辐射,此时物体具有固定的温度(见普朗克公式)。参考书目霍尔曼著,马庆芳等译:《传热学》,人民教育出版社,北京,1979。(J. P. Holman, Heat Transfer, 4th ed., McGraw Hill, New York, 1976.)杨世铭主编:《传热学》,人民教育出版社,北京,1980。

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