推导了界面上具有耦合传热时的控制体离散方程序,界面上的辐射热流以附加源项的形式出现在离散方程中。
The discretion equation was derived for the control volume with conjugate heat transfer at its interface, with the radiation heat flux at the interface appearing as an additional source term.
异种气体射流强化传热的新方法即使在“负温差的情况下也有很高的热流量发生。”
A new method of heat transfer augmentation with foreign gas jet impingement has recorded very high heat flux even in the case of "negative temperature difference".
建立了泡沫多孔板的传热模型和能量方程,同时求得了板内烟气温度分布及辐射热流强度变化。
Heat transfer model and energy equations for porous plaque have been established, temperature distribution and variation of radiative heat flux are also found.
热分析中考虑了坯料的初始温度、外加热源和冷却源的热流密度以及坯料和空气的对流传热。
In the thermal analysis, the initial temperature of billet, beat fluxes (heat flow per unit area) of positive and negative value and convections to surrounding air are considered.
从而验证了改变气流方向和热流密度矢量之间夹角可以强化换热的这一强化传热新原理。
It demonstrate the new principle of convective heat transfer enhancement by changing the Angle between fluid flow and heat flux.
本文对现有围护结构传热系数的测试方法做了分析与比较,以热流计法作为研究对象。
This paper compared and analyzed existing detection methods, then took Heat Flow Meter method as research object.
结果表明:在相同的管、壳程流速下热流体在壳程时换热器总传热系数比热流体在管程时相对高出约33%。
The results showed that the total heat transfer coefficient of heat exchanger with hot water arranged in shell-side was relatively higher by 33% than that with hot water arranged in tube-side.
相变材料微胶囊已经广泛应用于纺织品、传热流体、建筑物、军事、农业等领域。
MEPCM has been widely applied in the filed of textile, heat transfer fluid, building, military, agriculture and so on.
本文比较了计算辐射传热的三种数值计算方法:区域法、假想面法和热流法,提出了用假想面法进行矮烟罩内辐射传热计算。
Compared with zone method and heat flux method, imaginary plane method is a better way to calculate the radiative heat transfer.
同时还首次提出金属辐射反向热流是强对流间歇式炉内不可避免的新型传热特征。
At the same time, it has been firstly put forward that inverse heat flux of metal radiation is a unavoidable heat transfer property in the batch furnace with force...
副法律政策专员功率与传热流体(导热油)-是20%的电力价格降低成本的承诺,通过DSG的可能吗?
DSG power vs Heat Transfer fluid (HTF) - are the promises of 20% cost reduction in electricity prices through DSG really possible?
建立了高炉炉缸传热的数学模型,这一模型可精确地分析热流强度与炉墙及渣皮厚度之间的定量关系。
It has been applied to the quantitative analysis of the relationships between the heat flow strength and the thicknesses of hearth wall and slag skull.
并测量了气缸盖鼻梁区和活塞燃烧室表面的瞬态热流,结果表明燃烧室受热表面积炭层的存在对工质与燃烧室各零件间的瞬态传热表现出强的闭塞作用。
The results shoW that the carbon deposit layer on the combustion chamber has strong isolative effect on the transient heat transfer between working medium and the parts of combustion chamber.
DOWFROST高清传热流体是一种丙烯乙二醇和工业腐蚀抑制剂特别设计的配方。
DOWFROST HD heat transfer fluid is a formulation of propylene glycol and a specially designed package of industrial corrosion inhibitors.
该方法利用动力学分析功能,结合传热学原理求解热流传递数值;
This method takes advantage of the dynamic simulation function of finite element analysis and the thermodynamic theory to calculate the value of thermal flux.
分析了热管的启动特性以及热流密度、蒸发段倾角和充液率对其传热特性的影响。
The effect on heat transfer performance caused by heat flux, gradient and liquid-filled ratio of evaporation end was deeply investigated.
对高热流密度芯片的冷却要求进行了分析,采用有限元方法对微槽道冷却热沉的传热性能进行了数值模拟。
The finite element method is then used to numerically simulate the heat transfer performance of microchannels cooling heat sink.
根据实验与计算结果,还揭示了金属辐射反向热流是强对流间歇式炉内不可避免的新型传热特征。
It was revealed from the results of experiment and calculation that inverse heat flux of metal radiation is an unavoidable heat transfer char...
计算得到了炉内流场、 温度场及炉管表面热流密度分布的详细信息,揭示了焦化炉炉膛内流动、燃烧和传热过程的特性。
The processes of fluid flow in the tube, combustion, heat transfer between the flue gas and tube were simulated without any simplification of the complicated geometry.
结果表明,在恒定蒸发压力下,制冷能力随进入发生器的热流变化,吸附床内的传质过程主要受传热过程影响。
The result shows that at constant evaporating pressure the refrigerating capacity changed with the heat flow into the adsorber and the heat transfer mainly...
分析了对材料高热流短脉冲加热与快速凝固过程的超常传热特点,其主要表现为传热过程的非平衡特性。
The extreme heat transfer characteristics in short-pulse high flux heating and rapid solidification of metals are analyzed. which is mainly shown as nonequilibrium heat transfer process.
本文提出的热流相似法,是直接通过热流相似原理建立相似准则的新方法,借此可以总结出有关传热现象准则方程序。
The analogue method of heat flow which was presented by the authors in this paper is a new method of building analogue number with the analogue principle of heat flow.
潜热型功能热流体是一种集储热与强化传热功能于一体的新型工质。
Latent functionally thermal fluid (LFTF) is a kind of new medium with thermal energy storage and heat transfer enhancement.
结果表明,在恒定蒸发压力下,制冷能力随进入发生器的热流变化,吸附床内的传质过程主要受传热过程影响。
The result shows that at constant evaporating pressure the refrigerating capacity changed with the heat flow into the adsorber and the heat transfer mainly controls the mass transfer in the a...
建立了室外空气温度发生周期性变化情况下的复合墙体一维非稳态传热物理模型及数学模型,推导出复合墙体温度分布及热流密度分布表达式。
We aim at the establishment of one-dimensional physical and math model in the multiplayer walls. Heat flux and temperature distribution expression has been reduced and analyzed.
在热流通过两相互接触材料尤其是金属材料的界面时,真实接触面积是界面传热的一个主要影响因素。
The real contact area is the main factor effecting the heat transfer when the heat is crossing the interface between two contacted materials, especially the metal materials.
在恒定热流密度条件下,对单相流体分别强制轴向层流流经多孔泡沫金属换热器管内、外的流动和对流传热的均匀性进行了分析。
The distributions of velocity and temperature of fluid inside the tube fitted with the porous metal foam were more uniform than that of the blank tube.
在利用热边界层减阻的电加热管道中,为了计算管道加热的热流量,除了热边界层流动的流体传热外,还需考虑整个管道的热损失。
The many kinds of heat losses of fluid flow on the temperature boundary layer in pipeline are a part of the total heat flux.
建立了快速高热流密度激光作用下含湿多孔材料传热传质数学模型,并采用恰当的数值处理方法进行了数值计算。
Mathematical model of laser beam irradiates the surface of a water-containing porous materials is presented, and related numerical method is used to solve the equations.
建立了快速高热流密度激光作用下含湿多孔材料传热传质数学模型,并采用恰当的数值处理方法进行了数值计算。
Mathematical model of laser beam irradiates the surface of a water-containing porous materials is presented, and related numerical method is used to solve the equations.
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