传热

Can be reduced by decreasing grid size and increasing the number of solid angle discreetation.

因而，在含散射性介质的系统，如煤粉燃烧室内流动、燃烧、传热的模拟中，离散坐标法将是一种很有发展前途的辐射传热计算模型。

Nowadays, enhanced heat transfer utilizes superior heat transfer elements. Spirally grooved tube is one of them.

目前，强化传热主要是采用性能良好的传热元件，螺旋槽管是其中的一种。

In addition.the efectof magnetic field on the flow and heat transfer is also looked into...

本文还研究了磁场对流动和传热的影响，随着场强的增加，液滴下落的均速度增加，传热系数提高。

The two most important performance parameters-overall heat transfer coefficient and Solar Heat Gain Coefficient are calculated and analyzed.

摘要建立了低辐射能玻璃窗的物理传热模型，计算并分析反映窗户性能的两个参数：传热系数U和太阳得热系数SHGC，着重讨论了低辐射能玻璃窗的这两个参数的特点和影响因素，找出了其节能的机理。

Numerical simulation results have shown that the new type of bricks can be of both refractory and heat insulation .

根据传热原理，建立了微栅格砌体的传热数学模型，模型计算表明：这种新的砌体可以同时具有很好的绝热性能和耐高温性能。

The hot intensity of the heat insulation parts is analysized by the finite element method.

论述了低散热发动机在特种车辆上应用的意义及研制存在的困难；分析了低散热发动机的传热特点，运用经验公式确定了传热边界条件；分析了非稳态导热有限元计算的特点，运用有限元法对隔热部件进行了热强度分析。

Supported by the National Natural Science Foundation of China(Study on Heat Transfer Characteristics of Downhole Coaxial Heat Exchanger in Convection Geothermal Reservoir )and Tianjin Development and Plan Program of Science and technology(Study of Ecologic Architectural Energy System), the thermal performance exploiting earth energy for heating and cooling is studied in this paper,and its main purpose is to offer reference for increasing the percent of renewable energy in Ecologic Architectural Energy.

本文在国家自然科学基金（井下换热器周围对流型地温地层内的传热特征研究）和天津市科技发展计划项目的资助下，重点研究了地表热能高效利用中的传热与热力性能问题，为可再生能源在生态能源建筑中发挥更大的作用提供依据。

It is demonstrated that the effect of heat transfer temperature difference on heat transfer parameters is negligible.

实验测定了固定床的传热数据，并对床层温度水平与传热温差的影响进行了分析。

By using CFD software FLUENT,numerical simulation for the three-dimensional flow of air between honeycombed plate heat transfer component s is carried out.

应用CFD软件FLUENT对蜂窝板传热元件板间空气的三维流动进行了数值模拟。对中心间距为19 mm的蜂窝板传热元件在不同质量流量情况下的换热和阻力特性进行了计算分析，给出了在300

For a soil or rock of water - lacked , a heat transfer theoretical model is developed , which is a steady or unsteady , the results show that reservoir temperature , thermal diffusion coefficient , inlet temperature , flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe . it can deduce that intermit running is favorable for this type of soils and rocks

对于贫含水地下岩土层建立了稳态与非稳态传热的理论模型，分析结果表明，岩土层的热储温度、导温系数、埋地换热器进水温度、流量以及地源热泵系统的运行时间或开停机比，都对埋地换热器的传热过程产生直接影响，可以推断，对于该类型岩土层的地源热泵系统，采用间歇运行将是有利的。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。