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In this dissertation, MDS has been used to predict the thermodynamic properties and transport coefficients of an argon system with Lennard-Jones potential to reveal the propagation mechanism of a disturbance in the medium, to discuss the interface characteristics under saturated condiction.

微尺度条件下的换热、快速加热以及某些相变传热等现象用传统的研究方法和研究手段难以进行研究,而分子模拟技术则有可能成为研究这些传热现象的一种有效手段。

It is found that the overall heat transfer will be increased if there are more heat transfer area in the diagonal region starting from the crosspoint of two streams for crossflow heat exchanger.

在维持总传热面积不变的条件下,于叉流换热器冷热流体相交点区域,及由该点所在对角线从两侧往对角线中心区域增加局部传热面积,可改善温差场的均匀程度,从而提高效能。

We compute the design parameter of the thermoelectric refrigerator ,present the measures of improving or weakening the corresponding diathermanous processes,which is the theoretical basis of the next design.

从热学的角度分析了温度测控系统的各个传热过程,计算出半导体制冷器的设计参数,给出了强化或削弱相应传热过程的措施,为下—步设计奠定了理论基础。

Although there are a large amount of studies related to dropwise condensation in respect of it s high heat transfer coefficient, the mechanism of droplets formation is still unclear.

滴状冷凝具有较高的冷凝传热系数,本文研究了这一现象的传热机理,同时进一步研究了几种获得滴状冷凝的方法。

Through the study of the effect of contact angle on heat transfer in dropwise condensation, it has been demonstrated that an optimum contact angle in dropwise condensation exists from the view of heat transfer.

通过接触角对滴状冷凝传热影响的理论研究,从传热学角度证明了滴状冷凝过程中最佳接触角的存在。

Finned tubes are widely used in heat-exchangers due to high efficiency in the process of heat transfer.

传热过程中,由于翅片管可提高传热效率,已在换热器中得到广泛的应用。

Helically finned tube ; convection heat transfer ; local heat transfer

螺旋肋片管;对流传热;局部传热

The heating surface of the steam generator is composed of several helically wound tubes.

氦气自上而下流过发生器,水在外力作用下进入发生器并产生水蒸汽自下而上流过传热面管束蒸汽发生器的传热面由多头螺旋管组成。

The microcapsules with polyurea shell for functionally thermal fluid application were synthesized by interfacial polymerization with isophorone diisocyanate and tetraethylenepentamine as wall material precursor in an emulsion system.

1前言功能热流体是在单相流体中混入其它材料形成的一种集储热与强化传热功能于一身的新型储传热介质[1]。

Through this material one could setup an overall impression of the study content and the study method.In order to investigate the basic heat transfer characteristics of regeneratively cooled scramjet, in the second chapter, one dimensional heat transfer model of regeneratively cooled scramjet was developed. In this model, N-R correlations were used to describe hot gas-side and coolant-side convection heat transfer. Simple model of gas properties was also used.

为了初步了解超燃冲压发动机再生冷却传热的基本特征,第二章建立了超燃冲压发动机再生冷却的一维传热数理模型,采用了准则关系式描述燃气侧和冷却剂侧的对流换热,采用了简化的燃气物性模型,并对衬层材料、衬层厚度和冷却剂流量进行了参数研究。

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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。

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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。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。