查询词典 convection heat transfer

Shell Cassida Fluid HT 32 is a synthetic heat-transfer fluid for close d circuit and pressureless heat transfer systems.

壳牌加适达HT 32润滑油是一种用于闭路循环和无压热传导系统的合成热传导润滑油。

Shell Cassida Fluid HT 32 is a synthetic heat-transfer fluid for closed circuit and pressureless heat transfer systems.

壳牌加适达HT 32润滑油是一种用于闭路循环和无压热传导系统的合成热传导润滑油。

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。

Numerical simulation of dropwise condensation heat transfer of steam on copper, stainless steel, zinc, carbon steel surfaces were performed using the model of dropwise condensation heat transfer.

同时编制了珠状凝结换热的数值计算程序，并对不同压力下铜表面以水为介质的珠状凝结换热进行了数值模拟。

The frondose techniques of heat transfer enhancement were comparatively amply introduced,and the relevant new structures to enhance heat transfer were enumerated.

比较全面地介绍了换热器的强化传热技术及其应用，列举了相应的强化传热新结构；点明了强化传热技术的选用，以期对今后的强化传热研究工作提供帮助。

A new apparatus of augmentation of heat transfer with the radial jet directional impinging on the contract zone was developed and its effect of heat transfer was studied through the experiment of intermitted creep feed grinding.

研制了能实现磨削弧区径向射流定向冲击强化换热的工艺装置，并通过缓进给断续磨削实验研究其换热效果。

A mathematical model of heat and mass transfer for the burning process of fire-retardant intumescent polymer was put forward to analyze the effect of heat and mass transfer on burning behavior of IFR-PP.

实验中测量了纯聚丙烯及膨胀阻燃聚丙烯在膨胀燃烧过程中的样品质量损失、质量损失速率、热释放速率和内部温度随时间变化规律。

Firstly, the condensation heat transfer of steam-air mixture on the outside of a horizontal smooth tube and four square thread tubes is studied experimentally, and then, the condensation heat transfer on axisymmetrical surfaces as well as vertical plates of any kind of vapors containing noncondensable gases is analyzed theoretically.

本文作者先实验研究含空气的水蒸汽管外冷凝时水平光滑圆管和强化换热圆管的传热特性，实验时控制主流混合气体的压力和空气的质量成分，并探讨建立实验关联式的方法；然后对含不凝气体的蒸气在竖直平板和轴对称壁面上冷凝换热进行理论分析。

The properties of turbulence which characterized as the movement of vortexes influenced the heat and mass transfer, propagation of flame in the combustion process deeply, at the same time, the turbulent combustion based on the turbulent flow coupled with the intense chemical reactions, meanwhile, the heat releasing and the transfer of species concentration cause the nonnegligible effects on the turbulence and its structure.

以涡运动为特征的湍流的性质对燃烧过程中传热、传质和火焰传播都具有重要的影响；同时，湍流燃烧过程则是在湍流流动基础上再耦合以强烈的化学反应，其间由于燃烧造成的热释放、组份浓度的迁移等同样会对湍流流场产生不可忽视的作用。

The longitudinal vortex generator is a new technique of enhanced heat transfer,this paper presents the effects of the longitudinal vortex in horizontal rectangled duct on the heat transfer coefficient and pressure drop.

纵向涡是一种新型的传热强化技术，其传热性能好，安装方便，使用可靠。以数值计算方法分析了在常壁温条件下纵向涡对换热器的传热性能以及流动阻力的影响。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48