当温度继续降低时，铸锭表面传热系数又迅速减小。
After that, the heat transfer coefficient is rapidly decreased with temperature decline.
提出了一种紧凑式换热器平均表面传热系数瞬变测试方法。
A transient testing technique for measuring average convection heat transfer coefficients of compact heat exchangers is suggested.
瞬态液晶技术用于复杂几何表面传热系数高分辨率的测量是成功的。
The method has been proved to be successful for high resolution measurements in internal heat transfer on surfaces with complex geometries.
本文探索了一种低散热发动机陶瓷表面传热的实验研究方法—表面温度法。
An experimental researching method-surface temperature method for heat transfer on ceramic coat in low-heat-rejection engine was developed.
理论分析着重研究了点火燃气与推进剂表面传热及推进剂内瞬态热传导规律。
Theoretical analysis emphasizes on heat transfer both inside propellant and between igniter exhaust and internal grain surface.
冷却塔填料表面传热传质过程的理论计算都与一个经验参数——传质系数有关。
The theoretical models for description of the heat and mass transfer on surfaces of fillers in cooling towers are related to an empirical coefficient the mass transfer coefficient.
试验结果表明，新型开窗翅片的翅片间距对表面传热因子和阻力性能影响较为显著。
The results show that the j and f factors increase with the fin space and fin length decreasing, and the fin space has more obvious effect on the area of optimization factor.
由于淬火过程中探头表面传热行为的复杂性，所示直接测量探头表面温度是非常困难的。
It is difficult to directly measure the surface temperature of the probe due to the complexity of heat transfer behavior on the probe surface in quench process.
运用数值模拟技术分析翅片表面传热与流动特性，是一项十分重要而有意义的研究工作。
The main contributions of the paper are as follows: (1) An indraft heat transfer wind tunnel has been optimized designed based on CFD.
建立了室内表面对流辐射耦合换热方程，着重讨论了采用表面换热分析法求解表面传热系数以求解壁温的方法。
Applies the method of surface heat transfer analysis to calculating the convective heat transfer coefficient in order to solute the wall temperature.
介绍了汽轮机动叶片叶身平均对流换热表面传热系数和叶片流道下壁面对流换热表面传热系数的计算方法和计算公式。
Method and formulae for calculating the mean forced convection heat-transfer coefficient of the blade surface, as well as for the blade passage's bottom wall, are introduced.
分析了民用建筑舒适性空调负荷计算中表面传热系数、内围护结构负荷、渗透风负荷、设备负荷、蓄热负荷的确定等问题。
Analyses the determination of surface heat transfer coefficient, interior building envelope load, air infiltration load, equipment load and heat storage load, etc.
粘性流场的模式成立，在电机，增加传热推进剂表面通过更大的传质。
Viscous flow patterns are set up in the motor, increasing heat transfer to the propellant surface through greater mass transfer.
流化床的一大优点在于能产生一个充分混合的具有很大表面积的流体与固体的接触系统，这对高效反应和传热都很有用。
A major advantage of fluidised beds is that they provide a well mixed, high surface area, fluid-solid system which is useful for efficient reactions and heat transfer.
用数值方法分析了开口空腔中的湍流自然对流与表面辐射相互耦合的复杂传热。
The complex heat transfer of turbulent natural convection combined with surface radiation in open cavities is analyzed by numerical method.
建立了微型脉冲推力器点火启动模型，模型中考虑了两相流动和颗粒对推进剂表面的冲击传热。
Ignition start-up model of impulse micro-thruster is established, considering two phase flow and impact heat transfer of particle on the surface of propellant.
考察了淡水和海水在离子镀铬、氮化钛和化学处理水平铝管外表面的降膜传热热性。
Seawater falling film evaporation heat transfer and anti-fouling characteristics were investigated on ion-plated chromium, TiN and chemically treated aluminum tubes.
固体表面上形成的蒸发薄液膜，对微细空间内的传热有重要强化作用。
The thin liquid film formed on a solid surface can significantly enhance the heat transfer of micro scale.
使用性能合适的保护渣可以改善结晶器内初始坯壳的传热条件，控制表面裂纹的产生。
The heat transfer conditions in initial shells in mould can be improved and the surface cracks can be controlled by using good workability powders.
对具有单个加热壁的二维方形开口空腔内的湍流自然对流与表面辐射的耦合传热进行了数值研究。
A numerical study is carried out for the combined heat transfer of turbulent natural convection and surface radiation in an two-dimensional open square cavity with only one heated wall.
本文综述了多孔表面用于强化沸腾传热的研究工作。
Researches on boiling heat transfer enhancement on porous surfaces are reviewed.
对浸泡在强润湿性液体中的光滑传热表面的沸腾起始状态进行了实验及理论研究。
An experimental and theoretical study was conducted to investigate the incipient boiling condition of smooth heat transfer surface immersed in highly wetting liquids in the paper.
据此提出了考虑垢层表面温度变化的描述结垢过程的传热传质模型。
A heat mass transfer model is constructed to take the variation of the scaling layer surface temperature into consideration.
综述了复合金属丝网多孔表面的强化沸腾传热现状。
The situation of strengthened boiling heat transfer of perforated surface for clad metal wire mesh was mentioned.
测试结果反映了地板表面温度和传热延迟时间与管径、管间距、管道埋深和管道平均水温之间的关系。
The results revealed the relationship of floor surface temperature and heat lag with floor structures and water conductions.
本文介绍了一种柴油机燃烧室瞬态传热的实验研究方法——表面温度法。
In this paper an experimental method for investigation on instantaneous heat transfer in combustion chamber of diesel engines-the surface temperature method is presented.
热负荷的改变方式、最高初始热负荷以及加热前表面状态均将显著影响T管的沸腾传热性能和滞后现象。
The heat transfer efficiency and boiling hysteresis are affected by the method to change heat loading, the maximum initial heat loading, and surface aging before heating.
本文给出了高超声速飞行器表面摩阻和传热系数(斯坦顿数)的计算结果。
In this paper the results of calculations of the coefficients of skin friction and heat transfer (Stanton number) on the surface of hypersonic flight vehicle are presented.
结果表明，传热系数与表面温度密切相关，但相关程度取决于颗粒粒径及筛分范围。
It has been shown that the heat transfer factor is closely related to the surface temperature, but the degree of correlation depends on the particle diameter and sieve range adopted.
对各种传热表面的板翅式紧凑热交换器进行了优化设计计算，建立了通用优化程序系统。
The design optimization is accomplished on all kind of plate-fin surfaces of compact heat exchangers and its general optimization program is set up.
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