查询词典 Heat

Plate-shell heat exchanger is new equipment of combining the advantage of shell and tube heat exchanger and plate heat exchanger.

板壳式换热器是集板式换热器和管壳式换热器优点于一身的新型换热设备。

The comprehensive heat transfer basic trial study about the influence factors, regular pattern and the limit heat transfer capability and effect of augmentation of heat transfer of jet impingement has been completed.

在关于发生在磨削弧区的传热过程的深入的机理研究的基础上，提出了可以通过有效强化弧区换热过程，大幅度开发高效磨削潜力的创新思想，并在此基础上构思设计了采用径向高压水射流冲击强化冷却弧区工件表面的独创方案。

By means of numerical simulation in different heat conduction processes, the steady-state temperature field in upper arm skin tissue, the temperature distribution and the burn depth threshold after 15 s exposure to a heat source at 90℃, the surface temperature rising of skin subjected to a surface-applied constant heat flux, and the steady state temperature elevation distribution under the thermal insulation, are obtained.

通过数值模拟，获得了不同皮肤组织结构模型下上臂皮肤组织内的稳态温度场和90℃高温热源作用15 s后皮肤组织内的温度分布，以及皮肤组织热损伤深度的变化、常热流作用下皮肤组织表面的温升曲线和表面绝热条件下皮肤组织内的稳态温升分布。

An expression of combined heat transfer coefficient was obtained based on the heat transfer analysis of a blast furnace copper stave, and the combined heat transfer coefficients at different gas temperatures were obtained through the thermal test in an experimental furnace.

根据铜冷却壁传热过程分析，得到铜冷却壁热面复合传热系数的计算公式，并在1：1的热态实验炉上进行了热态实验，得到不同炉气温度下相应的热面复合传热系数值。

This paper introduces the selection of the heat relay s type and current its reset mode, points out that connection wire section of rated current of heat relay should be selected according to strict rules it can not take as the protective device of wire short circuit puts forward working environment and temperature of heat relay and matters needing attention of reset after operation.

介绍了热继电器的类型选择、电流的选择、复位形式，指出热继电器的连接导线截面应按规定选择，热继电器不能作为线路的短路保护装置，热继电器的工作环境温度，动作后的复位等注意事项。

With a constant space and different duty ratios, two conditions with high heat transfer performances emerged mainly due to the different degrees of influence of the heat transfer surface area and the rib thickness on the heat exchange performance.

以换热系数进行比较，当占空比为83％左右时，热沉表面温度最低，换热性能最佳；当间距恒定不变而占空比不同时，会出现两个换热性能较好的情况，主要是由于换热表面积和肋片厚度影响换热性能的程度不同。

By setting up the mathematical models of the regulating objects （combusting heat transfer, heat utilization and storage, superheater and main steam pipe line）, by combining heat transfer function of regulating system and by selecting method of setting PID accoding to set attenuation index object, the corrections among PID and pulverized coal＇s caloric values are found. Now the PID can be set according to caloric values of the pulverized coal burned in the unit and the automatic control can be put into operation.

通过建立调节对象四个环节（燃烧传热过程、热量的利用和储存过程、过热器、主蒸汽管道）的数学模型，结合调节系统的传递函数，选用按给定衰减指数设定PID参数的方法，找出PID参数与煤粉热值的关系式，最终达到在机组燃烧不同热值的煤粉时可依据该方法设定不同的PID参数、并都能投自动的目的，从而有利于提高机组的稳定性，并可节约煤粉。

The main works are listed as follows:1 Thermal Computi ng model of steam pipe network were built with good match to actual operating dataThe thermal calculation model of steam pipe network was established according to the steam pipe network heat transfer characteristics and the thermal equilibrium principle,. It includes steam temperature drop expression, the expression of per unit length heat loss when steam pipe laying in different ways and total heat transfer coefficient expression.

该模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热系数方程等组成，利用散热损失计算公式对钢套钢蒸汽保温管道不同敷设方式、不同管径的散热损失等总传热系数的影响因素进行了分析，计算结果表明三方程联合求解提高了新建蒸汽管网热力计算的准确度，可用于新建蒸汽管网的热力计算。

By the concrete index and using request of 1 375 ℃ high strength castable refractory , 1 204 ℃ heat insulating refractory, 1 260 ℃ heat insulating refracrory,1 09 3℃ heat insulating refractory and 1 316 ℃ Si castable, the castable refractory for CSP billet soaking furnace is researched, which is acquired the good using effect.

根据CSP薄板坯均热炉用1375℃高强度浇注料、1204℃隔热浇注料、1260℃隔热浇注料、1093℃隔热浇注料和1316℃熔合硅浇注料的具体指标和使用要求，结合国内耐火原料的特点，研制出了满足CSP薄板坯均热炉使用需要的耐火浇注料，达到了预期效果。

The study of the influence of heat insulation layer on the result of deicing or snow-melting illustrates that if the cost of making heat insulation layer is high and the price of the electricity is proper, the heat insulation layer can be abandoned.

通过分析隔热层的存在与否对融雪化冰效果的影响，提出了可以考虑不设隔热层的方案。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。