steam resistance

Steam Resistance In Condenser and Resistance Reduction Measures

汽阻对凝汽器的影响和减少措施

The reasonable layout of tube bundle can strengthen the heat regenerative effect and reduce flow steam resistance .

合理的管束布置，对于强化回热作用，降低流动汽阻具有重要意义。

The composition , boiling water resistance , steam resistance and other physical properties of a silicone modified urushiol resin corrosion protective paint have been described .

介绍了以有机硅改性漆酚树脂为基料的防腐涂料的构成，及其耐沸水性、耐水蒸汽性及其他理化性能。

Based on the theory of two-phase flow , the mechanism of the condenser 's steam resistance which is influenced by the steam velocity field at the condenser 's throat outlet was analyzed .

基于两相流的有关理论，分析了凝汽器喉部出口蒸汽流场对凝汽器汽阻影响的机理。

The conclusion was drawn that after the velocity field of the condenser throat outlet become more reasonable , the steam resistance can be reduced and the unit 's exhaust pressure lowered .

指出采用均流装置使300MW机组凝汽器喉部出口蒸汽流场趋于均匀以后，可以减小汽阻、降低排汽压力。

The arrangement and layout make a public impact on the steam resistance extent of condenser , uniform steam distribution in the tube bundle and the occurrence of dead zone full of air , etc.

管束的排列和布置型式对凝汽器的汽阻大小、蒸汽在管束中的分配是否均匀，以及是否会出现空气积聚的死区等都有影响。

The physical properties , dielectric property , flame retardance , heat resistance , steam resistance and radiation resistance of the compound and the finished product are in accordance with the IEC 502 ( 1994 ) and IEC 18A ( 1981 ) standards .

胶料和成品的物理机械性能、介电性能、阻燃性能和耐环境性能（耐热性、耐蒸汽性和耐辐射性）达到IEC502（1994）和IEC18A（1981）（CO）标准。

P122 steel ; steam oxidation resistance ; reheater ; main steam piping .

P122钢；抗蒸汽氧化；过热器；主蒸汽管道。

At present , the research work of water and steam flow resistance in thermal equipments are mainly in experiment and simulation , not much for the theoretical study of the flow process thermodynamic analysis .

目前，对热力设备中水和水蒸气流动阻力的研究工作多以实验和模拟为主，对于流动过程热力学分析的理论研究不多。

Numerous numerical simulation tests aimed at addressing the problem of a relatively great steam flow resistance in this type of condenser indicate that the relatively great steam flow resistance at the condenser shell-side was mainly caused by a irrational layout of the steam passage of the condenser .

针对该型凝汽器存在汽阻较大这一问题而进行了多次数值模拟，实验表明，造成凝汽器壳侧汽阻较大的主要原因是凝汽器蒸汽通道的布置不合理。

The engineering composite material precision forming system adopts steam hot-pressing or resistance conduction hot-pressing , using upper and lower heated plate to heat .

工程复合材料精密成形系统是采用蒸汽热压式（或）电阻传导热压式，即通过上下加热平板进行模压加热。

The traditional normal pressure coal gasification system has disadvantages of low efficiency of heat recycling , low use ratio of steam , high resistance of system and high consumption of coal because of the unreasonable process and gas stove construction .

由于传统常压法煤制气工艺流程及煤气炉结构不合理，造成系统热回收效率低、蒸汽利用率低、系统阻力大、煤耗高。

This paper describes some simulation experiments of transients on instrument and control failure , and shows the transient curves of the main plant operational parameters during the instrument and control failures of the pressurizer , steam generator and resistance temperature detector ( RTD ) channels .

本文介绍了在核电厂模拟器上有关仪表和控制器失灵引起的瞬变过程，并给出了稳压器、蒸汽发生器及电阻温度探测器（RTD）等通道失灵时，核电厂主要参数的变化曲线。

Direct heating methods such as flames , steam impingement , electrical resistance elements , water bath immersion , hot plates , and ovens should not be used .

不能使用直接加热系统，如火焰、蒸汽冲击、电阻元件、水槽浸泡、轻便电炉和烤箱。

Influence of Steam Velocity Field on Condenser 's Steam Resistance

蒸汽流场对凝汽器汽阻的影响