Relative research on vapor space pressure management system in refueling service stations 加油站地下储油罐压力管理系统的相关研究水罐车作业水罐车供水
The bulk storage tank can either supply gas from the vapor space or liquid from the bottom of the tank. 大容量储存容器能够或者从蒸气空间供应气体,或者从容器底部供应液体。
If warmer carbon dioxide gas is desired, vapor is withdrawn from the vapor space in the storage tank and superheated. 如果需要温度更高的二氧化碳气体,可以从蒸气空间提取出蒸气,并使其过热。
In the cylinder this expansion space is provided by the vapor space or head space. 在钢瓶内,这种膨胀空间由蒸气空间或排出空间提供。
Numerical Simulation of Explosion Overpressure Field of Flammable Vapor with Barriers in Open Space 有障碍物开敞空间可燃气云爆炸超压场的数值模拟
The liquid is pushed from the cylinder by the vapor pressure of the product. As the liquid is removed, it increases the volume of the vapor space of the cylinder. 产品的蒸气压把液体推出钢瓶。在液体被提取后,它增加了钢瓶蒸气空间的体积。
Numerical analysis on the feasibility and inversion method of microwave remote sensing of clear-air atmospheric water vapor profiles from space 微波空对地遥感水汽分布的可能性及反演方法
Ta and Nb possess the superiorities of high melting point, good ductibility, low vapor tension, causticity-resistant and high thermal conductivity and so on. They are the important raw materials of electronic, atomic, space navigation, steel and chemical industry, etc. 钽和铌具有熔点高,延性好,蒸气压低,耐蚀性强和热导率大等优良特性,是电子、原子能、宇宙航行、钢铁、化工等工业的重要原料。
The key techniques of the vapor compression heat pump for space use are discussed, which include microgravity two-phase heat exchangers, non-lubricated high-speed compressor etc. 分析了航天用蒸汽压缩热泵的关键技术,包括微重力相变换热器及其研究方法、无润滑高转速压缩机等。
Dynamic leakage model of pure refrigerant from vapor and liquid space was established. The whole leakage process was described in detail. 建立了纯制冷剂气相、液相空间动态泄漏模型,详细描述动态泄漏的整个过程;
The aim of this paper is to study evaporation of LNG liquid and simulate dynamic process of vapor space. 本文的目的就是研究LNG储罐内的液体的蒸发,模拟储存过程中储罐内蒸发气相空间的动态过程。
After a frequency domain analysis of pressure-drop time series under various experimental operating conditions it is found that the emergence of pressure-drop oscillations in mini-channels can mainly be attributed to vapor generation, transmission and the coupling of mini-channels with inlet compressible or flexible space. 对不同实验工况下压降时序进行频域分析,提出微小通道压降振荡的产生主要源于汽泡产生、传输及微小通道与入口可压缩空间或柔性空间的耦合;
The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effectively prevent the tank top from cracking. 提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。
Influence of water vapor content and space velocity on the two reactions was also investigated. 此外还考察了水蒸汽含量以及空速的变化对反应的影响。
Vapor compression heat pump is a new concept of thermal control system and refrigerator for future space use. 蒸汽压缩热泵是未来大型航天器热控系统和制冷设备的新方案。
On the base of analyses of evaporation, dynamic process of vapor space has been described during storage and dynamic model of large LNG tank's vapor space has been established. 在此基础上,描述了LNG在储存时气相空间动态变化过程,建立了大型LNG储罐的气相空间的动态模型。
Research on Vapor Compression Heat Pump for Space Use 航天领域蒸汽压缩热泵技术研究进展
The author used 1-dimensional unsteady state heat conduction equation to calculate the thickness of hot water layer, ( with sparger, without drain, with vapor space). All the experimental data fall in the ± 23% predicted value. 用一维非稳态导热方程来计算加遮流板不排水(有汽空间)热水层厚度,计算值落在预测值的±23%以内。
And the influence of main inherent and exterior factors on dynamic leakage of vapor space was analyzed. 分析了制冷剂主要内外因素对气相空间动态泄漏过程的影响。
At last, the influence of technological conditions ( such as the pretreatment time of water vapor, space velocity and CO content in feed gas) on the catalytic activity of Pd-Cu/ APT catalyst, the intermitted use and the store stability of the catalyst were investigated. 最后还考察了水蒸气预处理时间、空速、原料气中CO含量等工艺条件对Pd-Cu/APT催化剂催化氧化性能的影响以及该催化剂的间断使用、储存稳定性等。