| 汽液喷射器特性研究的进展与现状 |
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| 引用本文： | 李刚,袁益超,刘聿拯. 汽液喷射器特性研究的进展与现状[J]. 锅炉技术, 2009, 40(2) |
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| 作者姓名： | 李刚 袁益超 刘聿拯 |
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| 作者单位： | 1. 上海理工大学,动力工程学院,上海,200093;广西大学,电气工程学院,广西,南宁,530004
2. 上海理工大学,动力工程学院,上海,200093 |
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| 摘 要： | 介绍了汽液喷射器的特点、实际应用及其性能研究的意义.对影响喷射性能的结构参数和状态参量进行了分析讨论,根据汽液喷射器的实验理论研究整理了一些与喷射性能有关的主要结果.论述了凝结激波产生的机理及对汽液喷射器出口压力提高的作用,在此基础上阐述了升压的原理及特点.针对经验模型在处理汽液喷射器内复杂的两相流动及相变中存在不足,提出利用直接接触凝结理论求解通用两相流控制方程,并对求解的一些关键问题,如采用平均凝结换热系数计算相间质量传递及利用汽羽确定各相体积分数等进行详细论述.
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| 关 键 词： | 喷射器 两相流 直接接触凝结 激波 汽羽 |
Progress and Status on Performance of Steam-Water Injector |
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| LI Gang,YUAN Yi-chao,LIU Yu-zheng. Progress and Status on Performance of Steam-Water Injector[J]. Boiler Technology, 2009, 40(2) |
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| Authors: | LI Gang YUAN Yi-chao LIU Yu-zheng |
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| Affiliation: | LI Gang1,2,YUAN Yi-chao1,LIU Yu-zheng11.College of Power Engineering,University of Shanghai for Science , Technology,Shanghai 200093,China,2.College of Electrical Engineering,Guangxi University,Nanning 530004 |
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| Abstract: | The characteristics,application and research on performance of steam-water injector are introduced.The structure and state parameters on jet performance are described in detail,and a number of main conclusions are analyzed and discussed based on some experimental and theoretical researches.The forming mechanism of shock wave and its effect on lifting discharge pressure are discussed,as a result the mechanism and characteristics of lifting pressure are described.Because some empirical models were weak in han... |
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| Keywords: | injector two-phase flow direct contact condensation shock wave steam plume |
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