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内螺纹管和光管两相流不稳定性试验对比研究 被引量:3

Comparative Research on Steam-Water Two-Phase Flow Instabilities between Internally Ribbed Tubes and Smooth Tubes
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摘要 在高压试验台上进行了倾斜并联内螺纹管和光管内汽-液两相流不稳定性试验,在此基础上对两种管型进行了对比研究,探讨了两种管型下各种参数对流动不稳定性的影响。对比研究表明,发生压力降型脉动时,光管的界限热负荷小于内螺纹管;发生密度波型脉动时,内螺纹管的界限热负荷小于光管。通过对试验数据进行最小二乘法回归,给出了两种管型内发生不稳定性的界限热负荷无因次方程。 This paper compared the effects of two types of tubes, the internally ribbed tubes and the smooth tubes, on the two-phase flow instabilities in parallel inclined tubes based on the experimental investigation in high pressure test loops. Experimental results showed that the system parameters had important effects on the two-phase flow instabilities both in the two types of tubes. The thresholds of heat flux of pressure drop oscillation in smooth tubes are smaller than that in the internally ribbed tubes; otherwise, the thresholds of density wave oscillation in internally ribbed tubes are smaller than that in the smooth tubes.Non-dimensional correlations of thresholds of heat flux both in the internally fibbed and the smooth tubes had been provided through the regression calculatiOn of test data.
出处 《核动力工程》 EI CAS CSCD 北大核心 2005年第4期335-339,共5页 Nuclear Power Engineering
基金 国家自然科学基金项目(50323001) 空泡物理和自然循环国家重点实验室基金项目(51482090101JW0806)
关键词 内螺纹管 光管 不稳定性 汽-液两相流 Internally ribbed tubes, Smooth tubes, Instability, Two-phase flow
作者简介 高峰(1963-),男,博士研究生。1985年毕业于西安交通大学锅炉专业,获工学学士学位:现从事汽液两相流不稳定性和传热研究。 罗毓珊(1949-),女,研究员。1977年毕业于重庆大学热能工程专业。现从事多相流流动与传热、强化传热和多相流动测量研究工作。 陈听宽(1934—),男,教授,博士生导师,国家级有突出贡献专家。1960年交通大学锅炉专业研究生毕业。现主要从事多相流领域研究工作。
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参考文献7

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二级参考文献9

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