汽液沸腾鼓泡流速度分布实验研究中的超声测量

IF 1.3 Q3 ENGINEERING, MULTIDISCIPLINARY
W. Wongsaroj, H. Takahashi, N. Thong-un, H. Kikura
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引用次数: 1

摘要

本文提出了一种采用单超声气液两相分离(SUTS)技术的超声速度测定仪(UVP),用于测量汽液沸腾气泡流的速度分布。该技术能够在沸腾条件下分别测量蒸汽泡和液体的速度。为了验证该测量技术的可行性,在垂直管流仪上进行了实验。在室温至过冷沸腾温度下,研究了超声波在管壁和水中的透射和折射效果。为了验证该技术在该应用中的能力,测量了高温下水中的速度剖面。然后演示了沸腾条件下气泡流速分布的测量。结果表明,该方法可以有效地研究沸腾气泡流中两相在不同流体条件下的速度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ultrasonic Measurement for the Experimental Investigation of Velocity Distribution in Vapor-Liquid Boiling Bubbly Flow
This study proposes an ultrasonic velocity profiler (UVP) with a single ultrasonic gas-liquid two-phase separation (SUTS) technique to measure the velocity distribution of vapor-liquid boiling bubbly flow. The proposed technique is capable of measuring the velocity of the vapor bubble and liquid separately in boiling conditions. To confirm the viability of the measurement technique, the experiment is conducted on vertical pipe flow apparatus. The ultrasonic transmission and effect of ultrasonic refraction through the pipe wall and water are investigated at ambient temperature until subcooled boiling temperature is reached. The velocity profile in the water at elevated temperature is measured to verify the ability of the technique in this application. The bubbly flow velocity distribution measurement in boiling conditions is then demonstrated. The results show that the proposed technique can effectively investigate the velocity of both phases under various fluid conditions in boiling bubbly flow.
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来源期刊
CiteScore
2.80
自引率
0.00%
发文量
18
审稿时长
12 weeks
期刊介绍: The IJETI journal focus on the field of engineering and technology Innovation. And it publishes original papers including but not limited to the following fields: Automation Engineering Civil Engineering Control Engineering Electric Engineering Electronic Engineering Green Technology Information Engineering Mechanical Engineering Material Engineering Mechatronics and Robotics Engineering Nanotechnology Optic Engineering Sport Science and Technology Innovation Management Other Engineering and Technology Related Topics.
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