Development of ultrasonic velocity profile method for multi-phase flow using liquid-gas separation technique based on the nonlinear reflected signal

基于非线性反射信号的液气分离技术多相流超声波速度剖面法的发展

• 批准号: 21760132
• 负责人: MURAKAWA Hideki
• 金额: $ 2.91万
• 依托单位: Kobe University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21760132/
• 关键词: 流体計測; 超音波流速分布計測法; ドップラ法; 気液二相流; 混相流動; 超音波; 相関法; 速度分布計測; 反射波解析; 気液分離

A system of ultrasonic velocity profiler was developed by using an ultrasonic pulser/receiver, a high-speed digitizer and a PC. Velocity distributions in single-phase flow could be measured accurately by using the system. It was shown that the identification of liquid-gas interface was possible based on the phase change of the reflected signal on the interface. The system could be synchronized with a high-speed camera, and it was shown that the liquid velocity distributions around a bubble could be measured by using the developed system.

利用超声波脉冲发生器/接收器、高速数字化仪和PC机开发了超声波速度剖面仪系统。利用该系统可以准确测量单相流的速度分布。结果表明，基于界面反射信号的相位变化可以识别液-气界面。该系统可以与高速摄像机同步，并且表明可以使用所开发的系统测量气泡周围的液体速度分布。

项目成果

超音波流速分布計測法を用いた水平ダクト内気液二相流の流動計測

超声波速度分布测量法测量水平管道内气液两相流的流量

• 发表时间: 2010
• 作者: 中田谷直広、村川英樹、杉本勝美;竹中信幸
• 通讯作者: 竹中信幸

超音波流速分布計測法による二相流計測のための気液界面同定手法の検討

超声流速分布测量法测量两相流气液界面识别方法研究

• 发表时间: 2010
• 作者: 村川英樹、阪上亮輔、杉本勝美;竹中信幸
• 通讯作者: 竹中信幸

Identification of liquid-gas interface based on ultrasonic reflected signal for two-phase flow velocity measurement

基于超声反射信号识别液气界面的两相流速度测量

• 发表时间: 2010
• 期刊: Proc. of 7th Int. Symp. on Ultrasonic Doppler Methods for Fluid Mech. and Fluid Engineering.
• 作者: H.Murakawa;R.Sakagami、K.Sugimoto;N.Takenaka.
• 通讯作者: N.Takenaka.