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《中国化学工程学报(英文版)》 2008-02
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Performance of a Horizontally Mounted Venturi in Low-pressure Wet Gas Flow

FANG Lide and ZHANG Tao Key Laboratory for Process Measurement and Control,School of Electrical Engineering and Automation,Tianjin University,Tianjin 300072,China  
The performance of a Venturi tube used in wet gas flow have been explored mainly under higher-pressure condition,but very often,low-pressure test exists in some oil and gas fields in Tianjin Dagang Oil and Gas Field in China.In this study,the performance of horizontally mounted Venturi meters in low-pressure wet gas flow is dis- cussed.Three 50 mm Venturi meters were tested systematically,withβvalues of 0.4048,0.55 and 0.70,the opera- tion pressure of 0.15 MPa,0.20 MPa,0.25 MPa,the gas densiometric Froude number from 0.6 to 2.0,the modified Lockhart-Maretinelli parameter from 0.0022 to 0.06,and the ratio of the gas liquid mass flow rate from 0.5 to 0.99. The effects of modified Lockhart-Maretinelli parameter,pressure,gas densiometric Froude number,diameter ratio, and gas-liquid mass flow rate ratio to the Venturi tube are analyzed with new independent data.Furthermore, low-pressure performance was compared with that under high pressure.
【Fund】: the National High Technology Research and Development Program of China(2006AA04Z167 2007AA04Z180)
【CateGory Index】: TQ021
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