Development of A New Correlation for Estimating Pressure Gradient of Oil- Water Two Phase Flow in A Horizontal Pipe

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_ADMTL-14-4_007

تاریخ نمایه سازی: 25 مرداد 1401

Abstract:

Pressure gradient of a two phase mixture in a horizontal pipe were experimentally investigated for water/super viscose oil mixtures. The mixture contained oil having a viscosity of ۶۷ cp and density of ۰.۸۷۲ g/cm۳, and pure water, flowing through an acrylic pipe having a length and diameter of ۶ m and ۲۰ mm, respectively. A high speed digital camera has been used to record visual information. Superficial velocities of water and oil were in the range between ۰.۱۸–۱.۲ m/s and ۰.۱۸–۰.۹۵ m/s, respectively. The experimental pressure gradient has been compared to the Al-Wahaibi correlation and two-fluid model. The absolute average error for the “two-fluid model” and Al-Wahaibi correlation have been calculated for ۳۰% and ۱۲%, respectively. In this investigation, a new modified correlation is developed on the basis of the Al-Wahaibi correlation, that predicts the values of pressure gradient with an absolute average error of about ۹%. The pressure gradient correlation was validated extensively against ۱۱ independent data sources. To our knowledge, this is the best pressure gradient furmola that is published for oil–water flow which includes wide range of operational conditions including fluid properties, pipe diameters and pipe materials. One of the advantages of the new proposed formula is that it also performs well for super viscosity oils.

Authors

yasha hasanzade

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

seyed ali AlaviFazel

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

zoha azizi

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

seyed mohsen peyghambarzadeh

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

alireza azimi

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

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