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首页> 外文期刊>International Journal of Computational Methods and Experimental Measurements >GAMMA DENSITOMETRY MEASUREMENTS OF GAS/LIQUID FLOW WITH LOW LIQUID FRACTIONS IN HORIZONTAL AND INCLINED PIPES
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GAMMA DENSITOMETRY MEASUREMENTS OF GAS/LIQUID FLOW WITH LOW LIQUID FRACTIONS IN HORIZONTAL AND INCLINED PIPES

机译：伽马密度测量测量气/液流量的水平和倾斜管中的低液体流量

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摘要

The ability to accurately predict the volume fraction of different phases flowing in a pipe is of extreme importance to nuclear and oil industries, among others. This article will focus on the application of a single-beam gamma densitometer to investigate gas/liquid flows with low liquid fractions in horizontal and inclined pipes. The experiments are performed in a 15 m long, 56 mm diameter, inclinable stainless steel pipe using Exxsol D60 oil (viscosity 1.30 mPa s, density 793 kg/m~3), water (viscosity 0.89 mPa s, density 999 kg/m~3) and air (viscosity 0.018 mPa s, density 1.22 kg/m~3) as test fluids. The test pipe inclination is changed in the range from 5° upward to 5° downward. Experimental measurements are reported at three different mixture velocities, 5, 10 and 15 m/s, and the inlet liquid fraction is varied from 0.0010 to 0.0100. In the experiments, the vertical interface position is measured by traversing horizontal gamma beams, and the curvature of the interface is measured by traversing vertical and angular gamma beams.
机译：准确预测管道中流动的不同阶段的体积分数的能力极为重要，核和石油工业等。本文将专注于在水平和倾斜管中使用低液体分数来研究单梁γ致密度计来研究气体/液体流量。该实验在15米长，56毫米直径，可镀不含的不锈钢管中进行（粘度1.30MPa S，密度793kg / m〜3），水（粘度0.89MPa S，密度为999kg / m〜 3）和空气（粘度0.018MPa S，密度1.22kg / m〜3）作为测试流体。测试管倾斜度在向上5°的范围内变为5°。在三种不同的混合物速度，5,10和15m / s中报告了实验测量，进样口液馏分从0.0010〜0.0100变化。在实验中，通过穿过水平伽马束来测量垂直界面位置，并且通过穿过垂直和角伽马束来测量界面的曲率。

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