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首页> 外文会议>International Conference on Ocean, Offshore and Arctic Engineering >EXPERIMENTAL INVESTIGATION OF PRESSURE DROP OF GAS/NON-NEWTONIAN FLOW IN HORIZONTAL PIPES
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EXPERIMENTAL INVESTIGATION OF PRESSURE DROP OF GAS/NON-NEWTONIAN FLOW IN HORIZONTAL PIPES

机译：水平管中气/非牛顿流量压降的实验研究

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Two-phase flow of gas/non-Newtonian fluid through pipes is commonly occurred in chemical industry and oil and gas refinery. Many correlations have been developed to evaluate pressure drop for non-Newtonian fluids. Based on that, these systems are not governed by Newtonian law of viscosity. However, only little experimental work has been devoted to study non-Newtonian flow behavior. In this present work, experimental setup has been conducted to investigate non-Newtonian two-phase (gas/ liquid) flow through pipes. Several concentrations of Xanthan Gum have been used as non-Newtonian liquid in the experiments and compressed air has been used as a gas. The flow rate and pressure of liquid and gas are changed by using a pump placed ahead of the mixing point. Pressure and temperature values are recorded by pressure sensors and thermocouples fixed at specific points along the pipe loop. Results of theses experiments are leaded to come up with experimental model for pressure drop of gas/non-Newtonian flow in pipes. Moreover, the flow regimes of two-phase gas/non-Newtonian flow at different conditions have been visualized through transparent tubes using a high-speed camera.
机译：化学工业和石油和天然气炼油厂通常发生两相燃气/非牛顿流体流量。已经开发了许多相关性来评估非牛顿流体的压降。基于此，这些系统不受牛顿粘度定律管辖。然而，只有很少的实验工作已经致力于研究非牛顿流动行为。在本工作中，已经进行了实验设置以调查非牛顿两相（气/液）流过管道。几种浓度的黄原胶被用作实验中的非牛顿液体，并且压缩空气已被用作气体。通过使用在混合点之前放置的泵改变液体和气体的流速和压力。压力和温度值通过压力传感器和热电偶记录在管回路的特定点处。介绍了论文实验的结果提出了管道中气/非牛顿流量的压降实验模型。此外，通过使用高速相机通过透明管可视化不同条件下的两相气/非牛顿流的流动制度。

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