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Studies of Gas-Liquid Flow in Microgravity: Void Fraction, Pressure Drop and Flow Patterns

机译：微重力气液流动研究：空隙分数，压降和流动模式

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摘要

A 1.27 cm diameter two phase gas-liquid flow experiment has been developed with the NASA Lewis Research Center to study two-phase flows in microgravity. The experiment allows for the measurement of void fraction, pressure drop, film thickness and bubble and wave velocities as well as for high speed photography. three liquids were used to study the effects of liquid viscosity and surface tension, and flow pattern maps are presented for each. The experimental results are used to develop mechanistically based models to predict void fraction, bubble velocity, pressure drop and flow pattern in microgravity.

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作者
Bousman, W. S.; Dukler, A. E.;
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年度 1993
页码 1-14
总页数 14
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
TWO PHASE FLOW; LIQUID-GAS MIXTURES; MICROGRAVITY; INTERFACIAL TENSION; FLOW DISTRIBUTION; MATHEMATICAL MODELS; PRESSURE MEASUREMENT; VOID RATIO; FILM THICKNESS; VELOCITY DISTRIBUTION; FRICTION FACTOR; PRESSURE GRADIENTS; BUBBLES; HIGH SPEED PHOTOGRAPHY; FLOW VISUALIZATION; ANNULAR FLOW;

机译：两相流动;液 - 气混合物;微重力;界面张力;流量分配;数学模型;压力测量;空置率;电影厚度;速度分布;摩擦因素;压力梯度;泡沫式膨胀。高速摄影;流动可视化;环形流动;

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专利

1. The Flow Characteristics of an Upward Gas-Liquid Two-Phase Flow in a Vertical Tube with a Wire Coil: Part 1. Experimental Results of Flow Pattern, Void Fraction, and Pressure Drop [J] . Keishi Takeshima, Terushige Fujii, Nobuyuki Takenaka, Heat Transfer Asian Research . 2002,第8期

机译：带有线圈的垂直管中的气液两相向上流动的流动特性：第1部分。流型，空隙率和压降的实验结果
2. Gas-liquid two-phase flow in a square microchannel with chemical mass transfer: Flow pattern, void fraction and frictional pressure drop [J] . Yaran Yin, Chunying Zhu, Rongwei Guo, International Journal of Heat and Mass Transfer . 2018,第PTaB期

机译：具有化学传质的方形微通道中的气液两相流：流型，空隙率和摩擦压降
3. Flow pattern, pressure drop and void fraction of two-phase gas-liquid flow in an inclined narrow annular channel [J] . Wongwises S, Pipathattakul M Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2006,第4期

机译：倾斜窄环形通道中两相气液流的流型，压降和空隙率
4. UNIQUE CHARACTERISTICS OF ADIABATIC GAS-LIQUID FLOWS IN MICROCHANNELS: DIAMETER AND SHAPE EFFECTS ON FLOW PATTERNS, VOID FRACTION AND PRESSURE DROP [C] . M. Kawaji, P.M.-Y. Chung, The American Society of Mechanical Engineers International Conference on Microchannels and Minichannels . 2003

机译：微通道中绝热气液流动的独特特性：对流动模式的直径和形状效应，空隙分数和压降
5. Experimental measurements and modeling of void fraction and pressure drop in upward and downward inclined non-boiling gas-liquid two phase flow [D] . Bhagwat, Swanand Madhav. 2015

机译：向上和向下倾斜的非沸腾气液两相流动的空隙分数和压降的实验测量和模型
6. Gas Void Fraction Measurement of Gas-Liquid Two-Phase CO2 Flow Using Laser Attenuation Technique [O] . Haochi Wu, Quansheng Duan 2019

机译：激光衰减技术测量气液两相CO2气孔分数
7. Flow Patterns, Void Fraction, Pressure Drop, and Convective Heat Transfer in Gas-Liquid Two Phase Flow in Various Pipe Inclinations [O] . Afshin J. Ghajar 2018

机译：流动模式，空隙级分，压降和气液倾斜两相流动中的对流传热
8. Flow Patterns and Pressure Drop in Horizontal Two-Phase Pipe Flow. [R] . choe, w. g. weisman, j. 1977

机译：水平两相管流中的流型和压降。

Studies of Gas-Liquid Flow in Microgravity: Void Fraction, Pressure Drop and Flow Patterns

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