Experimental investigations on adiabatic frictional pressure drops of R134a during flow in 5 mm diameter channel

Andrzejczyk Rafal; Muszynski Tomasz; Dorao Carlos Alberto

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Experimental investigations on adiabatic frictional pressure drops of R134a during flow in 5 mm diameter channel

机译：5 mm直径通道流动过程中R134a绝热摩擦压降的实验研究

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The article presents detailed two-phase adiabatic pressure drops data for refrigerant R134a at a saturation pressure of 5.5 bar corresponding to the saturation temperature of 19.4 degrees C. Study cases have been set for a mass flux varying from 100 to 500 kg/m(2) s. The frictional pressure drop was characterized for the refrigerant R134a, for vapor qualities ranging from 0 to 1. Long-time thermal stability of test facility allowed to gather a comprehensive experimental database for two-phase frictional pressure drop including multiple data points in transition and dryout flow regions. The effect of transition region on the peak value of two-phase frictional pressure drop, for literature models and experiment, is recognized.

机译：本文呈现详细的两相绝热压降用于在5.5巴的饱和度压力下对应于19.4摄氏度的饱和温度的饱和度压力下降的制冷剂R134a的数据。已经设定了从100至500kg / m的质量磁通量的研究病例（2 ）s。摩擦压降的特征在于制冷剂R134a，用于蒸汽品质范围为0至1.测试设施的长时间热稳定性允许为两相摩擦压降收集综合实验数据库，包括转换和干沟中的多个数据点流量区域。识别过渡区域对文学模型和实验的两相摩擦压降峰值的影响。

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来源
《Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics》 |2017年第2017期|共10页
作者
Andrzejczyk Rafal; Muszynski Tomasz; Dorao Carlos Alberto;
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作者单位

Gdansk Univ Technol Fac Mech Engn Dept Energy &

Ind Apparat Narutowicza 11-12 PL-80233 Gdansk Poland;

Gdansk Univ Technol Fac Mech Engn Dept Energy &

Ind Apparat Narutowicza 11-12 PL-80233 Gdansk Poland;

Norwegian Univ Sci &

Technol Dept Energy &

Proc Engn N-7491 Trondheim Norway;

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原文格式 PDF
正文语种 eng
中图分类流体力学;
关键词
Adiabatic flow; Frictional pressure drop; Two-phase flow; R134a;

机译：绝热流;摩擦压降;两相流动;R134A;

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专利

1. Experimental investigations on adiabatic frictional pressure drops of R134a during flow in 5 mm diameter channel [J] . Andrzejczyk Rafal, Muszynski Tomasz, Dorao Carlos Alberto Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2017,第期

机译：5 mm直径通道流动过程中R134a绝热摩擦压降的实验研究
2. Investigations on mixture preparation for two phase adiabatic pressure drop of R134a flowing in 5 mm diameter channel [J] . Tomasz Muszyński, Rafa? Andrzejczyk, Carlos A. Dorao Archives of Thermodynamics . 2017,第3期

机译：R134a在5mm直径通道中流动的两相绝热压降的混合物制备研究。
3. An experimental investigation of flow boiling heat transfer and pressure drop of R134a in a horizontal 2.168 mm tube under hypergravity. Part Ⅰ: Frictional pressure drop [J] . Yu Xu, Xiande Fang, Guohua Li, International Journal of Heat and Mass Transfer . 2014,第auga期

机译：超重力下水平2.168 mm管中R134a的流沸腾传热和压降的实验研究。第一部分：摩擦压降
4. Experimental Adiabatic Two-phase Pressure Drop of R134a Flowing Inside a Multiport Minichannel [C] . M. Mostaqur Rahman, Khairul Bashar, Yasuhiro KUDO, BSME International Conference on Thermal Engineering . 2017

机译：Muliport MinioCannel内部流动的R134a实验绝热两相压降
5. Experimental study on two-phase flow regimes and frictional pressure drop in mini- and micro-channels. [D] . Pehlivan, Korhan Kaan. 2003

机译：微通道和微通道中两相流态和摩擦压降的实验研究。
6. Experimental Investigation and Prediction on Pressure Drop during Flow Boiling in Horizontal Microchannels [O] . Yan Huang, Bifen Shu, Shengnan Zhou, 2021

机译：水平微通道流动沸腾过程中压降的实验研究与预测
7. Investigations on mixture preparation for two phase adiabatic pressure drop of R134a flowing in 5 mm diameter channel [O] . Muszyński Tomasz, Andrzejczyk Rafał, Dorao Carlos A. 2017

机译：R134a在5 mm直径通道内两相绝热压降的混合物制备研究
8. Adiabatic two-phase flow frictional pressure drop: Part 1, Critical parameters and friction factors for air-water mixture. [R] . N. T. Obot M. W. Wambsganss J. A. Jendrzejczyk D. M. France 1991

机译：绝热两相流摩擦压降：第1部分，空气 - 水混合物的临界参数和摩擦系数。

Experimental investigations on adiabatic frictional pressure drops of R134a during flow in 5 mm diameter channel

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