FLOWBOILING HEAT TRANSFER IN R-600A FLOWS INSIDE AN ANNULAR TUBE WITH METALLIC POROUS INSERTS

Wen Mao-Yu; Jang Kuang-Jang; Ho Ching-Yen

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FLOWBOILING HEAT TRANSFER IN R-600A FLOWS INSIDE AN ANNULAR TUBE WITH METALLIC POROUS INSERTS

机译：带金属多孔插入物的环形管内R-600A流动中的沸腾传热

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摘要

This investigation was undertaken to better understand the characteristics of flow boiling heat transfer (in which only the inlet is subcooled) in a hydrocarbon refrigerant, R-600a (isobutane), flowing in an annular tube with and without perforated copper porous inserts. Testing was conducted at a saturation temperature of 5 degrees C, vapor qualities of 0.08-0.87, mass fluxes of 300-400 kg/m(2)s, and heat fluxes of 119.5-195.3 kW/m(2). The effects of mass flux, heat flux, vapor quality, and insert geometry (porosity, mean pore diameter, and permeability) on R-600a heat transfer and pressure drop are discussed.

机译：进行这项研究是为了更好地理解烃制冷剂R-600a（异丁烷）在带有或不带有穿孔铜多孔插入件的环形管中流动的沸腾传热特性（仅入口被过冷）。测试在5摄氏度的饱和温度，0.08-0.87的蒸气质量，300-400 kg / m（2）s的质量通量和119.5-195.3 kW / m（2）的热通量下进行。讨论了质量通量，热通量，蒸气质量和插入几何形状（孔隙率，平均孔径和渗透率）对R-600a传热和压降的影响。

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来源
《Journal of enhanced heat transfer》 |2015年第1期|47-65|共19页
作者
Wen Mao-Yu; Jang Kuang-Jang; Ho Ching-Yen;
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作者单位

Cheng Shiu Univ, Dept Mech Engn, Kaohsiung 833, Taiwan;

Cheng Shiu Univ, Dept Mech Engn, Kaohsiung 833, Taiwan;

Hwa Hsia Univ Technol, Dept Mech Engn, Taipei 235, Taiwan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
displaced enhancement devices; two-phase flow; perforated copper inserts; annular tube; forced convection boiling;

机译：位移增强装置;两相流;带孔铜插件;环形管;强制对流沸腾;

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专利

1. The characteristics of boiling heat transfer and pressure drop of R-600a in a circular tube with porous inserts [J] . Mao-Yu Wen, Kuang-Jang Jang, Ching-Yen Ho Applied thermal engineering: Design, processes, equipment, economics . 2014,第1a2期

机译：多孔质插入件圆管内R-600a的沸腾传热和压降特性
2. Two-phase flow condensation heat transfer characteristic of R-600a inside the horizontal smooth and dimpled helical coiled tube in shell type heat exchanger [J] . Solanki Anand Kumar, Kumar Ravi International Journal of Refrigeration . 2019,第期

机译：壳体热交换器水平光滑透明螺旋螺旋管内R-600A的两相流动冷凝传热特性
3. Heat transfer characteristic of R-600a during flow boiling inside horizontal plain tube [J] . M. Nasr, M.A. Akhavan-Behabadi, M.R. Momenifar, International communications in heat and mass transfer . 2015,第Auga期

机译：R-600a在水平普通管内沸腾时的传热特性
4. The influence of Oil on the Evaporation Heat Transfer of R-600a Refrigerant inside a Micro-Fin Tube within Inserts [C] . Mao-Yu Wen, Kang-Jang Jang International Conference on Advanced Engineering Materials and Technology . 2012

机译：油对刀片内微鳍管内R-600A制冷剂蒸发传热的影响
5. Computational modeling of laminar swirl flows and heat transfer in circular tubes with twisted-tape inserts. [D] . You, Lishan. 2002

机译：带有扭曲胶带插入物的圆形管中层流涡流和传热的计算模型。
6. Heat Transfer Enhancement of Laminar Nanofluids Flow in a Circular Tube Fitted with Parabolic-Cut Twisted Tape Inserts [O] . Sami D. Salman, Abdul Amir H. Kadhum, Mohd S. Takriff, -1

机译：层状纳米流体在装有抛物线切割扭曲带插入件的圆管中的传热增强
7. A Fundamental Study of Heat-Transfer Enhancement and Flow-Drag Reduction in Tubes by Means of Wire Coil Insert. 1st Report. Characteristics of Flow Resistance and Heat Transfer in Tubes with Wire Coil Insert. [O] . Hideo Inaba, Koichi Ozaki, Shinichi Kanaoka 1994

机译：通过线圈插入件通过线圈插入物传热增强和流量减小的基本研究。第一个报告。线圈插入件管中的流动阻力与传热特性。

FLOWBOILING HEAT TRANSFER IN R-600A FLOWS INSIDE AN ANNULAR TUBE WITH METALLIC POROUS INSERTS

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