Intelligent Air Management for Ultimate Flexibility of Ship Propulsion Plant Operation - 1st Report: Experiment and Simulation

Hikaru Eda; Daisuke Jige; Norihiro Inoue

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Intelligent Air Management for Ultimate Flexibility of Ship Propulsion Plant Operation - 1st Report: Experiment and Simulation

机译：智能空气管理，实现船舶推进装置运行的极致灵活性 - 第一份报告：实验和模拟

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This study experimentally investigated the boiling flow heat transfer and two-phase frictional pressure drop characteristics of the refrigerant R32 in a horizontal multiport tube with circular minichannels. The boiling heat transfer coefficients and two-phase pressure drops were measured at a saturation temperature of 15℃ for mass velocities that ranged from 50 to 400 kgm~(-2)s~(-1) and heat fluxes that ranged from 5 to 40 kWm~(-2). The effects of mass velocity, heat flux, and vapor quality on the boiling heat transfer characteristics were clarified. The measured boiling heat transfer coefficients and two-phase frictional pressure drops were compared with previous correlations. Under the low mass velocity and low heat flux conditions, the boiling heat transfer characteristics differed from the previous correlations for conventional large diameter tubes. The two-phase frictional pressure drops were in good agreement with previous correlation, except for the mass velocity of 50 kgm~(-2)s~(-1).

机译：本研究通过实验研究了制冷剂R32在圆形微通道水平多端口管中的沸腾流动传热和两相摩擦压降特性。在50-400 kgm~（-2）s~（-1）质量流速和5-40 kWm~（-2）热通量范围内，在15°C饱和温度下测得沸腾传热系数和两相压降。阐明了质量速度、热通量和蒸汽质量对沸腾传热特性的影响。将测得的沸腾传热系数和两相摩擦压降与先前的相关性进行了比较。在低质量速度和低热通量条件下，沸腾传热特性与以往常规大口径管的相关性不同。除质量速度为50 kgm~（-2）s~（-1）外，两相摩擦压降与先前的相关性吻合较好。

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《日本マリンエンジニアリング学会誌》 |2018年第529期|447-452|共6页
作者
Hikaru Eda; Daisuke Jige; Norihiro Inoue;
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作者单位

Tokyo University of Marine Science and Technology;

Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology;

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原文格式 PDF
正文语种英语
中图分类船舶工程;
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Intelligent Air Management for Ultimate Flexibility of Ship Propulsion Plant Operation - 1st Report: Experiment and Simulation

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