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首页> 外文期刊>Heat Transfer Engineering >Heat Transfer Characteristics in an Evaporating Thin Film and Intrinsic Meniscus in a Binary Fluid Sessile Droplet
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Heat Transfer Characteristics in an Evaporating Thin Film and Intrinsic Meniscus in a Binary Fluid Sessile Droplet

机译：蒸发薄膜和二元液体柄液滴中的传热特性和内在弯月面

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摘要

The evaporation of binary droplets containing a mixture of two species with completely different physicochemical properties is important in many applications. This paper describes a numerical study of the heat transfer characteristics of a thin liquid film and an intrinsic meniscus in a sessile droplet of a binary fluid, 5.0(wt)% aqueous n-butanol solution, to analyze the influence of various factors on the heat transfer. The thin film was longer than for a water droplet and the heat and mass fluxes were greater. The droplet contact radius, wall superheat, contact angle, and the air in a closed environment can affect the contribution of the heat transfer in the thin film region on the overall heat transfer. The wall superheat has the greatest effect on the heat transfer followed by the droplet size, surface wettability, and non-condensable gas. These four significant effects can be efficiently combined to enhance the heat transfer in applications involving binary droplet evaporation.
机译：在许多应用中，含有两种具有完全不同的物理化学性质的两种物种混合物的二元液滴的蒸发在许多应用中是重要的。本文介绍了薄液膜的传热特性和二元液体液体液体，5.0（wt）％水性正丁醇水溶液水溶液中的内在弯液体的数值研究，分析各种因素对热量的影响转移。薄膜长于水滴，热量和质量助熔剂更大。液滴接触半径，壁过热，接触角和闭合环境中的空气可以影响薄膜区域在整体传热上的传热贡献。壁过热对传热后跟液滴尺寸，表面润湿性和不可冷凝气体具有最大的影响。可以有效地组合这四种显着效果，以增强涉及二元液滴蒸发的应用中的传热。

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  • 来源
    《Heat Transfer Engineering》 |2019年第8期|450-463|共14页
  • 作者

    Zhou Shengni; Zhou Leping; Du Xiaoze; Yang Yongping;

  • 作者单位

    North China Elect Power Univ Minist Educ Key Lab Condit Monitoring & Control Power Plant E Sch Energy Power & Mech Engn Beijing Peoples R China;

    North China Elect Power Univ Minist Educ Key Lab Condit Monitoring & Control Power Plant E Sch Energy Power & Mech Engn Beijing Peoples R China;

    North China Elect Power Univ Minist Educ Key Lab Condit Monitoring & Control Power Plant E Sch Energy Power & Mech Engn Beijing Peoples R China;

    North China Elect Power Univ Minist Educ Key Lab Condit Monitoring & Control Power Plant E Sch Energy Power & Mech Engn Beijing Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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