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<p>The time of evaporation of a single droplet of a heat-transfer agent and the change in this droplet in the process of its interaction with a surface, whose temperature is higher than the saturation temperature, were defined. On the assumption that a spherical droplet is transformed into an ellipsoid of revolution, a mechanism of boiling of the liquid in the droplet with formation of a vapor film on the droplet surface is proposed. An equation for calculating the time of evaporation of a droplet and a formula for estimating the thickness of the vapor layer under the spheroid formed have been obtained. A computational relation for estimating the time of interaction of a droplet with a wall is presented.</p>

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Model of Evaporation of a Single Droplet of a Heat-Transfer Agent in the Process of Interaction of Its Dispersed Flow with a High-Temperature Surface

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • A. V. Zakharenkov,
  • A. T. Komov

摘要

The time of evaporation of a single droplet of a heat-transfer agent and the change in this droplet in the process of its interaction with a surface, whose temperature is higher than the saturation temperature, were defined. On the assumption that a spherical droplet is transformed into an ellipsoid of revolution, a mechanism of boiling of the liquid in the droplet with formation of a vapor film on the droplet surface is proposed. An equation for calculating the time of evaporation of a droplet and a formula for estimating the thickness of the vapor layer under the spheroid formed have been obtained. A computational relation for estimating the time of interaction of a droplet with a wall is presented.