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Sublimation and vaporization of an ice aerosol particle in the form of thin cylinder by laser radiation

机译:薄圆柱形式的冰气溶胶颗粒通过激光辐射的升华和汽化

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摘要

Formulae for heat and mass exchange from the surface of ice particles of different forms are derived. Destruction of plate. cylindrical and spherical particles in the sublimation regime, as well as the subsequent melting (cylinder. disk) and evaporation of the water droplet formed are investigated. The study was conducted for the parameters averaged over the particle volume: heat release intensity, temperature, evaporation efficiency. etc. Heating time. melting time. evaporation time, evaporation efficiency, temperature for particles in the form of thin long cylinder is presented versus the intensity of laser radiation Llt various temperatures and pressures of the surrounding air. The results are compared with the correspondent evaporation parameters of a supercooled spherical water droplet.
机译:推导了不同形式的冰粒表面进行热质交换的公式。破坏板。研究了升华状态下的圆柱形和球形颗粒,以及随后的熔化(圆柱盘)和形成的水滴的蒸发情况。对整个颗粒体积的平均参数进行了研究:放热强度,温度,蒸发效率。等加热时间。融化时间。给出了蒸发时间,蒸发效率,细长圆柱体形式的颗粒的温度与激光辐射强度Llt,各种温度和周围空气压力的关系。将结果与过冷球形水滴的相应蒸发参数进行比较。

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