Groups of sprays of a water drop free falling into the melted metal impact

Chashechkin, Y.D.; Yakush, S.E.; Ilinykh, A.Y.

Авторы: Chashechkin Y.D., Yakush S.E., Ilinykh A.Y.
Журнал: Doklady Physics
Том: 66
Номер: 6
Год издания: 2021
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 164
Последняя страница: 168
Оригинальные версии: Группы брызг импакта капли воды, свободно падающей в расплавленный металл
DOI: 10.1134/S1028335821060033
Аннотация: Changes in the composition of groups of droplets (sprays) emitted by a drop of water D=0.42 cm in diameter at a velocity of U=3.3 m/s falling into a crucible with a metal melt (Rose alloy at a temperature of 200 ° C) were traced by photo and video recording for the first time. In the splash formation mode, groups of small water droplets are subsequently ejected from the tops of the spikes on the veil around the primary contact area, then from the spikes at the rim of the spreading layer. Further, water droplets fly out vertically and obliquely from the tops of short jets - streamers. Groups of small droplets are formed when large bubbles burst. After the formation of a splash and the detachment of its top with suspended gas bubbles, an emission of compound droplets consisting of a metal core and a water shell is observed. At the last stage, along with water streamers, more rare streamers consisting of melt alloy are observed, from the tops of which metal droplets fly out. The geometry of the cavity and the layer of boiling water of the spreading drop is traced.
Добавил в систему: Ильиных Андрей Юрьевич

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