Abstract

Three-dimensional modeling of air injection into a closed pipe region filled with liquid (water, liquid lead) is carried out at high pressure drops. It is shown that in the three-dimensional calculation, the instability of the interphase surface in the form of ring waves of deformation on the upper surface of the projectile is significantly manifested. When air is injected into water, the difference in the configuration of the interphase surface obtained in axisymmetric (two-dimensional) and three-dimensional calculations is insignificant. When injected into a liquid with a substantially higher density (liquid lead), this difference is especially pronounced in the compression phase of the gas projectile.

Original languageEnglish
Article number012047
Number of pages6
JournalJournal of Physics: Conference Series
Volume1677
Issue number1
DOIs
Publication statusPublished - 3 Dec 2020
Event36th Siberian Thermophysical Seminar, STS 2020 - Novosibirsk, Russian Federation
Duration: 5 Oct 20207 Oct 2020

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