在充入超流氦的u型通道中，加入单分散充填体对氦ii -气界面振荡振幅的减小

IF 0.5 4区工程技术 Q4 ENGINEERING, AEROSPACE

Thermophysics and Aeromechanics Pub Date : 2025-03-12 DOI:10.1134/S086986432404019X

Yu. Yu. Puzina, A. P. Kryukov

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引用次数: 0

摘要

本文研究了u形圆柱形通道内金属球回填体的超流氦动力学实验数据。提出了一个实验单元，研究结果以气液界面位置随时间变化的形式显示出来。讨论了自由通道和受限条件下振荡的区别。对于具有精细分散的多孔结构的通道，振荡幅度明显减小，界面表面可能处于静止状态。

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Decrease in the amplitude of helium II–vapor interface oscillations at addition of monodisperse backfill in a U-shaped channel filled with superfluid helium

The paper considers experimental data of superfluid helium dynamics in a U-shaped cylindrical channel filled with a backfill of metal balls. An experimental cell is presented and the results of study are shown in the form of a time dependence for the position of vapor–liquid interface. The differences between the oscillations in a free channel and in confined conditions are discussed. For a channel with a finely dispersed porous structure, the oscillation amplitude significantly reduces and a stationary state of the interfacial surface is possible.

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来源期刊

Thermophysics and Aeromechanics THERMODYNAMICS-MECHANICS

CiteScore

0.90

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal Thermophysics and Aeromechanics publishes original reports, reviews, and discussions on the following topics: hydrogasdynamics, heat and mass transfer, turbulence, means and methods of aero- and thermophysical experiment, physics of low-temperature plasma, and physical and technical problems of energetics. These topics are the prior fields of investigation at the Institute of Thermophysics and the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences (SB RAS), which are the founders of the journal along with SB RAS. This publication promotes an exchange of information between the researchers of Russia and the international scientific community.