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首页> 外文期刊>Acta astronautica >Free surface reconstruction of opaque liquids in microgravity. Part 2: Drop tower campaign
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Free surface reconstruction of opaque liquids in microgravity. Part 2: Drop tower campaign

机译:微匍匐液体液体的自由表面重建。 第2部分:跌幅塔运动

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摘要

This paper addresses the operation in microgravity of the surface reconstruction device whose design is detailed in the first part of the manuscript. The system, employed during the drop tower campaign of the UNOOSA DropTES 2019 StELIUM experiment, studies the axisymmetric and lateral oscillations of a ferrofluid solution in microgravity. The free liquid surface is reconstructed in a cylindrical tank and relevant metrics of the magnetic sloshing problem, such as contact angles, hysteresis parameters, natural oscillation frequencies, or damping ratios, are derived. The result is a rich and unique database where several phenomena of scientific and technological interest are reported for the first time. The dependence of the fundamental axisymmetric and lateral modal frequencies with the applied magnetic field is consistent with the literature and past experiments. Although the detection system was designed and built using low-cost hardware, high-quality results are obtained.
机译:本文解决了在稿件的第一部分中详述的表面重建装置的微匍匐的操作。 该系统在跌落塔跌幅2019年增量实验期间采用的,研究了微匍匐剂中铁物流体溶液的轴对称和横向振荡。 自由液面在圆柱形罐中重建,并且导出磁性晃动问题的相关度量,例如接触角,滞后参数,自然振荡频率或阻尼比。 结果是一个丰富而独特的数据库,第一次报告了科学和技术兴趣的几种现象。 基本轴对称和横向模频与施加的磁场的依赖性与文献和过去的实验一致。 虽然使用低成本硬件设计和建造了检测系统,但获得了高质量的结果。

著录项

  • 来源
    《Acta astronautica》 |2021年第12期|269-277|共9页
  • 作者单位

    Univ Colorado Boulder Dept Aerosp Engn Sci Boulder CO 80309 USA|Politecn Milan Space Prop Lab Dept Aerosp Sci & Technol Via Giuseppe La Masa 34 I-20156 Milan Italy;

    Politecn Milan Space Prop Lab Dept Aerosp Sci & Technol Via Giuseppe La Masa 34 I-20156 Milan Italy;

    Politecn Milan Space Prop Lab Dept Aerosp Sci & Technol Via Giuseppe La Masa 34 I-20156 Milan Italy;

    Politecn Milan Space Prop Lab Dept Aerosp Sci & Technol Via Giuseppe La Masa 34 I-20156 Milan Italy;

    Univ Seville Dept Fis Aplicada 3 Ave Descubrimientos S-N Seville 41092 Spain;

    Univ Seville Dept Ingn Aerosp & Mecan Fluidos Ave Descubrimientos S-N Seville 41092 Spain;

    Politecn Milan Space Prop Lab Dept Aerosp Sci & Technol Via Giuseppe La Masa 34 I-20156 Milan Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Liquid interface; 3D reconstruction; Microgravity; Ferrofluids; Magnetic liquid sloshing;

    机译:液面界面;3D重建;微匍匐;芳烃流体;磁性液体晃动;

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