4.7 Article

Considerations about the applicability of the Reynolds equation for analyzing high-speed near field levitation phenomena

期刊

JOURNAL OF SOUND AND VIBRATION
卷 483, 期 -, 页码 -

出版社

ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2020.115496

关键词

Near field levitation; Reynolds equation; CFD; High frequencies

资金

  1. Polish National Science Centre [2016/23/B/ST8/00210]
  2. French Government program Investissements d'Avenir (LABEX INTERACTIFS) [ANR11-LABX-0017-01]

向作者/读者索取更多资源

This paper presents the results of investigations into the applicability of the Reynolds equation for analyzing near field levitation (NFL) phenomena. Two separate approaches were developed, experimentally verified, and applied to meet the research objective. One was based on the Reynolds equation and the other was based on general conservation equations for fluid flow solved using computational fluid dynamic (CFD). Comparing the calculation results revealed that, for certain operating conditions, differences in the predicted system parameters appear. It was proven that both the Reynolds and Helmholtz numbers define border operating conditions for the applicability of the Reynolds equation to analyze NFL problems. (c) 2020 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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