Incompressible squeeze-film levitation
نویسندگان
چکیده
Transverse vibrations can induce the non-linear compression of a thin film air to levitate objects, via squeeze effect. This phenomenon is well captured by Reynolds' lubrication theory, however, same theory fails describe this levitation when fluid incompressible. In case, computation predicts no steady-state levitation, contradicting documented experimental evidence. letter, we uncover main source time-averaged pressure asymmetry in incompressible film, leading exist. Furthermore, reveal physical law governing height, which confirm experimentally.
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ژورنال
عنوان ژورنال: Applied Physics Letters
سال: 2023
ISSN: ['1520-8842', '0003-6951', '1077-3118']
DOI: https://doi.org/10.1063/5.0149501