2019
DOI: 10.1299/jsmeted.2019.0145
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A Study on Self-Propulsion of Leidenfrost Objects on Ratchet Surface

Abstract: An evaporating object placed on an asymmetric surface that is heated above its Leidenfrost temperature, will not only levitate but will also be self-propelled in a well-defined direction and speed 1. In contrast to continuum flow, in a slightly rarefied gas

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