Air-levitated platelets: From take off to motion

Dan Soto; Hélène De Maleprade; Christophe Clanet; David Quéré

doi:10.1017/jfm.2017.27

Air-levitated platelets: From take off to motion

Dan Soto
, Hélène De Maleprade
, Christophe Clanet
, David Quéré

UMR 7636 CNRS-ESPCI ParisTech-Université Pierre et Marie Curie

Research output: Contribution to journal › Article › peer-review

Abstract

A plate placed above a porous substrate through which air is blown can levitate if the airflow is strong enough. We first model the flow needed for taking off, and then examine how an asymmetric texture etched on the porous surface induces directional motion of the hovercraft. We discuss how the texture design impacts the propelling efficiency, and how it can be used to manipulate these frictionless objects both in translation and in rotation.

Original language	English
Pages (from-to)	535-546
Number of pages	12
Journal	Journal of Fluid Mechanics
Volume	814
DOIs	https://doi.org/10.1017/jfm.2017.27
Publication status	Published - 10 Mar 2017

Keywords

aerodynamics
flow-structure interactions
low-Reynolds-number flows

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10.1017/jfm.2017.27

Cite this

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title = "Air-levitated platelets: From take off to motion",

abstract = "A plate placed above a porous substrate through which air is blown can levitate if the airflow is strong enough. We first model the flow needed for taking off, and then examine how an asymmetric texture etched on the porous surface induces directional motion of the hovercraft. We discuss how the texture design impacts the propelling efficiency, and how it can be used to manipulate these frictionless objects both in translation and in rotation.",

keywords = "aerodynamics, flow-structure interactions, low-Reynolds-number flows",

author = "Dan Soto and \{De Maleprade\}, H{\'e}l{\`e}ne and Christophe Clanet and David Qu{\'e}r{\'e}",

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AU - De Maleprade, Hélène

AU - Clanet, Christophe

AU - Quéré, David

PY - 2017/3/10

Y1 - 2017/3/10

N2 - A plate placed above a porous substrate through which air is blown can levitate if the airflow is strong enough. We first model the flow needed for taking off, and then examine how an asymmetric texture etched on the porous surface induces directional motion of the hovercraft. We discuss how the texture design impacts the propelling efficiency, and how it can be used to manipulate these frictionless objects both in translation and in rotation.

AB - A plate placed above a porous substrate through which air is blown can levitate if the airflow is strong enough. We first model the flow needed for taking off, and then examine how an asymmetric texture etched on the porous surface induces directional motion of the hovercraft. We discuss how the texture design impacts the propelling efficiency, and how it can be used to manipulate these frictionless objects both in translation and in rotation.

KW - aerodynamics

KW - flow-structure interactions

KW - low-Reynolds-number flows

UR - https://www.scopus.com/pages/publications/85011928629

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DO - 10.1017/jfm.2017.27

M3 - Article

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SN - 0022-1120

VL - 814

SP - 535

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JO - Journal of Fluid Mechanics

JF - Journal of Fluid Mechanics

ER -

Air-levitated platelets: From take off to motion

Abstract

Keywords

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