Theoretical explanation of rotational flow in the liquid-film motor

Abstract A liquid film that is under the action of two electric forces, an external electric field parallel to the film and a lateral voltage difference applied to both edges of the film, exhibits a universal rotational flow. In this article, we revisit this phenomena by considering an idealized so-...

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Autores principales:	Ali Najafi, Reza Shirsavar
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c03f9b00e3914d6d8892308a8fb92d92
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spelling	oai:doaj.org-article:c03f9b00e3914d6d8892308a8fb92d922021-12-05T12:12:42ZTheoretical explanation of rotational flow in the liquid-film motor10.1038/s41598-021-02470-12045-2322https://doaj.org/article/c03f9b00e3914d6d8892308a8fb92d922021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02470-1https://doaj.org/toc/2045-2322Abstract A liquid film that is under the action of two electric forces, an external electric field parallel to the film and a lateral voltage difference applied to both edges of the film, exhibits a universal rotational flow. In this article, we revisit this phenomena by considering an idealized so-called liquid-film motor and provide a theoretical description of the underlying physical mechanism that is responsible for the rotation. Based on this theory, the external electric field induces a non-uniform distribution of freely moving charges on the film. Then the internal field that is mainly resulted from the lateral voltage difference, will exert forces on induced charges and subsequently will result the rotational flow. We show, how the fields contribute in developing a universal flow pattern.Ali NajafiReza ShirsavarNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ali Najafi Reza Shirsavar Theoretical explanation of rotational flow in the liquid-film motor
description	Abstract A liquid film that is under the action of two electric forces, an external electric field parallel to the film and a lateral voltage difference applied to both edges of the film, exhibits a universal rotational flow. In this article, we revisit this phenomena by considering an idealized so-called liquid-film motor and provide a theoretical description of the underlying physical mechanism that is responsible for the rotation. Based on this theory, the external electric field induces a non-uniform distribution of freely moving charges on the film. Then the internal field that is mainly resulted from the lateral voltage difference, will exert forces on induced charges and subsequently will result the rotational flow. We show, how the fields contribute in developing a universal flow pattern.
format	article
author	Ali Najafi Reza Shirsavar
author_facet	Ali Najafi Reza Shirsavar
author_sort	Ali Najafi
title	Theoretical explanation of rotational flow in the liquid-film motor
title_short	Theoretical explanation of rotational flow in the liquid-film motor
title_full	Theoretical explanation of rotational flow in the liquid-film motor
title_fullStr	Theoretical explanation of rotational flow in the liquid-film motor
title_full_unstemmed	Theoretical explanation of rotational flow in the liquid-film motor
title_sort	theoretical explanation of rotational flow in the liquid-film motor
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c03f9b00e3914d6d8892308a8fb92d92
work_keys_str_mv	AT alinajafi theoreticalexplanationofrotationalflowintheliquidfilmmotor AT rezashirsavar theoreticalexplanationofrotationalflowintheliquidfilmmotor
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Theoretical explanation of rotational flow in the liquid-film motor

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