Modeling the photophoretic force on a perforated membrane-Reference-Cited by-同舟云学术

Modeling the photophoretic force on a perforated membrane

Published:2024-08-01 Issue:8 Volume:36 Page:
ISSN:1070-6631
Container-title:Physics of Fluids
language:en
Short-container-title:

Author:

Sharipov Felix¹^ORCID,Schafer Benjamin C.²^ORCID,Keith David W.³

Affiliation:

1. Departamento de Física, Universidade Federal do Paraná 1 , Curitiba 81531-980, Brazil

2. John A. Paulson School of Engineering and Applied Sciences, Harvard University 2 , Cambridge, Massachusetts 02138, USA

3. Department of the Geophysical Sciences, The University of Chicago 3 , Chicago, Illinois 60636, USA

Abstract

The photophoretic force exerted on an illuminated membrane vanishes when its size is much larger than the molecular mean-free-path. Perforations in the membrane can increase the force, but they make modeling the gas flow more difficult. In the present letter, a new model of gas interaction with a perforated surface is proposed. The direct simulation Monte Carlo method is used to calculate the flow-field and photophoretic force exerted on a perforated membrane, showing a significant increase in the force at high rarefaction parameters. This effect could be used to levitate membranes of a few centimeters in size at mesospheric altitudes.

Funder

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Division of Science, Faculty of Arts and Sciences, Harvard University

Publisher

AIP Publishing

Link

https://pubs.aip.org/aip/pof/article-pdf/doi/10.1063/5.0223475/20127169/081707_1_5.0223475.pdf

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