Total Ponderomotive Force on an Extended Test Body

Droplets on insulating material suffer a nonvanishing total ponderomotive force because of the inhomogeneity of the surrounding electric field. A series expansion of this total force is proven in a two-dimensional setting by determining the line charge density at the boundary of the test body via a...

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Main Author: D. Langemann
Format: Article
Language:English
Published: Hindawi Limited 2009-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/2009/232768
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spelling doaj-779b0502f33a449f974dec62d0ad3a5a2020-11-24T22:17:05ZengHindawi LimitedInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252009-01-01200910.1155/2009/232768232768Total Ponderomotive Force on an Extended Test BodyD. Langemann0Institute of Computational Mathematics, Technical University of Braunschweig, Pockelsstr. 14, 38106 Braunschweig, GermanyDroplets on insulating material suffer a nonvanishing total ponderomotive force because of the inhomogeneity of the surrounding electric field. A series expansion of this total force is proven in a two-dimensional setting by determining the line charge density at the boundary of the test body via a Fredholm integral equation, which is solved by Fourier techniques. The influence of electric charges in the neighborhood of the test body can be estimated as well as the convergence speed of the series expansion. In all realistic applications the series converges very fast. The numerical effort in the simulation of the motion of rainwater droplets on outdoor insulators reduces considerably.http://dx.doi.org/10.1155/2009/232768
collection DOAJ
language English
format Article
sources DOAJ
author D. Langemann
spellingShingle D. Langemann
Total Ponderomotive Force on an Extended Test Body
International Journal of Mathematics and Mathematical Sciences
author_facet D. Langemann
author_sort D. Langemann
title Total Ponderomotive Force on an Extended Test Body
title_short Total Ponderomotive Force on an Extended Test Body
title_full Total Ponderomotive Force on an Extended Test Body
title_fullStr Total Ponderomotive Force on an Extended Test Body
title_full_unstemmed Total Ponderomotive Force on an Extended Test Body
title_sort total ponderomotive force on an extended test body
publisher Hindawi Limited
series International Journal of Mathematics and Mathematical Sciences
issn 0161-1712
1687-0425
publishDate 2009-01-01
description Droplets on insulating material suffer a nonvanishing total ponderomotive force because of the inhomogeneity of the surrounding electric field. A series expansion of this total force is proven in a two-dimensional setting by determining the line charge density at the boundary of the test body via a Fredholm integral equation, which is solved by Fourier techniques. The influence of electric charges in the neighborhood of the test body can be estimated as well as the convergence speed of the series expansion. In all realistic applications the series converges very fast. The numerical effort in the simulation of the motion of rainwater droplets on outdoor insulators reduces considerably.
url http://dx.doi.org/10.1155/2009/232768
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