Cargando…

The creation of electric wind due to the electrohydrodynamic force

Understanding the interactions between ionized matter and neutral particles is a prerequisite for discovering their impact on natural phenomena. One such phenomenon is the electric wind, which supposedly occurs due to the charged particle–neutral coupling in systems of weakly ionized gases, but this...

Descripción completa

Detalles Bibliográficos
Autores principales: Park, Sanghoo, Cvelbar, Uros, Choe, Wonho, Moon, Se Youn
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5785522/
https://www.ncbi.nlm.nih.gov/pubmed/29371666
http://dx.doi.org/10.1038/s41467-017-02766-9
_version_ 1783295622838747136
author Park, Sanghoo
Cvelbar, Uros
Choe, Wonho
Moon, Se Youn
author_facet Park, Sanghoo
Cvelbar, Uros
Choe, Wonho
Moon, Se Youn
author_sort Park, Sanghoo
collection PubMed
description Understanding the interactions between ionized matter and neutral particles is a prerequisite for discovering their impact on natural phenomena. One such phenomenon is the electric wind, which supposedly occurs due to the charged particle–neutral coupling in systems of weakly ionized gases, but this mechanism remains unclear. Here, we report direct evidence that electric wind is caused by an electrohydrodynamic force generated by the charged particle drag as a result of the momentum transfer from electrons/ions to neutrals. The model experiment is based on a pulsed plasma jet as a source of weakly ionized gases generated in the helium gas at atmospheric pressure using Schlieren photography. Studying the helium gas flow trajectories at different discharge parameters allows one to distinguish between the effects of streamer propagation or space charge drift causing the electric wind as well as to determine the role of electrons and (positive) ions in wind generation.
format Online
Article
Text
id pubmed-5785522
institution National Center for Biotechnology Information
language English
publishDate 2018
publisher Nature Publishing Group UK
record_format MEDLINE/PubMed
spelling pubmed-57855222018-01-29 The creation of electric wind due to the electrohydrodynamic force Park, Sanghoo Cvelbar, Uros Choe, Wonho Moon, Se Youn Nat Commun Article Understanding the interactions between ionized matter and neutral particles is a prerequisite for discovering their impact on natural phenomena. One such phenomenon is the electric wind, which supposedly occurs due to the charged particle–neutral coupling in systems of weakly ionized gases, but this mechanism remains unclear. Here, we report direct evidence that electric wind is caused by an electrohydrodynamic force generated by the charged particle drag as a result of the momentum transfer from electrons/ions to neutrals. The model experiment is based on a pulsed plasma jet as a source of weakly ionized gases generated in the helium gas at atmospheric pressure using Schlieren photography. Studying the helium gas flow trajectories at different discharge parameters allows one to distinguish between the effects of streamer propagation or space charge drift causing the electric wind as well as to determine the role of electrons and (positive) ions in wind generation. Nature Publishing Group UK 2018-01-25 /pmc/articles/PMC5785522/ /pubmed/29371666 http://dx.doi.org/10.1038/s41467-017-02766-9 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Park, Sanghoo
Cvelbar, Uros
Choe, Wonho
Moon, Se Youn
The creation of electric wind due to the electrohydrodynamic force
title The creation of electric wind due to the electrohydrodynamic force
title_full The creation of electric wind due to the electrohydrodynamic force
title_fullStr The creation of electric wind due to the electrohydrodynamic force
title_full_unstemmed The creation of electric wind due to the electrohydrodynamic force
title_short The creation of electric wind due to the electrohydrodynamic force
title_sort creation of electric wind due to the electrohydrodynamic force
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5785522/
https://www.ncbi.nlm.nih.gov/pubmed/29371666
http://dx.doi.org/10.1038/s41467-017-02766-9
work_keys_str_mv AT parksanghoo thecreationofelectricwindduetotheelectrohydrodynamicforce
AT cvelbaruros thecreationofelectricwindduetotheelectrohydrodynamicforce
AT choewonho thecreationofelectricwindduetotheelectrohydrodynamicforce
AT moonseyoun thecreationofelectricwindduetotheelectrohydrodynamicforce
AT parksanghoo creationofelectricwindduetotheelectrohydrodynamicforce
AT cvelbaruros creationofelectricwindduetotheelectrohydrodynamicforce
AT choewonho creationofelectricwindduetotheelectrohydrodynamicforce
AT moonseyoun creationofelectricwindduetotheelectrohydrodynamicforce