ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP

Purpose. A high-voltage underwater electric explosion, realized by discharging a capacitor into a water gap, is characterized by three main stages: the stage of formation of the plasma channel, the channel stage and post-discharge one. Substantially, the channel, post-discharge stages and the effici...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	V. G. Zhekul, O. V. Khvoshchan, O. P. Smirnov, E. I. Taftaj, I. S. Shvets
Formato:	article
Lenguaje:	EN RU UK
Publicado:	National Technical University "Kharkiv Polytechnic Institute" 2018
Materias:	high-voltage electric discharge liquid electrolyte oscillogram pre-breakdown processes bubble model Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/2891ecc967d44f978b6c6ada3eae9d16
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:2891ecc967d44f978b6c6ada3eae9d16
record_format	dspace
spelling	oai:doaj.org-article:2891ecc967d44f978b6c6ada3eae9d162021-12-02T18:15:08ZANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP10.20998/2074-272X.2018.4.112074-272X2309-3404https://doaj.org/article/2891ecc967d44f978b6c6ada3eae9d162018-08-01T00:00:00Zhttp://eie.khpi.edu.ua/article/view/2074-272X.2018.4.11/137855https://doaj.org/toc/2074-272Xhttps://doaj.org/toc/2309-3404Purpose. A high-voltage underwater electric explosion, realized by discharging a capacitor into a water gap, is characterized by three main stages: the stage of formation of the plasma channel, the channel stage and post-discharge one. Substantially, the channel, post-discharge stages and the efficiency of energy release in the channel and the increase in the hydrodynamic effect on the object being processed depend on the parameters of the stage of formation. The purpose of the work was to review the existing mechanisms for the formation of a high-voltage discharge channel with the analysis and development of a bubble model of the stage of formation of water gap breakdown. Methodology. We have applied the analysis of existing theories on the formation of a high-voltage discharge channel, the carrying out of electrophysical studies with the processing of the obtained data. Results. A review and analysis of modern concepts of pre-breakdown processes in a high-voltage electric discharge in a liquid showed that the «bubble» model of the ignition of a discharge is applicable at an electric field strength (36 – 180) kV/cm. We have further developed the bubble model of the stage of formation of high-voltage breakdown on the results of experimental studies of the electrical characteristics of the discharge in the aqueous electrolyte with increased hydrostatic pressure and minimum voltage providing ignition of the discharge. A qualitative description of three phases of the stage of formation of the plasma channel in the liquid electrolyte is proposed. Originality. We have further developed the bubble model of the stage of formation of high-voltage breakdown of the liquid electrolyte on the results of experimental studies of the electrical characteristics of the discharge in the aqueous electrolyte with increased hydrostatic pressure and minimum voltage providing ignition of the discharge. A qualitative variation of the resistance of the gap in the pre-breakdown stage of the discharge is considered. Practical value. Determination of the scientific basis for creating a methodology for calculating the pre-breakdown characteristics of an electric discharge to improve the efficiency of electric discharge devices. V. G. ZhekulO. V. KhvoshchanO. P. SmirnovE. I. TaftajI. S. ShvetsNational Technical University "Kharkiv Polytechnic Institute"articlehigh-voltage electric dischargeliquid electrolyteoscillogrampre-breakdown processesbubble modelElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENRUUKElectrical engineering & Electromechanics, Iss 4, Pp 63-69 (2018)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	high-voltage electric discharge liquid electrolyte oscillogram pre-breakdown processes bubble model Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	high-voltage electric discharge liquid electrolyte oscillogram pre-breakdown processes bubble model Electrical engineering. Electronics. Nuclear engineering TK1-9971 V. G. Zhekul O. V. Khvoshchan O. P. Smirnov E. I. Taftaj I. S. Shvets ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP
description	Purpose. A high-voltage underwater electric explosion, realized by discharging a capacitor into a water gap, is characterized by three main stages: the stage of formation of the plasma channel, the channel stage and post-discharge one. Substantially, the channel, post-discharge stages and the efficiency of energy release in the channel and the increase in the hydrodynamic effect on the object being processed depend on the parameters of the stage of formation. The purpose of the work was to review the existing mechanisms for the formation of a high-voltage discharge channel with the analysis and development of a bubble model of the stage of formation of water gap breakdown. Methodology. We have applied the analysis of existing theories on the formation of a high-voltage discharge channel, the carrying out of electrophysical studies with the processing of the obtained data. Results. A review and analysis of modern concepts of pre-breakdown processes in a high-voltage electric discharge in a liquid showed that the «bubble» model of the ignition of a discharge is applicable at an electric field strength (36 – 180) kV/cm. We have further developed the bubble model of the stage of formation of high-voltage breakdown on the results of experimental studies of the electrical characteristics of the discharge in the aqueous electrolyte with increased hydrostatic pressure and minimum voltage providing ignition of the discharge. A qualitative description of three phases of the stage of formation of the plasma channel in the liquid electrolyte is proposed. Originality. We have further developed the bubble model of the stage of formation of high-voltage breakdown of the liquid electrolyte on the results of experimental studies of the electrical characteristics of the discharge in the aqueous electrolyte with increased hydrostatic pressure and minimum voltage providing ignition of the discharge. A qualitative variation of the resistance of the gap in the pre-breakdown stage of the discharge is considered. Practical value. Determination of the scientific basis for creating a methodology for calculating the pre-breakdown characteristics of an electric discharge to improve the efficiency of electric discharge devices.
format	article
author	V. G. Zhekul O. V. Khvoshchan O. P. Smirnov E. I. Taftaj I. S. Shvets
author_facet	V. G. Zhekul O. V. Khvoshchan O. P. Smirnov E. I. Taftaj I. S. Shvets
author_sort	V. G. Zhekul
title	ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP
title_short	ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP
title_full	ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP
title_fullStr	ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP
title_full_unstemmed	ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP
title_sort	analysis and development of the bubble model of the formation stage of high-voltage breakdown of the water gap
publisher	National Technical University "Kharkiv Polytechnic Institute"
publishDate	2018
url	https://doaj.org/article/2891ecc967d44f978b6c6ada3eae9d16
work_keys_str_mv	AT vgzhekul analysisanddevelopmentofthebubblemodeloftheformationstageofhighvoltagebreakdownofthewatergap AT ovkhvoshchan analysisanddevelopmentofthebubblemodeloftheformationstageofhighvoltagebreakdownofthewatergap AT opsmirnov analysisanddevelopmentofthebubblemodeloftheformationstageofhighvoltagebreakdownofthewatergap AT eitaftaj analysisanddevelopmentofthebubblemodeloftheformationstageofhighvoltagebreakdownofthewatergap AT isshvets analysisanddevelopmentofthebubblemodeloftheformationstageofhighvoltagebreakdownofthewatergap
_version_	1718378383081996288

ANALYSIS AND DEVELOPMENT OF THE BUBBLE MODEL OF THE FORMATION STAGE OF HIGH-VOLTAGE BREAKDOWN OF THE WATER GAP

Ejemplares similares