PROSPECTS OF USING SECONDARY ENERGY RESOURCES

The paper deals with the peculiarities of thermodynamic analysis of technological systems of food production with generation of secondary steam. System analysis is based on information about production, equipment operation, modern scientific achievements and modeling methods in chemical, physical, m...

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Autores principales:	Anatoly SOKOLENKO, Olexandr SHEVCHENKO, Konstantin VASYLKIVSKY, Oleg STEPANETS, Inna VINNICHENKO
Formato:	article
Lenguaje:	EN
Publicado:	Stefan cel Mare University of Suceava 2019
Materias:	thermodynamics recuperation secondary energy resources secondary steam enthalpy exergy energy transformation Food processing and manufacture TP368-456
Acceso en línea:	https://doaj.org/article/07a54de73767426287041f2161ebcb31
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id	oai:doaj.org-article:07a54de73767426287041f2161ebcb31
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spelling	oai:doaj.org-article:07a54de73767426287041f2161ebcb312021-12-02T17:50:23ZPROSPECTS OF USING SECONDARY ENERGY RESOURCES2068-66092559-6381https://doaj.org/article/07a54de73767426287041f2161ebcb312019-12-01T00:00:00Zhttp://www.fia.usv.ro/fiajournal/index.php/FENS/article/view/692https://doaj.org/toc/2068-6609https://doaj.org/toc/2559-6381The paper deals with the peculiarities of thermodynamic analysis of technological systems of food production with generation of secondary steam. System analysis is based on information about production, equipment operation, modern scientific achievements and modeling methods in chemical, physical, mathematical and other sciences. The information about applied energy and thermodynamic criteria, criteria of optimization of systems, list of sequence of actions on improvement of systems is given. Secondary energy resources of food industries are often represented by thermal energy of liquid media or secondary steam. Regeneration of the secondary steam allows, during its subsequent condensation, to return the heat potential of the steam to the media. This means that in the systems where the increase in the thermodynamic parameters of steam due to its compression, there is the use of Carno's return cycle. Such use occurs both in closed and open cycles. The description of the physical processes accompanying the work of the thermocompressors is subject to mathematical modeling based on the laws of conservation of energy, mass conservation and conservation of impulses. The assessment of the suitability for using secondary energy resources is based on exergy methods in order to determine the directions for their further improvement. For identical pressures in the mixing chamber, the efficiency of the actual compressor is higher than the ratio of the ejection coefficients of the real and ideal compressors, since internal irreversible losses along with the reduction of the ejection rate result in the increase of the specific exergy of the compressed flow.Anatoly SOKOLENKOOlexandr SHEVCHENKOKonstantin VASYLKIVSKYOleg STEPANETSInna VINNICHENKOStefan cel Mare University of Suceavaarticlethermodynamicsrecuperationsecondary energy resourcessecondary steamenthalpyexergyenergy transformationFood processing and manufactureTP368-456ENFood and Environment Safety, Vol 18, Iss 4, Pp 337-346 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	thermodynamics recuperation secondary energy resources secondary steam enthalpy exergy energy transformation Food processing and manufacture TP368-456
spellingShingle	thermodynamics recuperation secondary energy resources secondary steam enthalpy exergy energy transformation Food processing and manufacture TP368-456 Anatoly SOKOLENKO Olexandr SHEVCHENKO Konstantin VASYLKIVSKY Oleg STEPANETS Inna VINNICHENKO PROSPECTS OF USING SECONDARY ENERGY RESOURCES
description	The paper deals with the peculiarities of thermodynamic analysis of technological systems of food production with generation of secondary steam. System analysis is based on information about production, equipment operation, modern scientific achievements and modeling methods in chemical, physical, mathematical and other sciences. The information about applied energy and thermodynamic criteria, criteria of optimization of systems, list of sequence of actions on improvement of systems is given. Secondary energy resources of food industries are often represented by thermal energy of liquid media or secondary steam. Regeneration of the secondary steam allows, during its subsequent condensation, to return the heat potential of the steam to the media. This means that in the systems where the increase in the thermodynamic parameters of steam due to its compression, there is the use of Carno's return cycle. Such use occurs both in closed and open cycles. The description of the physical processes accompanying the work of the thermocompressors is subject to mathematical modeling based on the laws of conservation of energy, mass conservation and conservation of impulses. The assessment of the suitability for using secondary energy resources is based on exergy methods in order to determine the directions for their further improvement. For identical pressures in the mixing chamber, the efficiency of the actual compressor is higher than the ratio of the ejection coefficients of the real and ideal compressors, since internal irreversible losses along with the reduction of the ejection rate result in the increase of the specific exergy of the compressed flow.
format	article
author	Anatoly SOKOLENKO Olexandr SHEVCHENKO Konstantin VASYLKIVSKY Oleg STEPANETS Inna VINNICHENKO
author_facet	Anatoly SOKOLENKO Olexandr SHEVCHENKO Konstantin VASYLKIVSKY Oleg STEPANETS Inna VINNICHENKO
author_sort	Anatoly SOKOLENKO
title	PROSPECTS OF USING SECONDARY ENERGY RESOURCES
title_short	PROSPECTS OF USING SECONDARY ENERGY RESOURCES
title_full	PROSPECTS OF USING SECONDARY ENERGY RESOURCES
title_fullStr	PROSPECTS OF USING SECONDARY ENERGY RESOURCES
title_full_unstemmed	PROSPECTS OF USING SECONDARY ENERGY RESOURCES
title_sort	prospects of using secondary energy resources
publisher	Stefan cel Mare University of Suceava
publishDate	2019
url	https://doaj.org/article/07a54de73767426287041f2161ebcb31
work_keys_str_mv	AT anatolysokolenko prospectsofusingsecondaryenergyresources AT olexandrshevchenko prospectsofusingsecondaryenergyresources AT konstantinvasylkivsky prospectsofusingsecondaryenergyresources AT olegstepanets prospectsofusingsecondaryenergyresources AT innavinnichenko prospectsofusingsecondaryenergyresources
_version_	1718379329247772672

PROSPECTS OF USING SECONDARY ENERGY RESOURCES

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