Investigate of turbo-compressors with general impeller for engines and power plants

The article deals with the working processes in flowing part of the turbo-compressors with general impeller (TCG) and with two schemes of the flows. The work studies the features of the TCG operation with two schemes of the flows and the gas-dynamic calculation theory development of their flow parts...

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Autor principal:	Владимир Анатольевич Шкабура
Formato:	article
Lenguaje:	EN RU UK
Publicado:	National Aerospace University «Kharkiv Aviation Institute» 2021
Materias:	турбокомпрессор с общим рабочим колесом турбинная часть компрессорная часть газотурбинный двигатель Motor vehicles. Aeronautics. Astronautics TL1-4050
Acceso en línea:	https://doaj.org/article/862d1ad6252e4364bb74c9d9ca5c0567
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spelling	oai:doaj.org-article:862d1ad6252e4364bb74c9d9ca5c05672021-11-09T07:54:20ZInvestigate of turbo-compressors with general impeller for engines and power plants1727-73372663-221710.32620/aktt.2021.5.04https://doaj.org/article/862d1ad6252e4364bb74c9d9ca5c05672021-10-01T00:00:00Zhttp://nti.khai.edu/ojs/index.php/aktt/article/view/1547https://doaj.org/toc/1727-7337https://doaj.org/toc/2663-2217The article deals with the working processes in flowing part of the turbo-compressors with general impeller (TCG) and with two schemes of the flows. The work studies the features of the TCG operation with two schemes of the flows and the gas-dynamic calculation theory development of their flow parts for use in engines and power plants. The tasks to be solved are to investigate two schemes of the flows in the interscapular space of the impeller – direct-flow and counter-flow. If the gas and air flow directions coincide concerning the axis of rotation of the impeller, then the flow pattern in the TCG is direct-flow, with the opposite movement of flows – is counter-flow. The solution to this problem was performed using the developed methods of gas-dynamic calculation of the TCG flow parts. Conclusions. The scientific novelty of the results obtained is as follows: parameters that significantly affect the efficiency of the turbine and compressor parts of the TCG were established and the formula in the form of a general criterion ratio was calculated. The dependence of the correction factor is determined, which considers the effect of the ratio of the impeller width on the average diameter of the working channel of the RK in the compressor section and the turbine section of the TCG. The article contains formulas, with correction factors, for calculating the power factor in the compressor section and the load factor in the turbine section. If the ratio of the grating width to the average diameter of the working channel is overestimated, it is necessary to supplement the formulas with a correction factor that considers the effect of this ratio. Studies have determined that switching from one mode of operation to another – in a certain section of the impeller, accelerates the flow to the required speed. It is especially evident in the compressor working channel of the TCG with a counter-flow pattern. In the turbine section, the gas flow acceleration time does not depend on the flow pattern – the flow is active and accelerates to the required speed in the nozzle apparatus. The given formulas allow calculating the power of the turbine and compressor parts of the impeller to perform an enlarged gas-dynamic calculation of TCG. Studies have determined that TCG can be used in gas turbine engines and the pressurization system of an internal combustion engine.Владимир Анатольевич ШкабураNational Aerospace University «Kharkiv Aviation Institute»articleтурбокомпрессор с общим рабочим колесомтурбинная частькомпрессорная частьгазотурбинный двигательMotor vehicles. Aeronautics. AstronauticsTL1-4050ENRUUKАвіаційно-космічна техніка та технологія, Vol 0, Iss 5, Pp 33-38 (2021)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	турбокомпрессор с общим рабочим колесом турбинная часть компрессорная часть газотурбинный двигатель Motor vehicles. Aeronautics. Astronautics TL1-4050
spellingShingle	турбокомпрессор с общим рабочим колесом турбинная часть компрессорная часть газотурбинный двигатель Motor vehicles. Aeronautics. Astronautics TL1-4050 Владимир Анатольевич Шкабура Investigate of turbo-compressors with general impeller for engines and power plants
description	The article deals with the working processes in flowing part of the turbo-compressors with general impeller (TCG) and with two schemes of the flows. The work studies the features of the TCG operation with two schemes of the flows and the gas-dynamic calculation theory development of their flow parts for use in engines and power plants. The tasks to be solved are to investigate two schemes of the flows in the interscapular space of the impeller – direct-flow and counter-flow. If the gas and air flow directions coincide concerning the axis of rotation of the impeller, then the flow pattern in the TCG is direct-flow, with the opposite movement of flows – is counter-flow. The solution to this problem was performed using the developed methods of gas-dynamic calculation of the TCG flow parts. Conclusions. The scientific novelty of the results obtained is as follows: parameters that significantly affect the efficiency of the turbine and compressor parts of the TCG were established and the formula in the form of a general criterion ratio was calculated. The dependence of the correction factor is determined, which considers the effect of the ratio of the impeller width on the average diameter of the working channel of the RK in the compressor section and the turbine section of the TCG. The article contains formulas, with correction factors, for calculating the power factor in the compressor section and the load factor in the turbine section. If the ratio of the grating width to the average diameter of the working channel is overestimated, it is necessary to supplement the formulas with a correction factor that considers the effect of this ratio. Studies have determined that switching from one mode of operation to another – in a certain section of the impeller, accelerates the flow to the required speed. It is especially evident in the compressor working channel of the TCG with a counter-flow pattern. In the turbine section, the gas flow acceleration time does not depend on the flow pattern – the flow is active and accelerates to the required speed in the nozzle apparatus. The given formulas allow calculating the power of the turbine and compressor parts of the impeller to perform an enlarged gas-dynamic calculation of TCG. Studies have determined that TCG can be used in gas turbine engines and the pressurization system of an internal combustion engine.
format	article
author	Владимир Анатольевич Шкабура
author_facet	Владимир Анатольевич Шкабура
author_sort	Владимир Анатольевич Шкабура
title	Investigate of turbo-compressors with general impeller for engines and power plants
title_short	Investigate of turbo-compressors with general impeller for engines and power plants
title_full	Investigate of turbo-compressors with general impeller for engines and power plants
title_fullStr	Investigate of turbo-compressors with general impeller for engines and power plants
title_full_unstemmed	Investigate of turbo-compressors with general impeller for engines and power plants
title_sort	investigate of turbo-compressors with general impeller for engines and power plants
publisher	National Aerospace University «Kharkiv Aviation Institute»
publishDate	2021
url	https://doaj.org/article/862d1ad6252e4364bb74c9d9ca5c0567
work_keys_str_mv	AT vladimiranatolʹevičškabura investigateofturbocompressorswithgeneralimpellerforenginesandpowerplants
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Investigate of turbo-compressors with general impeller for engines and power plants

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