Measurement of stress-deformed state of AGTE parts by tensometry method

The subject of study in the article is various methods of measuring the stress-strain state of AGTE parts by the tensometry method. Differences were revealed when measuring the stress-strain state of rotor and stator parts, in different frequency ranges (study of static, static-dynamic and dynamic d...

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Autores principales: Сергей Сергеевич Крыгин, Юрий Иванович Торба
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RU
UK
Publicado: National Aerospace University «Kharkiv Aviation Institute» 2021
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Acceso en línea:https://doaj.org/article/de864ffcf280430aa794878a1b15f829
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spelling oai:doaj.org-article:de864ffcf280430aa794878a1b15f8292021-11-09T07:53:52ZMeasurement of stress-deformed state of AGTE parts by tensometry method1727-73372663-221710.32620/aktt.2021.4sup2.06https://doaj.org/article/de864ffcf280430aa794878a1b15f8292021-08-01T00:00:00Zhttp://nti.khai.edu/ojs/index.php/aktt/article/view/1473https://doaj.org/toc/1727-7337https://doaj.org/toc/2663-2217The subject of study in the article is various methods of measuring the stress-strain state of AGTE parts by the tensometry method. Differences were revealed when measuring the stress-strain state of rotor and stator parts, in different frequency ranges (study of static, static-dynamic and dynamic deformations). Methods for compensating or reducing the influence of external factors on the measurement results, such as temperature changes and electromagnetic interference, are indicated. The aim is to develop recommendations for research of AGTE parts in a test bench in a gradient of varying temperatures and in a complex electromagnetic environment of the engine. A review of the sources of inaccuracies, errors and interference arising during preparation for testing and directly during the measurement of the SDS of AGTE parts is performed. The effects of wiring, cabling, grounding and shielding can not only increase the level of errors, but can also negate the advantages of an expensive and extremely reliable electronic part of the system. The advantages and disadvantages of the most common schemes for connecting strain gages, as well as their areas of application are presented. Possible ways to compensate for imaginary deformations at temperatures outside the range of thermal compensation of primary converters. A list of common strain gauge systems with their advantages and disadvantages is given for each type of parts and frequency ranges of measurements. When strain measurement rotary parts to output the signal from the strain gauge to recording equipment used various current collector. The possibility of using wireless interfaces for communication between the primary converter and the recording equipment is also indicated. The described methods are: ways to compensate for imaginary deformations caused by changes in the temperature of the investigated part and connecting wires. Elimination or minimization of electromagnetic interference on the measuring channel. An estimate is given of the total error in measuring the deformation for a particular object under study for the final loading cycle, the specificity of the bench strain gauge path, the errors of the current collector in bench conditions, and others in the process of static strain gauging.Сергей Сергеевич КрыгинЮрий Иванович ТорбаNational Aerospace University «Kharkiv Aviation Institute»articleизмерение напряженно-деформированного состояниятензометрированиепогрешности измерениясхемы подключения тензорезисторовMotor vehicles. Aeronautics. AstronauticsTL1-4050ENRUUKАвіаційно-космічна техніка та технологія, Vol 0, Iss 4sup2, Pp 44-51 (2021)
institution DOAJ
collection DOAJ
language EN
RU
UK
topic измерение напряженно-деформированного состояния
тензометрирование
погрешности измерения
схемы подключения тензорезисторов
Motor vehicles. Aeronautics. Astronautics
TL1-4050
spellingShingle измерение напряженно-деформированного состояния
тензометрирование
погрешности измерения
схемы подключения тензорезисторов
Motor vehicles. Aeronautics. Astronautics
TL1-4050
Сергей Сергеевич Крыгин
Юрий Иванович Торба
Measurement of stress-deformed state of AGTE parts by tensometry method
description The subject of study in the article is various methods of measuring the stress-strain state of AGTE parts by the tensometry method. Differences were revealed when measuring the stress-strain state of rotor and stator parts, in different frequency ranges (study of static, static-dynamic and dynamic deformations). Methods for compensating or reducing the influence of external factors on the measurement results, such as temperature changes and electromagnetic interference, are indicated. The aim is to develop recommendations for research of AGTE parts in a test bench in a gradient of varying temperatures and in a complex electromagnetic environment of the engine. A review of the sources of inaccuracies, errors and interference arising during preparation for testing and directly during the measurement of the SDS of AGTE parts is performed. The effects of wiring, cabling, grounding and shielding can not only increase the level of errors, but can also negate the advantages of an expensive and extremely reliable electronic part of the system. The advantages and disadvantages of the most common schemes for connecting strain gages, as well as their areas of application are presented. Possible ways to compensate for imaginary deformations at temperatures outside the range of thermal compensation of primary converters. A list of common strain gauge systems with their advantages and disadvantages is given for each type of parts and frequency ranges of measurements. When strain measurement rotary parts to output the signal from the strain gauge to recording equipment used various current collector. The possibility of using wireless interfaces for communication between the primary converter and the recording equipment is also indicated. The described methods are: ways to compensate for imaginary deformations caused by changes in the temperature of the investigated part and connecting wires. Elimination or minimization of electromagnetic interference on the measuring channel. An estimate is given of the total error in measuring the deformation for a particular object under study for the final loading cycle, the specificity of the bench strain gauge path, the errors of the current collector in bench conditions, and others in the process of static strain gauging.
format article
author Сергей Сергеевич Крыгин
Юрий Иванович Торба
author_facet Сергей Сергеевич Крыгин
Юрий Иванович Торба
author_sort Сергей Сергеевич Крыгин
title Measurement of stress-deformed state of AGTE parts by tensometry method
title_short Measurement of stress-deformed state of AGTE parts by tensometry method
title_full Measurement of stress-deformed state of AGTE parts by tensometry method
title_fullStr Measurement of stress-deformed state of AGTE parts by tensometry method
title_full_unstemmed Measurement of stress-deformed state of AGTE parts by tensometry method
title_sort measurement of stress-deformed state of agte parts by tensometry method
publisher National Aerospace University «Kharkiv Aviation Institute»
publishDate 2021
url https://doaj.org/article/de864ffcf280430aa794878a1b15f829
work_keys_str_mv AT sergejsergeevičkrygin measurementofstressdeformedstateofagtepartsbytensometrymethod
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