Determining static stiffness of damper elastic rings

The article describes a method for experimental evaluation of the stiffness of an elastic damper ring. A thin-walled low-stiffness ring with uniformly distributed smooth protrusions on the inner and outer surfaces acts as a damper ring. Despite the widespread use of such a design in domestic and for...

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Main Authors: D. S. Diligensky, D. K. Novikov, K. V. Boyarov
Format: Article
Language:English
Published: Samara National Research University 2022-01-01
Series:Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
Subjects:
Online Access:https://journals.ssau.ru/vestnik/article/viewFile/10014/8850
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author D. S. Diligensky
D. K. Novikov
K. V. Boyarov
author_facet D. S. Diligensky
D. K. Novikov
K. V. Boyarov
author_sort D. S. Diligensky
collection DOAJ
description The article describes a method for experimental evaluation of the stiffness of an elastic damper ring. A thin-walled low-stiffness ring with uniformly distributed smooth protrusions on the inner and outer surfaces acts as a damper ring. Despite the widespread use of such a design in domestic and foreign mechanical engineering, control of the characteristics of this element and, accordingly, of the support as a whole remains quite difficult. A numerical model was developed, the reliability of which is confirmed by analytical calculations. To check the data obtained by numerical calculations, a special device was designed, which was installed on the galdabini tensile testing machine, where a series of measurements was carried out. Analysis of the data obtained showed a significant difference between the numerical, analytical and experimental data, which can be explained by the discrepancy between the equipment used and the boundary conditions of the theoretical model. The parameters of the device were selected in such a way that its rigidity was much higher than the rigidity of the elastic ring under study. The paper describes the improvement of both the design of the device and the method for determining the stiffness of the elastic ring of the damper using the specified measuring equipment. After making corrections, the obtained data on the scatter of the stiffness of the elastic ring are in good agreement with the analytical and numerical dependence, which makes it possible to use the data of the latter to refine the analytical methods in the future
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spelling doaj.art-29baa371ab5f45c58a87ca46ca80c1ba2023-03-14T07:00:11ZengSamara National Research UniversityВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение2542-04532541-75332022-01-01204697810.18287/2541-7533-2021-20-4-69-788581Determining static stiffness of damper elastic ringsD. S. Diligensky0https://orcid.org/0000-0002-5788-0120D. K. Novikov1K. V. Boyarov2Samara National Research UniversitySamara National Research UniversitySamara National Research UniversityThe article describes a method for experimental evaluation of the stiffness of an elastic damper ring. A thin-walled low-stiffness ring with uniformly distributed smooth protrusions on the inner and outer surfaces acts as a damper ring. Despite the widespread use of such a design in domestic and foreign mechanical engineering, control of the characteristics of this element and, accordingly, of the support as a whole remains quite difficult. A numerical model was developed, the reliability of which is confirmed by analytical calculations. To check the data obtained by numerical calculations, a special device was designed, which was installed on the galdabini tensile testing machine, where a series of measurements was carried out. Analysis of the data obtained showed a significant difference between the numerical, analytical and experimental data, which can be explained by the discrepancy between the equipment used and the boundary conditions of the theoretical model. The parameters of the device were selected in such a way that its rigidity was much higher than the rigidity of the elastic ring under study. The paper describes the improvement of both the design of the device and the method for determining the stiffness of the elastic ring of the damper using the specified measuring equipment. After making corrections, the obtained data on the scatter of the stiffness of the elastic ring are in good agreement with the analytical and numerical dependence, which makes it possible to use the data of the latter to refine the analytical methods in the futurehttps://journals.ssau.ru/vestnik/article/viewFile/10014/8850elastic ringstiffnessdamperhysteresisload cellanisotropy
spellingShingle D. S. Diligensky
D. K. Novikov
K. V. Boyarov
Determining static stiffness of damper elastic rings
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
elastic ring
stiffness
damper
hysteresis
load cell
anisotropy
title Determining static stiffness of damper elastic rings
title_full Determining static stiffness of damper elastic rings
title_fullStr Determining static stiffness of damper elastic rings
title_full_unstemmed Determining static stiffness of damper elastic rings
title_short Determining static stiffness of damper elastic rings
title_sort determining static stiffness of damper elastic rings
topic elastic ring
stiffness
damper
hysteresis
load cell
anisotropy
url https://journals.ssau.ru/vestnik/article/viewFile/10014/8850
work_keys_str_mv AT dsdiligensky determiningstaticstiffnessofdamperelasticrings
AT dknovikov determiningstaticstiffnessofdamperelasticrings
AT kvboyarov determiningstaticstiffnessofdamperelasticrings