Zobrazeno 1 - 10
of 149
pro vyhledávání: '"собственная частота"'
Publikováno v:
Глобальная ядерная безопасность, Vol 48, Iss 3, Pp 51-61 (2023)
It is experimentally proven that the main cause of vibration excitation of equipment and internals of the main circulation circuit (MCC) are acoustic standing waves (ASW) and main circulation pumps (MCP). Usage of an interdisciplinary approach made i
Externí odkaz:
https://doaj.org/article/3b49798e76f04f68922043740f25f2f7
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 1, Pp 44-56 (2022)
The transverse movements of the plates of constant thickness are assumed to be small. In this case the plates are bent by moments applied at the edge with constant intensity. For the first time, a theory of the pure bending of round and annular plate
Externí odkaz:
https://doaj.org/article/3b93534796444640b686431f7ca8ba3a
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 8, Pp 73-77 (2019)
The ship propulsion complex is considered as a torsion system with distributed parameters, consisting of flywheels (cylinder compartments, propeller) connected by shafts. Shafts can be weightless (only rigidity) or have distributed parameters. Contem
Externí odkaz:
https://doaj.org/article/7c50ad3f45914c90b75a1dd7f786cbbb
Autor:
Виктор Леонидович Грешта, Дмитрий Викторович Павленко, Ярослав Викторович Двирнык, Дарья Владимировна Ткач
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 8, Pp 105-113 (2019)
The aim of the work was the development and testing of a method for determining the dynamic modulus of elasticity of running-in sealing gasket coatings for GTE turbines. Many contradictory requirements are put forward to these coatings, therefore, to
Externí odkaz:
https://doaj.org/article/daa3157655f8488eb9b8c9c9d8bd4693
Autor:
О.N. POPOV
Publikováno v:
Вестник Донского государственного технического университета, Vol 6, Iss 4, Pp 380-384 (2018)
This article devoted description of calculations results of eigenvalue and eigenform problem of over spring beam cart 18-100 railway wagon of latest modifications, with elastic reinforcements in central region , and without.
Externí odkaz:
https://doaj.org/article/d09d4a3c460e4342b37442721ba05e9e
Publikováno v:
Материалы XIX Всероссийской (национальной) научно-технической конференции студентов и аспирантов
The article presents comparisons of methods for calculating natural frequencies of pipeline vibrations. Calculation of the stiffness-frequency characteristics is required to determine the near-resonant frequencies. В статье представл
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2762::0e206ba381ea448ff5c309561e1d9a23
https://elar.usfeu.ru/handle/123456789/12291
https://elar.usfeu.ru/handle/123456789/12291
В работе предложен итерационный метод отыскания собственных частот симметричных колебаний для прямоугольной CFCF-пластины с помощью дву
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e67450e74f864d179622a93f565834ec
Publikováno v:
Structural Mechanics of Engineering Constructions and Buildings, Vol 0, Iss 1, Pp 69-77 (2014)
The finite differences method application model to calculation of pavements dynamic characteristics is offered. The recurrence relationsallow establishing amplitude-time and am- plitude-frequency characteristics taking into account viscoelastic mater
Externí odkaz:
https://doaj.org/article/62c8b49641374644b26c985e235017de
Publikováno v:
Инженерно-строительный журнал, Vol 96, Iss 4, Pp 118-128 (2020)
A mathematical model, methods and algorithm to assess the spatial natural vibrations of axisymmetric structures are given in the paper taking into account the variability of the slope and structure thickness in the framework of the viscoelastic theor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c8f79ac816600fa8fba7762d8967244
https://engstroy.spbstu.ru/userfiles/files/2020/4(96)/10.pdf
https://engstroy.spbstu.ru/userfiles/files/2020/4(96)/10.pdf
Рассматривается совместная работа системы, состоящей из магнитострикционного преобразователя и ультразвукового генератора. Показано,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38edfc06218ba272c0d64beb94e84cb5