Zobrazeno 1 - 10
of 378
pro vyhledávání: '"Amplitude-frequency characteristic"'
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 23, Iss 3, Pp 69-81 (2024)
The article describes the possibility of determining the damping coefficient of a support with an elastic ring based on dry friction forces using a special test bench. The forced excitation force is set by the oscillations of a compact speaker instal
Externí odkaz:
https://doaj.org/article/3f1a21e179fd468e942e70a36829043e
Publikováno v:
Acta Technologica Agriculturae, Vol 27, Iss 1, Pp 35-42 (2024)
The two-phase method is quite widespread when harvesting grain crops and forage grasses. For its implementation, farmers prefer harvesting units with a front-mounted header. The main disadvantage of such units is that after their passage in the space
Externí odkaz:
https://doaj.org/article/11e2a274e0394e7db273dac59e45d904
Publikováno v:
Збірник наукових праць Державного університету інфраструктури та технологій: серія "Транспортні системи і технології", Iss 43 (2024)
The object of the study is the process of monitoring the technical condition of electrical insulation of traction electric machines in order to determine the need for their maintenance or repair. Diagnostics of electric machines is an important aspec
Externí odkaz:
https://doaj.org/article/c8da332b60cc4692b56341b7219d86b9
Publikováno v:
Energies, Vol 17, Iss 14, p 3467 (2024)
When harvesting cereals and fodder grasses, a two-phase method is often used. This process is carried out using trailed and suspended collecting units. The former are asymmetrical and often pose problems regarding the stability of their movement in t
Externí odkaz:
https://doaj.org/article/cdee540df6b14e858986ea5e22e7020f
Akademický článek
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Akademický článek
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Publikováno v:
Российский технологический журнал, Vol 9, Iss 2, Pp 44-56 (2021)
The article considers the method of vibration diagnostics of onboard electronic devices based on the analysis of resonant frequencies. An algorithm for diagnosing mechanical defects of the studied blocks and nodes is presented. The structure of the c
Externí odkaz:
https://doaj.org/article/981cc3d13ecb4edc8c215b15189f4be9
Publikováno v:
Journal of Mechanical Engineering, Vol 24, Iss 1, Pp 42-52 (2021)
The last-stage blades of K-1000-60/3000 steam turbines operate in a humid steam environment, which causes erosion damage in the blades and reduction in their residual life. The relevance of this work is related to the need to continue the safe operat
Externí odkaz:
https://doaj.org/article/2d97d2411e774776a6a61eb36353f261
Publikováno v:
Jixie chuandong, Vol 44, Pp 137-140 (2020)
In order to analyze the dynamic characteristics of locomotive traction gear transmission system under different operating conditions，taking a certain type of locomotive traction gearbox as the research object，through the Simpack multi-body dynami
Externí odkaz:
https://doaj.org/article/68e3b0c8172a4886ad410933f9c1df4f
Publikováno v:
Nanotechnology and Precision Engineering, Vol 3, Iss 2, Pp 96-103 (2020)
In the inductively coupled data transmission system of the mooring buoy, the carrier signal frequency of the transmission channel is limited due to the inherent characteristics of the system, resulting in limited channel bandwidth. The limited channe
Externí odkaz:
https://doaj.org/article/db479cb764d143d59436886080f4f213