Zobrazeno 1 - 10
of 697
pro vyhledávání: '"squeeze film damper"'
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:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-19 (2024)
Abstract Low damping characteristics have always been a key sticking points in the development of gas bearings. The application of squeeze film dampers can significantly improve the damping performance of gas lubricated bearings. This paper proposed
Externí odkaz:
https://doaj.org/article/a422f90b11f54919b89f0b6e311f4a2b
Akademický článek
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Akademický článek
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Autor:
Markus Golek, Jakob Gleichner, Ioannis Chatzisavvas, Lukas Kohlmann, Marcus Schmidt, Peter Reinke, Adrian Rienäcker
Publikováno v:
Lubricants, Vol 12, Iss 7, p 253 (2024)
Squeeze film dampers are used to reduce vibration in aircraft jet engines supported by rolling element bearings. The underlying physics of the squeeze film dampers has been studied extensively over the past 50 years. However, the research on the SFDs
Externí odkaz:
https://doaj.org/article/c19add9a093a4fca81ebc16127cf5d01
Publikováno v:
Jixie chuandong, Vol 47, Pp 105-112 (2023)
As an important part of mechanical transmission, gears have become one of the main sources of vibration and noise of mechanical equipment in the application process. In order to reduce and isolate the vibration of the helical gear system, a novel str
Externí odkaz:
https://doaj.org/article/0c0af82a466a4e3e8ad73836357b768b
Publikováno v:
Machines, Vol 12, Iss 4, p 274 (2024)
Integral squeeze film damper (ISFD) is a new type of structure that appeared on the basis of traditional squeeze film damper (SFD). Since the oil film in ISFD is a segmented structure without annular flow, the nonlinearity of the oil film force has b
Externí odkaz:
https://doaj.org/article/b2da9ab11f6b4cc98d7f6acac9732eb3
Publikováno v:
Results in Engineering, Vol 20, Iss , Pp 101618- (2023)
For the aero-engine rotor system with complex vibration responses, a simplified model based dynamic similarity is proposed to study the vibration characteristics of that. On the basis of the principle of dynamic similarity, a simplified model of the
Externí odkaz:
https://doaj.org/article/189a7a471f854001b626cbb4f405ada6
Autor:
D. K. Novikov, N. S. Shliandina
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 21, Iss 3, Pp 108-115 (2022)
One of the most common ways to reduce vibration in aircraft engines is the use of damping devices. Squeeze-film dampers are the dampers most widely used in aircraft engine designs. The efficiency of squeeze-film dampers is determined by their damping
Externí odkaz:
https://doaj.org/article/a559828bb00547c0bf2a67bb5df6d134
Publikováno v:
Energies, Vol 17, Iss 5, p 1176 (2024)
Downhole turbine generators (DHTG) installed within drill-string are susceptible to internal and external excitation during the drilling process, causing significant dynamic loads on bearings, and thereby reducing the bearing’s service life. In thi
Externí odkaz:
https://doaj.org/article/dcc8fe4e068b4b44bdec796fa48ae4d5