Zobrazeno 1 - 10
of 1 219
pro vyhledávání: '"self-excited vibration"'
Fractal contact resistance model of wind pitch slip ring considering wear and self-excited vibration
Publikováno v:
Industrial Lubrication and Tribology, 2024, Vol. 76, Issue 2, pp. 214-230.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-09-2023-0300
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 936, Pp 24-00014-24-00014 (2024)
Chatter vibration generated in cutting thin-walled cylindrical workpiece is self-excited vibration caused by the coupling of two natural vibration modes which have the same number but different position of the node diameters in thin-walled cylindrica
Externí odkaz:
https://doaj.org/article/a9b7302a8ec64e458d7766d27d2a945b
Autor:
Yahong Dong, Shuqian Cao
Publikováno v:
Lubricants, Vol 12, Iss 9, p 313 (2024)
Polygonal wear affects driving safety and drastically shortens a wheel’s life. This work establishes a wheel–rail coupled system’s rotor dynamics model and a wheel polygonal wear model, taking into account the wheelset’s flexibility, the effe
Externí odkaz:
https://doaj.org/article/9b0b3450f90e452aac9394d87fac801e
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 936, Pp 24-00019-24-00019 (2024)
In end milling, chatter vibration generated during processing becomes a problem in processing accuracy. Chatter vibration is classified into forced chatter and self-excited chatter depending on the cause of the vibration. Especially, stability of sel
Externí odkaz:
https://doaj.org/article/fec220081d0745f0b18fb2459a7e4b40
Autor:
Ye Zeng, Jun Li, Hongcai Li, Qianqian Zhang, Can Li, Zhao Li, Runpeng Jiang, Chaodong Mai, Zhe Ma, Hongwei He
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
In plant horticulture, furrow fertilizing is a common method to promote plant nutrient absorption and to effectively avoid fertilizer waste. Considering the high resistance caused by soil compaction in southern orchards, an energy-saving ditching dev
Externí odkaz:
https://doaj.org/article/615b18f94da44b17998cd77da8184897
Publikováno v:
Mathematics, Vol 12, Iss 13, p 2134 (2024)
The vehicle–guideway coupled self-excited vibration of maglev systems is a common control instability problem in maglev traffic while the train is suspended above flexible girders, and it seriously affects the suspension stability of maglev vehicle
Externí odkaz:
https://doaj.org/article/5bc9b8bb09494883bb45f4af6637e052
Publikováno v:
Mechanical Engineering Journal, Vol 11, Iss 2, Pp 23-00389-23-00389 (2024)
In a printer fuser assembly, unpleasant noise caused by friction-induced vibrations can occur owing to friction between the pad and the inner surface of the fixing sleeve. However, the vibration mode of the fuser assembly involved in the generation o
Externí odkaz:
https://doaj.org/article/8f6eebb01f404e859aec08a563906851
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 930, Pp 23-00251-23-00251 (2024)
A brake that presses a friction material against a rotating disk is called a disk brake. And it is widely used in industrial machines and automobiles. A noise called squeal may occur during braking. Squealing is generally unpleasant and can impair th
Externí odkaz:
https://doaj.org/article/972b15aa6b7049e8ad8705042c02f579
Publikováno v:
Actuators, Vol 13, Iss 5, p 165 (2024)
Overrunning spring clutches are widely used as essential transmission devices, and the occurrence of abnormal noise can lead to a decline in their performance. This study investigates the dynamic aspects of abnormal noise in engineering applications,
Externí odkaz:
https://doaj.org/article/786c8c22e26747b9ba2861e585cc37f9
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 15, Iss 6, Pp 1789-1799 (2022)
In reversible pump-turbines, guide vane vibrations are considered to have potentially severe consequences of noise and structural damage. Unstable torsional mode self-excited vibrations of guide vanes have been reported at small guide vane openings d
Externí odkaz:
https://doaj.org/article/fb1c8d0372f14529ad35db1ccf489429