Zobrazeno 1 - 10
of 239
pro vyhledávání: '"propulsion shafting"'
Autor:
Zheng Gu, Jinlin Liu
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 10, p 1812 (2024)
To improve the performance indexes, such as safety, reliability and acoustic stealth, of a submarine, it is significant to optimize the dynamic characteristics of its propulsion shafting. The alignment state of a shafting has a coupling effect on its
Externí odkaz:
https://doaj.org/article/bb21a7d0e8d84309ba1901e9dd403a6c
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6769 (2024)
The propulsion shaft system, as the core of the ship’s power system, has attracted widespread attention in terms of vibration. This paper is dedicated to the study of the dynamic response characteristics of the ship propulsion shafting system, with
Externí odkaz:
https://doaj.org/article/c4e025a4c4574e7a9b5b3db51ad0ed3b
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 4995 (2024)
In research concerning the impact resistance characteristics of ship power transmission shaft systems incorporating a high-elasticity coupling, a significant challenge lies in ascertaining the displacement compensation metrics for the high-elasticity
Externí odkaz:
https://doaj.org/article/27728330324a406bb0b28725c5cf53fc
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 2, Pp 227-234 (2023)
ObjectivesIn order to control the first longitudinal vibration mode of propulsion shafting systems, a dynamic vibration absorber with disc spring negative stiffness is proposed and its experimental verification carried out. MethodsA test bench is est
Externí odkaz:
https://doaj.org/article/33bebec213a14803a9a56ac1c85a8a37
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 2, Pp 243-250 (2023)
ObjectivesThe traditional method of marine propulsion shafting alignment calculation usually ignores the influence of the ship's wake field, causing a large deviation between the computational result of the propeller hydrodynamic force and the real v
Externí odkaz:
https://doaj.org/article/2861e562859046e6afb03fda766a4c79
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 2, Pp 235-242 (2023)
ObjectiveIn view of the insufficient safety and reliability of the traditional deterministic vibration analysis of ship propulsion shafting system, the vibration response analysis of the shafting system under uncertain excitation conditions is carrie
Externí odkaz:
https://doaj.org/article/f4a931d461164fe7a0328c8b90533d21
Publikováno v:
Polish Maritime Research, Vol 30, Iss 1, Pp 86-97 (2023)
Dynamic designs for ship propulsion shafting can be categorised as complex multi-disciplinary coupling systems. The traditional single disciplinary optimisation design method has become a bottleneck, restricting the further improvement of shafting de
Externí odkaz:
https://doaj.org/article/449185127a2344ffa6bcd685ffeb9993
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 1, Pp 231-239 (2023)
ObjectivesDue to the larger length-to-diameter ratio of the stern bearing, it is difficult to reflect its actual operating conditions when simplified to the traditional equivalent model of single-point support. Therefore, the influence of the equival
Externí odkaz:
https://doaj.org/article/013adedc301b4667a696f7d2e74775ac
Autor:
Zhiqiang LIAO, Baozhu JIA
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 17, Iss 6, Pp 88-95 (2022)
ObjectivesTo address the problem of the fault diagnosis of ship propulsion shafting bearings, this paper proposes a visual diagnosis method based on a holographic symmetrical dot pattern (SDP) and similarity recognition. MethodsFirst, the bearing vib
Externí odkaz:
https://doaj.org/article/0e11e1708f2449c4a4114f866e0a9963
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 17, Iss 6, Pp 141-147 (2022)
ObjectiveThe propulsion shafting system is an important part of a ship, and the bearing load directly affects its operating state and service life. In this paper, bearing load under hull deformation is studied using grey system theory. Method First,
Externí odkaz:
https://doaj.org/article/587701126f9642d6867228fccdbfbb4d