全国性
发表于 2025-3-23 10:15:00
Welfare Economics and Social Choice Theoryse from internal hysteresis of the shaft material. As many modern rotors are complex assemblies of components, the conditions under which assembly or material hysteresis may give rise to unstable whirling are of great interest (see figure 1).
仲裁者
发表于 2025-3-23 14:47:25
The World Of Work-Related Learningtate equilibrium position. The speed beyond which the shaft becomes unstable and the whirl orbit begins to increase in diameter with time is defined as the threshold speed. Fluid-film instability is strongly influenced by the type of bearings which support the rotor, and by the relative flexibility of the rotor itself.
无情
发表于 2025-3-23 21:49:17
http://reply.papertrans.cn/29/2842/284168/284168_13.png
perjury
发表于 2025-3-24 01:35:17
https://doi.org/10.1007/978-3-7091-2812-1Dynamics; Stability; System; dynamics; identification; stability; system identification
啪心儿跳动
发表于 2025-3-24 03:18:07
http://reply.papertrans.cn/29/2842/284168/284168_15.png
拒绝
发表于 2025-3-24 06:44:44
Theory of Bearing Static and Dynamic Properties acting on the journal at any moment of its vibrations. Discussed here will be hydrodynamic journal bearings, applied widely in machines. These bearings at sufficient oil supply, produce oil film and generate oil pressure and separate fully rotating journal from the sleeve.
Mettle
发表于 2025-3-24 14:37:44
http://reply.papertrans.cn/29/2842/284168/284168_17.png
Cocker
发表于 2025-3-24 17:43:47
Effect of Supporting Structure on Rotor Dynamicssubsystems) of a larger system. It may contain, besides the considered assembly, also other assemblies of the machine, bearings, supporting structure, floor and building and the environment in general.
爱哭
发表于 2025-3-24 19:02:21
http://reply.papertrans.cn/29/2842/284168/284168_19.png
生命
发表于 2025-3-25 03:13:27
Dynamics of Rotors978-3-7091-2812-1Series ISSN 0254-1971 Series E-ISSN 2309-3706