On the vibration of a rotating disk
WebThe natural frequency and responses for the nonlinear free vibration ofheated rotating disks are presented analytically when nonuniformtemperature distributions pertaining to the laminar and turbulentairflow induced by disk rotation are considered. The nonuniformtemperature distributions on the disk are highly dependent on itsrotation … Web1 de dez. de 2024 · Abstract In this paper, we consider the stabilization of a unitized rotating disk–cable system, ... Vance and Katholi, 1978 Vance O.L., Katholi C.R., …
On the vibration of a rotating disk
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WebExperimental studies with stationary and rotating disks are presented covering forced vibration in the linear and nonlinear zones. The results show that a non-linear stationary … Web5 de fev. de 2008 · Experimental studies on the aerodynamic coupling effect on natural frequencies, critical speed and flutter instability of rotating disks are investigated in this …
Web16 de mai. de 2012 · In a companion paper (Khorasany and Hutton, 2010, “Vibration Characteristics of Rotating Thin Disks—Part II: Analytical Predictions,” ASME J. Mech., 79(4), p. 041007), analytical predictions of such disk behavior are presented and compared with the experimental results obtained in this study. Web1 de jan. de 1996 · A new approach to analyzing the dynamic coupling between shaft torsion and blade bending of a rotating shaft–disk–blade unit is introduced. The approach allows the shaft to vibrate freely around its rotation axis instead of assuming a periodic perturbation of the shaft speed that may accommodate the shaft flexibility only to a limited extent. A …
Web1 de set. de 1995 · The instability mechanisms of a rotating disk, coupled to a rigid surface through a viscous fluid film at the interface, are investigated analytically. The fluid in the … Web28 de mar. de 2024 · The operation of a real aircraft engine is affected by heat. After an initial comprehensive coupled vibration study of a shaft-disk-blades rotor, the authors added heat to explore heat-elastic coupled vibrations. The assumed mode and finite element methods were applied in this study. In addition, a new material, the nickel-based …
Web12 de nov. de 2024 · Bladed disks of engine rotors usually operate at harsh conditions of high rotating speeds, which may lead to nonnegligible rotordynamic effects, including Coriolis force, spin softening, and stress stiffening effects. These effects on the vibration of mistuned bladed disks are seldom discussed in available investigations. In this paper, …
WebThe values of displacement and velocity on vibrations of rotating machinery, J Sou Vib, 185 4 (1985) for a speed of 1000 rpm is higher for a faulty 655-671. condition in comparing with healthy condition 11 Saavedra P N & Ramirez D E, Vibration analysis of rotors for the identification of shaft misalignment Part- I: irrespective of the drive,coupling or non drive … northern lights boy scoutsWeb1 de jan. de 2011 · On the other hand, about disks, Shen [10] further employed Rayleigh dissipation function and Lagrange's equation to solve for the forced responses of a rotating disk system. Shen and Ku [11] applied Lagrange's equations and linearized equation of motion to explore the multiple disk system, and found the frequencies of the unbalanced … northern lights breaks in scotlandWebFluid flow around a rotating disk is another subject which is practical in different machines. A disk which is rotating in a specific space causes temperature rise in the bulk of the air. In fact, the power given to the disk surface is turned into dissipation work. In this post, this topic has been discussed and the parameters of the fluid flow behavior have been … how to rotate computer screen macWeb1 de jan. de 2014 · Analytical method is presented for the determination of free vibration characteristics of high speed viscoelastic rotating disks. In the development of this analytical solution, two-dimensional ... how to rotate crop overlay in lightroomWebAdditionally, the effects of the rotating speed, GPL distribution pattern, GPL weight fraction, length-to-thickness ratio and length-to-width ratio of GPLs, inner and outer radius of the … how to rotate coreldrawWebAs the main components of the rotor system of aero-engines and other rotating machinery equipment, the bladed disk system has high requirements on its structure design, safety and stability. Taking the rotor disk system of aero-engines as the research object, modal calculation of the rotor disk system was based on the group theory algorithm, and using … northern lights buy ins \u0026 blanksWeb1 de set. de 1995 · The instability mechanisms of a rotating disk, coupled to a rigid surface through a viscous fluid film at the interface, are investigated analytically. The fluid in the film is driven circumferentially by the viscous shear, and it flows outwards radially under centrifugal forces. The circumferential flow component creates an equivalent viscous … northern lights buffet package promo code