Numerical assessment of friction damping at turbine blade root joints by simultaneous calculation of the static and dynamic contact loads

被引：0
作者：
Stefano Zucca
Christian M. Firrone
Muzio M. Gola
机构：
[1] Politecnico di Torino,Mech. Eng. Dept.
来源：
Nonlinear Dynamics | 2012年 / 67卷
关键词：
Turbine blade; Blade root; Friction damping; Forced response; Harmonic balance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In turbomachinery, the perfect detuning of turbine blades in order to avoid high cycle fatigue damage due to resonant vibration is often unfeasible due to the high modal density of bladed disks.
引用
收藏
页码：1943 / 1955
页数：12
相关论文
共 45 条
[1]  
Srinivasan A.V.(1997)Flutter and resonant vibration characteristics of engine blades J. Eng. Gas Turbine Power 119 742-755
[2]  
Griffin J.H.(1980)Friction damping of resonant stresses in gas turbine engine airfoils J. Eng. Power 102 329-333
[3]  
Griffin J.H.(1991)Friction damping of circular motion and its implications to vibration control J. Vib. Acoust. 113 225-229
[4]  
Menq C.H.(1996)Modelling two-dimensional friction contact and its application using harmonic balance method J. Sound Vib. 193 511-523
[5]  
Sanliturk K.Y.(1998)Stick–Slip–Separation analysis and non-linear stiffness and damping characterization of friction contacts having variable normal load J. Sound Vib. 210 461-481
[6]  
Ewins D.(1998)Non-linear spring resistance and friction damping of frictional constraint having two-dimensional motion J. Sound Vib. 217 127-143
[7]  
Yang B.D.(1998)Characterization of 3D contact kinematics and prediction of resonant response of structures having 3D frictional constraint J. Sound Vib. 217 909-925
[8]  
Chu M.L.(2003)Analytical formulation of friction interface elements for analysis of nonlinear multiharmonic vibrations of bladed discs ASME J. Turbomach. 125 364-371
[9]  
Menq C.H.(2006)Effects of damping and varying contact area at blade-disk joints in forced response analysis of bladed disk assemblies J. Turbomach. 128 403-410
[10]  
Menq C.H.(2006)Numerical and experimental study of friction damping blade attachments of rotating bladed disks Int. J. Rotating Mach. 2006 71302-219
12345