Proceedings ArticleDOI
Coating methods to increase material damping of compressor blades : measurements and modeling
TLDR
In this paper, the authors developed methods to improve the damping performance of compressor blades, where hard coating technique is applied to increase the structural damping, displaying both measurements and modeling r...Abstract:
Methods are developed to improve the damping performance of compressor blades, where hard coating technique isapplied to increase the structural damping, displaying both measurements and modeling r ...read more
Citations
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Journal ArticleDOI
Fatigue probability assessment including aleatory and epistemic uncertainty with application to gas turbine compressor blades
TL;DR: In this article, a new method for fatigue probability assessment is introduced, which is applied to a bladed disk in a gas turbine for computation of the high cycle fatigue probability, and it is shown that both epi...
Journal ArticleDOI
Vibration analysis of hard-coated composite beam considering the strain dependent characteristic of coating material
W. Sun,Yunqiao Liu +1 more
TL;DR: In this paper, a high order polynomial was adopted to characterize the strain dependent characteristics of hard coatings and the analytical model of a hard-coated composite beam was created by the energy method.
Numerical Methods for Turbomachinery Aeromechanical Predictions
TL;DR: In both aviation and power generation, gas turbines are used as key components as discussed by the authors, and an important driver of technological advance in gas turbines is the race towards environmentally friendly machines, d...
Journal ArticleDOI
Damping mistuning effect of the hard-coating-based intentional mistuning techniques on mistuned blisks and its mechanism
Junnan Gao,Junnan Gao,Ye Gao,Ye Gao,Xianfei Yan,Xianfei Yan,Jixiang Jiang,Jixiang Jiang,Kunpeng Xu,Kunpeng Xu,Wei Sun,Wei Sun +11 more
TL;DR: Investigations of vibrational characteristics of mistuned blisks, some of them with tuned coating designs and the others with intentional mistuning coating designs, reveal the effects of different coating patterns on forced response reduction, and reveal the reasons for the different performance ofDifferent coating patterns in vibration reduction.
Journal ArticleDOI
Eddy Current Damper for Turbine Blading: Electromagnetic Finite Element Analysis and Measurement Results
TL;DR: In this paper, an extended analysis of the eddy current based damping device for a last stage steam turbine blading presented in GT2009-59593 is conducted and the resulting damping forces are compared to their analytical solution.
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