Application of extremum response surface method-based improved substructure component modal synthesis in mistuned turbine bladed disk
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115210
Abstract: Abstract To improve the computational efficiency of vibration characteristics and reliability analysis for a detailed numerical model of the mistuned turbine bladed disk, a new methodology called extremum response surface method-based improved substructural component modal… read more here.
Keywords: turbine bladed; model; bladed disk; mistuned turbine ... See more keywords
Veering and merging analysis of nonlinear resonance frequencies of an assembly bladed disk system
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115818
Abstract: Abstract This paper presents an investigation of the eigenvalues of veering and merging phenomena of a bladed disk system with contact features (an assembly bladed disk system). Of particular interest are the vibrational characteristics at… read more here.
Keywords: system; disk; assembly bladed; veering merging ... See more keywords
Precise measurements of torque in von Karman swirling flow driven by a bladed disk
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Turbulence"
DOI: 10.1080/14685248.2018.1494833
Abstract: ABSTRACT Scrupulous measurements and detailed data analysis of the torque in a swirling turbulent flow driven by counter-rotating bladed disks reveal an apparent breaking of the law of similarity. Potentially, such breakdown could arise from… read more here.
Keywords: disk; flow driven; precise measurements; measurements torque ... See more keywords
Probabilistic Fatigue/Creep Optimization of Turbine Bladed Disk with Fuzzy Multi-Extremum Response Surface Method
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12203367
Abstract: To effectively perform the probabilistic fatigue/creep coupling optimization of a turbine bladed disk, this paper develops the fuzzy multi-extremum response surface method (FMERSM) for the comprehensive probabilistic optimization of multi-failure/multi-component structures, which absorbs the ideas… read more here.
Keywords: method; turbine bladed; optimization; fatigue creep ... See more keywords