Deep learning-based modeling method for probabilistic LCF life prediction of turbine blisk
Turbine blisk is one of the typical components of gas turbine engines. The fatigue life of turbine blisk directly affects the reliability and safety of both turbine blisk and aeroengine whole-body. To monitor the performance degradation of an aeroengine,
Cheng-Wei Fei, Jiongran Wen
exaly +5 more sources
Operational Reliability Analysis of Turbine Blisk Using an Enhanced Moving Neural Network Framework
As one of the key components of an aeroengine, turbine blisk endures complex coupling loads under a harsh operational environment so that the reliability of turbine blisk directly influences the safe operation of aeroengine.
Cheng-Wei Fei, Fei Chengwei
exaly +4 more sources
Improvement in the efficiency of the five-axis machining of aerospace blisks [PDF]
Blisks are not easily machined because of their complex curved surfaces and the high-precision requirements of surface machining. Lightweight alloy materials with superior mechanical properties, such as titanium alloy and stainless steel, are popular ...
Jeng-Nan Lee +3 more
doaj +2 more sources
In this article, design, fabrication, and testing of SiC/SiC turbine blisk with the fiber’s preform of Spider Web Structure (SWS) subjected to different load spectrums at elevated temperature are conducted. Micro-CT scans are conducted to show the fibers
Xiaoan Hu, Longbiao Li
exaly +2 more sources
Nonproportional Intentionally Mistuned Turbine Blisk Design with Improved Component Modal Synthesis [PDF]
An improved component modal synthesis-based nonproportional mistuning method (ICMS-NPMM) is proposed to investigate mistuned turbine blisks (MTBs) since the high-fidelity finite element models (HFEMs) involve large number of computations, which leads to ...
Bin Bai +4 more
doaj +2 more sources
Vibration analysis of an axial turbine blisk with optimized intentional mistuning pattern [PDF]
Aiming to limit the forced response of an axial turbine blisk for ship Diesel engine applications efforts have been made to increase the aerodynamic damping contribution for the most critical modes. In this regard the potential of intentional mistuning is investigated since it offers the opportunity to ensure a safe operation without a severe loss of ...
Bernd Beirow
exaly +3 more sources
To study accurately the influence of the deformation, stress, and strain of turbine blisk on the performance of aeroengine, the comprehensive reliability analysis of turbine blisk with multiple disciplines and multiple objects was performed based on ...
Chun-Yi Zhang +5 more
doaj +3 more sources
Blasting Erosion Arc Machining of Turbine Blisk Flow Channel with Laminated Electrode
Abstract This paper presents a new process for machining the flow channels of wide gap shrouded blisk. It utilizes the blasting erosion arc machining (BEAM) process with laminated electrode which contains a number of curved flushing holes. The laminated electrode is an integration of several layers (slices) of electrode plates.
Zhao Wansheng
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Reliability-Based Low Fatigue Life Analysis of Turbine Blisk with Generalized Regression Extreme Neural Network Method [PDF]
Cheng-Wei Fei, Fei Chengwei
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CREEP RELIABILITY ANALYSIS OF TURBINE BLISK BASED ON DUAL RESPONSE SURFACE METHOD
To more accurately and effectively solve the problem of comprehensive reliability of multi-failure mode with the thermal creep, dual response surface method(DRSM) was adopted to implement the reliability of aero-engine turbine blisk.
ZHANG ChunYi +4 more
doaj +1 more source

