Results 11 to 20 of about 2,136,117 (274)

Rough set based gas turbine fault isolation study [PDF]

open access: yes, 2010
Gas path fault isolation is one of the key techniques in Engine Health Management systems. In order to accomplish gas path fault isolation successfully for a gas turbine engine, both an accurate off-design performance model and an effective fault ...
Wang, Lihui.
core   +7 more sources

Turbine cooling and heat transfer modelling for gas turbine performance simulation [PDF]

open access: yes, 2015
The successful design of cooling systems for gas turbine engines is a key factor to feasibility of new projects, as the trend for increasing turbine entry temperatures implies requirements for more sophisticated cooling methods.
Apostolidis, Asteris
core   +7 more sources

Techno-Economic Analysis of Gas Turbine Compressor Washing to Combat Fouling [PDF]

open access: yes, 2015
Among the major deterioration problems a gas turbine encountered while in operation is compressor blade fouling. This is the accumulation and adhesion of dirt and sediment on the compressor blade which contributes between 70 to 85% of gas turbine ...
Abass, Kabir Oliade
core   +7 more sources

Techno-economic study of gas turbine in pipeline applications [PDF]

open access: yes, 2013
Natural gas being the cleanest fossil fuel today is receiving tremendous rise in demand for both industrial and domestic energy requirements. The availability of natural gas requires it to be transported from the production area through pipeline in most ...
Nasir, Abdulkarim
core   +7 more sources

Optimization Design of Aspect Ratio and Solidity of a Heavy-Duty Gas Turbine Transonic Compressor Rotor

open access: yesMachines, 2023
To investigate the influence of blade aspect ratio and solidity on the performance of heavy-duty gas turbine transonic compressors, a multi-objective optimization design platform was built by adopting the blade parameterization method based on the ...
Shuaipeng Liu   +4 more
doaj   +1 more source

Application requirements and challenges of CMC-SiC composites on aero-engine

open access: yesCailiao gongcheng, 2019
With the increase of the thrust-weight ratio of the aero-engine, CMC-SiC composites with low density, high strength and toughness, high thermal stability, long lifetime, good ablation resistance and oxidation resistance need to be developed to meet the ...
LIU Qiao-mu, HUANG Shun-zhou, HE Ai-jie
doaj   +1 more source

A Novel Integrated Control Method for an Aero-Derivative Gas Turbine of Power Generation

open access: yesMachines, 2022
On account of the complexity of aero-derivative gas turbines and the much higher control requirements, it is significant and meaningful to design advanced controllers for obtaining the ideal control effect.
Senchuang Guo   +4 more
doaj   +1 more source

Experimental and Numerical Investigations on the Dynamic Response of Blades with Dual Friction Dampers

open access: yesAerospace, 2023
Friction dampers are widely employed to reduce blade resonance vibration amplitude in turbomachinery. In this paper, a study was performed on the forced response of two blades with dual friction dampers. Numerical simulation and experimental testing were
Jixin Man   +5 more
doaj   +1 more source

Design Optimization of 1.5-Stage Transonic Compressor Based on BPNN Surrogate Model and NSGA-II

open access: yesMachines, 2023
To achieve multi-objective aerodynamics design optimization for a 1.5-stage transonic compressor, a design platform incorporating blade parameterization methods, a BPNN surrogate model, and the NSGA-II optimization method was developed. The stagger angle
Xinlong Li   +5 more
doaj   +1 more source

Effect of rejuvenation heat treatment on re-service aging stability of γ′phase in directionally solidified superalloy

open access: yesJournal of Aeronautical Materials, 2021
High temperature aging treatment was first conducted on the rejuvenated directionally solidified superalloy to simulate the re-service aging damage of turbine blades and the virgin directionally solidified superalloy respectively.
TANG Wenshu   +5 more
doaj   +1 more source

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