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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   +4 more sources

Study on Water Erosion in Deep Peak Shaving of Steam Turbine

open access: yes发电技术, 2021
In order to improve the life of the unit, and study the water erosion of the last stage moving blade caused by the deep peak shaving of steam turbine, this paper established a method to measure the water erosion of blade based on relative volumetric flow.
Yunfeng LIU   +4 more
doaj   +1 more source

Effect of cold rolling deformation and heat treatment on microstructure and hardness of GH4169 alloy plate

open access: yesJournal of Aeronautical Materials, 2023
Cold rolling and heat treatment experiments of GH4169 alloy with different deformation were carried out. Effect of different cold rolling deformation and heat treatment state on microstructure and hardness of plate was analyzed. Cold rolling experimental
TIAN Wei   +5 more
doaj   +1 more source

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

Flutter Prediction Method for Long Blade of Steam Turbine

open access: yes发电技术, 2021
A three-dimensional fluid-solid coupling calculation model of long blade of steam turbine was established based on the aerodynamic and structural vibration simulation platform. Taking the second last stage blade of a foreign 60Hz steam turbine unit as an
Changchun LIU   +4 more
doaj   +1 more source

Investigation of New Design Principles for the Centrifugal Compressor Vaned Diffusers

open access: yesInternational Journal of Aerospace Engineering, 2022
Diffuser’s aerodynamic performance is crucial for the centrifugal compressors, while at present the universal principles for the optimization design of the vaned diffusers are still not available. In this paper, three vaned diffusers with different inlet
Qingkuo Li   +4 more
doaj   +1 more source

Numerical investigation on combustion and NOx emissions of a CH4 / kerosene afterburner [PDF]

open access: yesE3S Web of Conferences, 2021
Cogeneration groups equipped with gas turbines usually operate with natural gas. The new requirements regarding the flexibility of functioning both with conventional and alternative fuels have led to the development of new solutions.
Mangra Andreea Cristina, Barbu Ene
doaj   +1 more source

Computational flow field analysis of a Vertical Axis Wind Turbine [PDF]

open access: yes
The present work has used Computational Fluid Dynamics (CFD) to obtain the flow field characteristics of a novel Vertical Axis Wind Turbine (VAWT). The turbine used in this study features a multi blade design where both a stator and rotor blade array is ...
Colley, Gareth, Mishra, Rakesh
core   +4 more sources

First Generation Feminist? Auto-Ethnographic Reflections on Politicisation and Finding a Home within Feminism

open access: yesGenealogy, 2019
In spite of the apparent rise in feminism, who gets to know about feminism is still fraught and impartial. How then, do we come to find ‘a home’ in and for feminism when it has been absent from our formative politicisation? How comfortable is
Vikki Turbine
doaj   +1 more source

Development of Heavy-Duty Gas Turbines in China in the New Era

open access: yes中国工程科学, 2022
The heavy-duty gas turbine industry is key to national energy security. Guided by major national projects and driven by the carbon peaking and carbon neutrality goals, strategic research on heavy-duty gas turbines are urgently required in China.
Shu Guogang   +5 more
doaj   +1 more source

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