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Anitha Kumari Azmeera, Prakash Jadhav and Chhaya Lande
Upgrading abradable or wearable coatings in the high-temperature zone of aero engines is advised to increase the efficiency and high-density power in gas turbine engines for military or commercial fixed-wing and rotary-wing aircraft. The development of t...
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Seyed Jalal Mohammadi Doulabi Fard and Soheil Jafari
The Advisory Council for Aeronautics Research in Europe (ACARE) Flight Path 2050 focuses on ambitious and severe targets for the next generation of air travel systems (e.g., 75% reduction in CO2 emissions per passenger kilometer, a 90% reduction in NOx e...
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Matthew Ellis, Nicholas Bojdo, Antonio Filippone and Rory Clarkson
Aero-engines, which encounter clouds of airborne particulate, experience reduced performance due to the deposition of particles on their high-pressure turbine nozzle guide vanes. The rate of this degradation depends on particle properties, engine operati...
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Jasem Alqallaf and Joao A. Teixeira
Degradation of compressors is a common concern for operators of gas turbine engines (GTEs). Surface roughness, due to erosion or fouling, is considered one of the major factors of the degradation phenomenon in compressors that can negatively affect the d...
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Soheil Jafari, Ahmed Bouchareb and Theoklis Nikolaidis
This paper presents a methodological approach for mathematical modelling and physics-based analysis of accessory gearbox (AGB) thermal behavior in gas turbine aero engines. The AGB structure, as one of the main sources of heat in gas turbine aero engines...
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Keqi Hu, Yuanqi Fang, Yao Zheng, Gaofeng Wang and Stéphane Moreau
As an indirect noise source generated in the combustion chamber, entropy waves are widely prevalent in modern gas turbines and aero-engines. In the present work, the influence of entropy waves on the downstream flow field of a turbine guide vane is inves...
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