Fundamental characterisation of coherent structures for swirl combustors

A Alsaegh - 2022 - orca.cardiff.ac.uk
swirl combustors have demonstrated that they can effectively stabilise flames across a wide
range of operating conditions due to established, widely known but not fully understood swirl …

Enhancing flame flashback resistance against Combustion Induced Vortex Breakdown and Boundary Layer Flashback in swirl burners

FA Hatem, AS Alsaegh, M Al-Faham, A Valera-Medina… - Applied energy, 2018 - Elsevier
Swirl combustors have proven to be effective flame stabilisers over a wide range of
operation conditions thanks to the formation of well-known swirl coherent structures …

Enhancement flame flashback resistance against CIVB and BLF in swirl burners

FA Hatem, AS Alsaegh, M Al-Faham, A Valera-Medina - Energy Procedia, 2017 - Elsevier
Swirl combustors have proven as effective flame stabilisers over a wide range of operation
conditions thanks to the formation of well-known swirl coherent structures. However …

Flashback analysis and avoidance in swirl burners

F Hatem - 2017 - orca.cardiff.ac.uk
This study is aimed to investigate and demonstrate the feasibility and validity of various
flame flashback resistance techniques for premixed fuel conditions. It presents a series of …

[PDF][PDF] CFD simulation and validation of hydrodynamic instabilities onset in swirl combustor

AS Alsaegh, FA Hatem, AV Medina… - 8th European …, 2017 - academia.edu
The objective of this paper is to employ a numerical approach to model a 150kW tangential
swirl burner to investigate the consequence of central air injection on the flashback …

[图书][B] Coherent structures and their effects on processes occurring in swirl combustors

A Valera-Medina - 2009 - search.proquest.com
Access to energy is fundamental to civilisation, both as economic and social yTL
development. This is fuelling a growing demand for reliable, affordable and clean energies …

Effects of different nozzle configurations on swirl flow topology in tangential swirl burners

AS Alsaegh, A Valera-Medina, NA Hussein… - Energy Procedia, 2019 - Elsevier
Flame flashback is one of the central combustion instabilities, especially when it appears in
the form of boundary layer flashback (BLF) or combustion induced vortex breakdown (CIVB) …

Premixed swirl combustion and flashback analysis with hydrogen/methane mixtures

A Bagdanavicius, N Shelil, N Syred, A Griffiths… - 48th AIAA Aerospace …, 2010 - arc.aiaa.org
Hydrogen is considered as one of the most promising alternative to existing fuels. However
the high cost of production of pure hydrogen, safety issues and different combustion …

Experimental investigation of the Effect of Air Diffusive injection on premixing swirl flames

N Syred, FA Hatem, A Valera-Medina… - 55th AIAA Aerospace …, 2017 - arc.aiaa.org
In recent decades there has been a strong trend towards the use of lean premixed
combustion in order to produce gas turbine systems that are compliant with air quality …

Experimental Investigation of the Effects of Central Fuel Injectors on Premixed Swirling Flames

N Syred, FA Hatem, A Valera-Medina… - 53rd AIAA Aerospace …, 2015 - arc.aiaa.org
The demand for alternative fuels has increased significantly during the previous decades in
order to reduce pollutants and increase the amount of energy that can be generated from …