Analyses of Bluff Body and Swirl-Stabilised Flames Using Large Eddy Simulation

JC Massey - 2019 - repository.cam.ac.uk
Premixed and partially premixed lean combustion is utilised in modern gas turbine systems,
since an improved efficiency and lower flame temperatures can be achieved, thereby …

Large eddy simulation of lean blow-off in a premixed swirl stabilized flame

PC Nassini, D Pampaloni… - … Expo: Power for …, 2019 - asmedigitalcollection.asme.org
Modern gas turbines usually adopt very lean premixed flames to meet the current strict law
restrictions on nitric oxides emissions. In such devices, strong combustion instabilities and …

Flame Root Dynamics and Their Role in the Stabilisation of Lifted Flames

JC Massey, ZX Chen, N Swaminathan - Advances in Energy and …, 2021 - Springer
This chapter aims to provide a broad overview on the importance of lifted flames in turbulent
flows with and without swirl in practical applications for energy production and propulsion …

Large eddy simulation of bluff-body stabilized swirling non-premixed flames

H El-Asrag, S Menon - Proceedings of the Combustion Institute, 2007 - Elsevier
Large eddy simulations (LES) using a subgrid mixing and combustion model are carried out
to study two bluff-body stabilized swirling non-premixed flames (SM1 and SMA2). The …

Simulation of vorticity driven flame instability using a flame surface density approach including Markstein number effects

T Voigt, P Habisreuther… - … Expo: Power for …, 2009 - asmedigitalcollection.asme.org
The combustion induced and vorticity driven instability behaviour of a lean flame within a
premixed combustion system under typical gas turbine conditions is investigated …

Modeling and simulation of bluff body stabilized turbulent premixed flames

AL Comer, C Huang, BA Rankin… - 54th AIAA Aerospace …, 2016 - arc.aiaa.org
LUFF body stabilized turbulent premixed flames represent a canonical arrangement that has
been examined in depth by a number of experimental and computational studies. Bluff body …

Analysis of flow dynamics and flame stabilization in gas turbine related combustors

E Hodzic - 2016 - lup.lub.lu.se
The regulations on the emissions from combustion devices are getting more and more strict
for environmental and human health reasons. Modern combustion research faces two major …

The role of flame–flow interactions on lean premixed lifted flame stabilization in a low swirl flow

M Shahsavari, M Farshchi, MH Arabnejad… - Combustion Science …, 2023 - Taylor & Francis
Swirling flows have been widely used to stabilize lean premixed combustion in various gas
turbines and furnaces. In such flows, understanding and characterizing the flame …

Modelling heat loss effects in the large eddy simulation of a lean swirl-stabilised flame

JC Massey, ZX Chen, N Swaminathan - Flow, Turbulence and …, 2021 - Springer
The flame in a gas turbine model combustor close to blow-off is studied using large eddy
simulation with the objective of investigating the sensitivity of including different heat loss …

Study of flame stabilization in a swirling combustor using a new flamelet formulation

C Duwig, L Fuchs - Combustion science and technology, 2005 - Taylor & Francis
The dynamics in a swirl-stabilized flame is studied using large eddy simulation (LES). We
account for the effect of turbulence on the flame through a model based on a filtered flamelet …