Special Issue "Modeling and Analysis of Turbulent Premixed Combustion"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Energy and Environment".

Deadline for manuscript submissions: 31 July 2021.

Special Issue Editors

Prof. Dr. Nilanjan Chakraborty
Guest Editor
School of Engineering, Newcastle University, Newcastle-upon-Tyne NE1 7RU, UK
Interests: computational fluid dynamics (CFD); turbulent combustion; fluid turbulence; heat transfer
Special Issues and Collections in MDPI journals
Prof. Dr. Markus Klein
Guest Editor
Department of Aerospace Engineering, Bundeswehr University Munich, LRT1, Werner-Heisenberg-Weg 39, 85577 Neubiberg, Germany
Interests: computational fluid dynamics (CFD); numerical methods, turbulent combustion; fluid turbulence
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,
Modern combustion devices for power generation and propulsion purposes need to be simultaneously energy-efficient and environmentally friendly. This has increased the importance of premixed combustion, because thermal NOx formation can be controlled by homogeneously mixing fuel and oxidiser before the combustion process. In industrial applications, premixed combustion often takes place under turbulent conditions and in turbulent premixed flames; the underlying fluid turbulence is significantly affected by the thermal expansion induced by heat release from exothermic chemical reactions. This close coupling between fluid-dynamic and chemical processes poses a major challenge in the simulation and modelling of turbulent premixed combustion. These aspects become increasingly important in the presence of thermo-diffusive instability in the case of lean high hydrogen content (HHC) fuels, which are identified as being alternative fuels for power generation and propulsion. Moreover, premixed combustion in industrial applications often takes place under elevated pressures, where hydrodynamic instabilities (e.g. Darrieus–Landau instability) are more likely to occur due to a large scale separation between the integral length scale and flame thickness, and this increased scale separation for high-pressure premixed combustion also makes the sub-grid scale modelling, in the context of LES, a challenging task. These challenges are exacerbated further when hydrodynamic and thermo-diffusive instabilities interact with each other under elevated pressures. All of the aforementioned challenges make the analysis and modelling of turbulent premixed combustion a topic of significant intellectual and industrial interest. Therefore, we invite high quality original analytical, experimental and numerical contributions, and technical reviews for this Special Issue, which is expected to contribute to the analysis and modelling of turbulent premixed combustion—something which is urgently required in the interests of global challenges of energy economy and environmental safety.

Prof. Dr. Nilanjan Chakraborty
Prof. Dr. Markus Klein
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • premixed combustion
  • turbulent premixed flames
  • direct numerical simulations
  • large eddy simulations
  • experimental diagnostics

Published Papers (1 paper)

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Open AccessFeature PaperArticle
LES Analysis of CO Emissions from a High Pressure Siemens Gas Turbine Prototype Combustor at Part Load
Energies 2020, 13(21), 5751; https://doi.org/10.3390/en13215751 - 03 Nov 2020
Viewed by 456
This work contributes to the understanding of mechanisms that lead to increased carbon monoxide (CO) concentrations in gas turbine combustion systems. Large-eddy simulations (LES) of a full scale high pressure prototype Siemens gas turbine combustor at three staged part load operating conditions are [...] Read more.
This work contributes to the understanding of mechanisms that lead to increased carbon monoxide (CO) concentrations in gas turbine combustion systems. Large-eddy simulations (LES) of a full scale high pressure prototype Siemens gas turbine combustor at three staged part load operating conditions are presented, demonstrating the ability to predict carbon monoxide pollutants from a complex technical system by investigating sources of incomplete CO oxidation. Analytically reduced chemistry is applied for the accurate pollutant prediction together with the dynamic thickened flame model. LES results show that carbon monoxide emissions at the probe location are predicted in good agreement with the available test data, indicating two operating points with moderate pollutant levels and one operating point with CO concentrations below 10 ppm. Large mixture inhomogeneities are identified in the combustion chamber for all operating points. The investigation of mixture formation indicates that fuel-rich mixtures mainly emerge from the pilot stage resulting in high equivalence ratio streaks that lead to large CO levels at the combustor outlet. Flame quenching due to flame-wall-interaction are found to be of no relevance for CO in the investigated combustion chamber. Post-processing with Lagrangian tracer particles shows that cold air—from effusion cooling or stages that are not being supplied with fuel—lead to significant flame quenching, as mixtures are shifted to leaner equivalence ratios and the oxidation of CO is inhibited. Full article
(This article belongs to the Special Issue Modeling and Analysis of Turbulent Premixed Combustion)
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