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Development of the Lean Azimuthal Flame as an Innovative aviation gas turbine low-NOX combustion concept

Development of the Lean Azimuthal Flame as an Innovative aviation gas turbine low-NOX combustion concept

Objective

"The low-NOx potential of ""Flameless Oxidation"" (or ""MILD combustion"", as is otherwise known) has been demonstrated for industrial furnaces and gaseous-fuel flames, but it has not been explored yet for aviation gas turbines burning kerosene. In this project, the ""Lean Azimuthal Flame"" (LEAF), a new combustor design that can operate at the ""Flameless Oxidation"" mode and that has been tested for gaseous fuels so far producing very low NOx, CO, and unburnt hydrocarbons, will be developed for kerosene as an innovative low-NOx candidate combustor concept for the long-term. The work comprises tests at low and elevated pressures, development of new kinetic schemes for kerosene combustion under MILD combustions, development of experimental diagnostics and sectional models for nanoparticles so as to assess the particulate emissions of the kerosene LEAF and to increase our predictive capability, modelling by advanced combustion models (Large-Eddy Simulation with sub-grid Conditional Moment Closure supplemented with the new kinetic schemes for NOx and soot), and the construction of low-order models for emissions and thermoacoustics for the LEAF. The models can also assist the medium-term improvement of existing combustors such as those based on the RQL or LPP concepts. The consortium consists of four highly-experienced partners, with significant expertise with the LEAF, combustion in vitiated air, NOx and particulate emissions chemistry, and numerical modelling, and with emphasis on knowledge transfer to industry. The outcomes of the project can provide new options to the European aeroengine industry and can result in significanly lower NOx emissions than at present due to the unique low emissions of the ""Flameless Oxidation"" combustion mode."
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Coordinator

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

Address

Trinity Lane The Old Schools
Cb2 1tn Cambridge

United Kingdom

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 229 527,50

Participants (3)

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EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH

Switzerland

EU Contribution

€ 329 268,75

UNIVERSITA DEGLI STUDI DI NAPOLI FEDERICO II

Italy

EU Contribution

€ 225 000

IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE

United Kingdom

EU Contribution

€ 225 272,50

Project information

Grant agreement ID: 831804

Status

Ongoing project

  • Start date

    1 January 2019

  • End date

    30 June 2022

Funded under:

H2020-EU.3.4.5.10.

  • Overall budget:

    € 1 009 068,75

  • EU contribution

    € 1 009 068,75

Coordinated by:

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

United Kingdom