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CORNET SIGNED

CORE NOISE ENGINE TECHNOLOGY

Total Cost €

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EC-Contrib. €

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Partnership

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Project "CORNET" data sheet

The following table provides information about the project.

Coordinator
THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE 

Organization address
address: TRINITY LANE THE OLD SCHOOLS
city: CAMBRIDGE
postcode: CB2 1TN
website: www.cam.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website http://www.eng.cornet.cam.ac.uk
 Total cost 997˙772 €
 EC max contribution 997˙772 € (100%)
 Programme 1. H2020-EU.3.4.5.5. (ITD Engines)
 Code Call H2020-CS2-CFP01-2014-01
 Funding Scheme CS2-RIA
 Starting year 2016
 Duration (year-month-day) from 2016-03-01   to  2019-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE UK (CAMBRIDGE) coordinator 519˙988.00
2    DEUTSCHES ZENTRUM FUER LUFT - UND RAUMFAHRT EV DE (KOELN) participant 377˙783.00
3    TECHNISCHE UNIVERSITAT DARMSTADT DE (DARMSTADT) participant 100˙000.00

Map

 Project objective

Lean burn combustor technologies introduced to reduce NOx emissions are proving to be inherently noisier than conventional combustors, generating broadband noise that can be heard external to the aircraft. Without careful design and optimisation, there is a danger the low emission cores will cause the aircraft engines to exceed the Horizon 2020 noise requirement.

The research in the CORNET proposal is aimed at understanding the flow physics involved in the generation and propagation of core noise in low emission cores. It includes both the ‘direct noise’ of combustion, pressure waves generated directly by unsteadiness in the rate of combustion, and the ‘indirect noise’ generated as entropy waves accelerate through the Nozzle Guide Vanes (NGVs) at combustor exit and propagate through turbine blade rows.

Large Eddy Simulations of a combustor with a realistic engine fuel injector operating at representative engine conditions are validated through high-speed optical diagnostics applied to a high-pressure rig. The combustor modelling gives the entropy and acoustic waves incident on the NGVs. The generation of in-direct noise is predicted through unsteady high-resolution computations of the interaction of these entropy and acoustic waves within a high-pressure turbine stage. The new understanding will be captured in an advanced analytical combustion noise prediction tool that can be readily used by industry.

 Publications

year authors and title journal last update
List of publications.
2018 Zhi X. Chen, N. Anh Khoa Doan, Shaohong Ruan, Ivan Langella, N. Swaminathan
A priori investigation of subgrid correlation of mixture fraction and progress variable in partially premixed flames
published pages: 862-882, ISSN: 1364-7830, DOI: 10.1080/13647830.2018.1459862
Combustion Theory and Modelling 22/5 2020-01-22
2018 I. Langella, N. A. K. Doan, N. Swaminathan, S. B. Pope
Study of subgrid-scale velocity models for reacting and nonreacting flows
published pages: , ISSN: 2469-990X, DOI: 10.1103/physrevfluids.3.054602
Physical Review Fluids 3/5 2020-01-22

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The information about "CORNET" are provided by the European Opendata Portal: CORDIS opendata.

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