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AvAUNT SIGNED

AdaptiVe Area nozzle for Ultra high bypass Nacelle Technology

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

AvAUNT project word cloud

Explore the words cloud of the AvAUNT project. It provides you a very rough idea of what is the project "AvAUNT" about.

cruise clean inform adaptive 10 ratio bypass losses flight nature ratios configurations interference adaptable verified demonstrator 2db overcome move simulation joint reported 2023 efficiency substantiated methodology weight performance configuration lowering expense noise ultra nacelles readiness experimental stage avaunt aan complementary margin isolated installation emissions aerodynamic surge computational ascertain mass installed flow uhbr nacelle variations additional emerge enhancement nozzle undertaking area candidate 15 complexity benefits propulsive sea fan limited incorporation sky pressure larger reductions

Project "AvAUNT" data sheet

The following table provides information about the project.

Coordinator	AIRCRAFT RESEARCH ASSOCIATION LIMITED Organization address address: MANTON LANE city: BEDFORD postcode: MK41 7PF website: www.ara.co.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.avaunt.info
Total cost	1˙781˙338 €
EC max contribution	1˙730˙320 € (97%)
Programme	1. H2020-EU.3.4.5.1. (IADP Large Passenger Aircraft)
Code Call	H2020-CS2-CFP03-2016-01
Funding Scheme	CS2-IA
Starting year	2017
Duration (year-month-day)	from 2017-04-01 to 2020-03-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	AIRCRAFT RESEARCH ASSOCIATION LIMITED AIRCRAFT RESEARCH ASSOCIATION LIMITED Organization address address: MANTON LANE city: BEDFORD postcode: MK41 7PF website: www.ara.co.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (BEDFORD)	coordinator	1˙278˙568.00
2	THE QUEEN'S UNIVERSITY OF BELFAST THE QUEEN'S UNIVERSITY OF BELFAST Organization address address: UNIVERSITY ROAD LANYON BUILDING city: BELFAST postcode: BT7 1NN website: www.qub.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.	UK (BELFAST)	participant	332˙711.00
3	ROHR AERO SERVICES LIMITED ROHR AERO SERVICES LIMITED Organization address address: 1 DOW AVENUE city: PRESTWICK postcode: KA9 2SA website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (PRESTWICK)	participant	119˙040.00

Map

Project objective

The AvAUNT proposal seeks to advance the state-of-the-art in understanding of the aerodynamic interference challenges associated with the Ultra High Bypass Ratio (UHBR) nacelle with an integrated Adaptable Area Nozzle (AAN) to Technology Readiness Level 4. The move towards higher bypass ratios can lead to significant reductions in emissions and noise; up to 10% propulsive efficiency enhancement and 2dB noise reductions from UHBR ~15 and above reported. However, by lowering fan pressure ratios, fan surge problems can emerge with increasingly larger variations in flight performance between sea-level and cruise. To overcome this, the adaptive area nozzle can provide the necessary increases in surge margin at low mass flow conditions at sea-level, but at the expense of additional system weight and complexity. While many of the potential benefits of the UHBR configuration have been substantiated for isolated nacelle configurations, there is limited understanding of the installation interference effects that will be induced at these very high/ultra high ratios, or how the incorporation of the AAN may affect the nature of these interference losses. In the current project, early stage candidate concepts for a nacelle with AAN technology will be studied through complementary experimental and computational simulation to ascertain the interference effects induced and to propose a verified modelling methodology which can be used in advance design studies. This will be used to inform best practice in the design of installed UHBR nacelles with AAN technology to support a move towards an integrated technology demonstrator within the Clean Sky 2 Joint Undertaking for late 2023.

Deliverables

List of deliverables.
PEDR - Plan for Exploitation & Dissemination of Results	Documents, reports	2020-04-24 02:16:08

Take a look to the deliverables list in detail: detailed list of AvAUNT deliverables.

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