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TRIMIS

Buffet Control of Transonic Wings

Project

BUCOLIC - Buffet Control of Transonic Wings


Funding origin:
European
European Union
STRIA Roadmaps:
Vehicle design and manufacturing (VDM)
Vehicle design and manufacturing
Transport mode:
Airborne
Airbone
Transport sectors:
Passenger transport
Passenger transport
Freight transport
Freight transport
Duration:
Start date: 01/10/2013,
End date: 01/06/2015

Status: Finished
Funding details:
Total cost:
€1 269 375
EU Contribution:
€952 031

Overview

Objectives:

The aim of this work programme was to develop a capability to understand and predict transonic buffet on wings fitted with buffet control devices. Wind tunnel tests were performed on a half model with buffet control devices fitted to measure dynamic flow characteristics during buffet onset.

Unsteady RANS and DES CFD calculations were carried out, validated against the wind tunnel data. The CFD calculations were then used to develop an improved understanding of transonic wing buffet. An industrialised computational method was developed to enable buffet prediction to be carried out whilst designing wings with buffet control devices fitted.

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