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Sonaca WING flap process Development

Project description

Reducing flap weight in large passenger aircraft

The role of the laminar flow in aircraft wings is important as it reduces friction resistance. There are methods for laminar flow control on wings but they do not meet the structural and economic demands of the market. The EU-funded SWING project will develop an advanced solution to reduce the weight of the flap in large passenger aircraft and contribute to aerodynamics amelioration. It will be based on the hybrid laminar flow concept, which offers more complexity in the shape of the wings. In addition, it will develop a profitable and efficient process for manufacturing flaps. SWING aims to overcome several challenges on the technical level by developing an in situ consolidation thermoplastic process.

Objective

SWING project aims to develop a material/process/design solution for a shielding flap for hybrid laminar flow control on wings of large passenger aircraft. The project target is to develop an In Situ Consolidation thermoplastic process to outperform existing process in terms of structural and economic performance. Indeed, Hybrid Laminar Flow Concept will lead to more complexity in the structure of the wings and their accessories, and therefore an efficient process to manufacture flaps are needed to enable implementation of such system with an acceptable cost.

From a technical point of view, several challenges stay on the development road :
• Selection of a thermoplastic composite pre-impregnated tape that fulfil both the design, the process and the economic requirement.
• Process parameter control strategy to guarantee in situ consolidation of composite with the nominal performance of the material for the targeted complex geometry
• Efficiency of tape laying to match with the economic equation. Efficiency includes the maximum laying speed and the gestion of start and stop (loss of time, scraps…)
• Assembly solution to create a closed wing section that include the ribs and possibly other reinforcement (for mechanical fastening, at trailing edge….).

SWING aims at overcoming these challenges with significative achievement to allow the integration of the thermoplastic flap in demonstrator wings of hybrid laminar flow control. The Krueger flap develop inside the project will impact the CO2 emissions of the Large Passenger Aircraft demonstrator through two ways : by reducing the weight of the flap thus the fuel consumption and by allowing aerodynamics optimization.

Fields of science (EuroSciVoc)

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Topic(s)

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Funding Scheme

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IA - Innovation action

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-CS2-CFP09-2018-02

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Coordinator

CENTRE TECHNIQUE DES INDUSTRIES MECANIQUES
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 407 362,50
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 456 400,00

Participants (3)

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