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ALVAR

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Advance Laminar Flow Control with Variable Porosity

Laminar Flow Control by means of a suction system appears to be one of the most promising technologies to significantly reduce the pollutant emission of modern large transport aircraft through drag reduction. The consortium, compo... ver más

31/05/2022

TECHNISCHE UNIVERS...

794K€

Presupuesto del proyecto: 794K€

Líder del proyecto

TECHNISCHE UNIVERSITAET BRAUNSCHWEIG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-05-31

JTI-CS2-2019-CFP10-AIR-01-43: Verification of advanced simplified...

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Cerrada hace 5 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

2 Participantes

TECHNISCHE UNIVERSITAET BRAU...

258.50K€ | Lider

STICHTING GERMAN-DUTCH WIND...

535.63K€ | Participante

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Duración del proyecto: 26 meses Fecha Inicio: 2020-03-30
Fecha Fin: 2022-05-31

Líder del proyecto

TECHNISCHE UNIVERSITAET BRAUNSCHWEIG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 794K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Laminar Flow Control by means of a suction system appears to be one of the most promising technologies to significantly reduce the pollutant emission of modern large transport aircraft through drag reduction. The consortium, composed of a renowned University (TUBS) and world leading wind tunnel provider DNW, will perform high-quality large-scale wind tunnel tests with a full-scale vertical tail plane equipped with a hybrid laminar flow control (HLFC) system, which is based on the tailored skin single duct (TSSD) concept. The DNW-LLF is one of the world’s largest low speed facilities and offers unique capabilities for wind tunnel tests with large scale models at representative flow conditions. The framework provided for by ALVAR includes state-of-the-art data acquisition, aerodynamic data, lift, drag, static pressure distributions, transition location with infrared and hot films, and the extremely high flow quality of the LLF 8x6 m test section configuration. One of the root problems in wind tunnel tests with hybrid laminar flow control is that it is technically unfeasible to actually measure the local suction flow rate over individual surface areas, but only the overall suction flow rate including a number of additional values, such as pressures at certain locations, is feasible. However, the local flow rate can be post processed based on a complex measurement chain, employing data mappings (e.g. calibration of the suction skin) and interpolation/extrapolation schemes. This makes the local flow rate prone to the propagation of uncertainties and errors. ALVAR will therefore provide a scientific analysis of the whole measurement chain to establish a precise uncertainty of the local flow rate. Based on this, and through analysis, the design, optimization and implementation of the main mass flow meter including a proven pumping system to provide stable suction rates a comprehensive quantification of boundary layer suction will be performed by ALVAR.

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