FLOCOSYS

Efficient System for Flow Control Actuation

Coordinatore	TECHNISCHE UNIVERSITAT BERLIN    more  Organization address address: STRASSE DES 17 JUNI 135 city: BERLIN postcode: 10623 contact info Titolo: Ms. Nome: Silke Cognome: Hoenert Email: send email Telefono: 493031000000 Fax: 493031000000
Nazionalità Coordinatore	Germany [DE]
Totale costo	60˙600 €
EC contributo	45˙450 €
Programma	FP7-JTI Specific Programme "Cooperation": Joint Technology Initiatives
Code Call	SP1-JTI-CS-2010-01
Funding Scheme	JTI-CS
Anno di inizio	2011
Periodo (anno-mese-giorno)	2011-02-01   -   2012-12-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	TECHNISCHE UNIVERSITAT BERLIN  Organization address address: STRASSE DES 17 JUNI 135 city: BERLIN postcode: 10623 contact info Titolo: Ms. Nome: Silke Cognome: Hoenert Email: send email Telefono: 493031000000 Fax: 493031000000	DE (BERLIN)	coordinator	45˙450.00

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 Obiettivo del progetto (Objective)

Flap systems are highly efficient lift providing elements in low speed flight. A potential measure to shift the stall onset to higher limits can be found in an Active Flow Control (AFC) approach by pulsed blowing. The majority of corresponding research aims at understanding the aerodynamic phenomenon allowing broad bandwidth investigations to find optimum configurations. In this proposal the systems aspects are addressed with respect to the active flow control actuator system. The overall system integration will be performed by the SFWA partner EADS-IW with support provided by TUB through this project.

Introduzione (Teaser)

Scientists developed and tested novel technology for the active control of aircraft using pulsed jets of compressed air. The system actuator has no electrical or moving parts, and promises robust and effective modulation.

Descrizione progetto (Article)

Active flow control (AFC) systems for the aerospace sector, as their name implies, actively control the flow of air over or around an aircraft component to improve efficiency or performance. AFC of flap systems using pulsed blowing can potentially shift stall onset. Scientists initiated the EU-funded project 'Efficient system for flow control actuation' (FLOCOSYS) to equip real-scale aircraft with AFC technology, including the actuator system and compressed air generator, distributor and conditioner system.

Actuators are basically transducers, changing an input signal that is often electrical in nature into an output signal that is often mechanical. FLOCOSYS used a novel actuator core with no moving or electrical parts (flueric), relying only on a supply of pressurised air. Developed by the scientists in a previous research project, this was integrated into the AFC architecture and the system was subjected to extensive and successful ground tests simulating various critical scenarios.

The flueric actuator is extremely robust and experiments demonstrated that the AFC system incorporating it is capable of very good flow control. Scientists have advanced understanding of AFC for civil aircraft and expect certification of the actuator to follow shortly. Active control of flow over aircraft components is an important and effective way to decrease turbulence, increase stability and enhance safety, and FLOCOSYS has delivered a reliable and effective way to achieve it.