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Riblet4Wind

Riblet-Surfaces for Improvement of Efficiency of Wind Turbines

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

Riblet4Wind project word cloud

Explore the words cloud of the Riblet4Wind project. It provides you a very rough idea of what is the project "Riblet4Wind" about.

aeronautics noise levelised amount effect agenda stall emissions directions 2028 offshore 10 substantial interaction riblet structure demonstrating riblet4wind until capability reference grid earlier successful experiments demonstrated 20 facility semi industry functional turbulence rotor ratio respectively operation significantly strategy coating direct deployment retrofitting lce3 options electrical wtg sra capacity indirect reveal declared drag gusts strategic optimum total energy gaining smaller lower efficiency approximately turbines coatings blades 6 platform maximising proven lift tunnel cut 2008 supporting market paint 2014 changing transfer speeds 50 quantitative benefit lcoe balance onshore improves tpwind mds wind loads

Project "Riblet4Wind" data sheet

The following table provides information about the project.

Coordinator	FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. Organization address address: HANSASTRASSE 27C city: MUNCHEN postcode: 80686 website: www.fraunhofer.de 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	Germany [DE]
Project website	http://www.riblet4wind.eu
Total cost	4˙031˙852 €
EC max contribution	3˙307˙171 € (82%)
Programme	1. H2020-EU.3.3.2.4. (Develop geothermal, hydro, marine and other renewable energy options) 2. H2020-EU.3.3.2.2. (Develop efficient, reliable and cost-competitive solar energy systems) 3. H2020-EU.3.3.2.1. (Develop the full potential of wind energy)
Code Call	H2020-LCE-2014-2
Funding Scheme	IA
Starting year	2015
Duration (year-month-day)	from 2015-06-01 to 2019-02-28

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. Organization address address: HANSASTRASSE 27C city: MUNCHEN postcode: 80686 website: www.fraunhofer.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (MUNCHEN)	coordinator	1˙118˙250.00
2	ELTRONIC A/S ELTRONIC A/S Organization address address: SPETTRUPVEJ 7A city: HEDENSTED postcode: 8722 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.	DK (HEDENSTED)	participant	522˙812.00
3	UNIVERSITAT DE BARCELONA UNIVERSITAT DE BARCELONA Organization address address: GRAN VIA DE LES CORTS CATALANES 585 city: BARCELONA postcode: 8007 website: http://www.ub.es contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	ES (BARCELONA)	participant	498˙000.00
4	MUEHLHAN A/S MUEHLHAN A/S Organization address address: NYVANG 16 2ND FLOOR city: MIDDELFART postcode: 5500 website: www.muehlhan.dk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DK (MIDDELFART)	participant	453˙372.00
5	BIONIC SURFACE TECHNOLOGIES GMBH BIONIC SURFACE TECHNOLOGIES GMBH Organization address address: LIEBENAUER HAUPTSTRASSE 2-6 city: GRAZ postcode: 8041 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.	AT (GRAZ)	participant	359˙136.00
6	MANKIEWICZ GEBR. & CO. GMBH & CO KG MANKIEWICZ GEBR. & CO. GMBH & CO KG Organization address address: GEORG WILHELM STR 189 city: HAMBURG postcode: 21107 website: www.mankiewicz.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (HAMBURG)	participant	216˙475.00
7	E.ON CLIMATE & RENEWABLES UK LIMITED E.ON CLIMATE & RENEWABLES UK LIMITED Organization address address: WESTWOOD WAY WESTWOOD BUSINESS PARK city: COVENTRY WEST MIDLANDS postcode: CV4 8LG website: www.eon-uk.com contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (COVENTRY WEST MIDLANDS)	participant	139˙125.00

Map

Project objective

The main objective of Riblet4Wind is the transfer of a technology that has already demonstrated its capacity for increasing the energy efficiency in the aeronautics sector, to the wind energy industry.

Application of functional coatings with riblet structure will improve the drag to lift ratio of rotor blades significantly. Wind tunnel experiments have proven the capability of this riblet-coating technology to increase the efficiency of wind turbines by up to 6%.

This direct effect will allow gaining the same amount of electrical energy with smaller rotor blades. Indirect effects will increase the benefit to approximately more than 10%:

• The improved drag to lift ratio will allow operation at lower wind speeds. The earlier cut-in of the WTG will improve the facility to balance in the electrical grid system.

• The riblet structure improves the stall and turbulence behaviour of the rotor blades thus allowing also operation at higher wind speeds and/or operation in less optimum wind conditions, e.g. changing wind directions or gusts.

• The improved drag to lift ratio will reveal design options due to changes of the design loads.

• The riblet structure will also result in a substantial reduction of noise emissions.

It is expected that the interaction of direct and indirect effects will contribute significantly to the targets of the European Wind Energy Technology Platform (TPWind) as declared in the new Strategic Research Agenda / Market Deployment Strategy (SRA / MDS) : a reduction of levelised costs of energy (LCoE) by 20% (onshore) respectively 50% (offshore) until 2028 (LCoE reference 2008).

Beyond the focus of the topic H2020-LCE3-2014 the riblet-paint technology can also be applied on existing rotor blades, thus supporting retrofitting of existing wind turbines and maximising the benefit.

In total Riblet4Wind aims at demonstrating the successful transfer of the riblet-coating technology and the semi-quantitative assessment of the direct and indirect effects.

Deliverables

List of deliverables.
Final Dissemination and Exploitation plan and achieved D&E results	Documents, reports	2020-01-20 14:57:11
Expected impact on performance	Documents, reports	2020-01-20 14:57:11
Test of application technique on mock-up	Documents, reports	2020-01-20 14:57:11
Performance investigation completed	Documents, reports	2020-01-20 14:57:11
Coated rotor blades and basic process design for the coating process	Demonstrators, pilots, prototypes	2020-01-20 14:57:11
Application mould material defined	Documents, reports	2020-01-20 14:57:11
Coated rotor blades mounted	Demonstrators, pilots, prototypes	2020-01-20 14:57:11
Selection of technology in a benchmark by performance evaluation	Documents, reports	2020-01-20 14:57:11
Disposable slot die	Demonstrators, pilots, prototypes	2020-01-20 14:57:11
Lacquer material for application trials and rotorblade coating available	Demonstrators, pilots, prototypes	2020-01-20 14:57:11
Preliminary Dissemination and Exploitation plan	Documents, reports	2020-01-20 14:57:11
Final report on requirements	Documents, reports	2020-01-20 14:57:11

Take a look to the deliverables list in detail: detailed list of Riblet4Wind deliverables.

Publications

List of publications.
year	authors and title	journal	last update
2016	Heinrich Kordy Process abilities of the riblet-coating process with dual-cure lacquers published pages: , ISSN: 1755-5817, DOI: 10.1016/j.cirpj.2015.08.003	CIRP Journal of Manufacturing Science and Technology	2020-01-20

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The information about "RIBLET4WIND" are provided by the European Opendata Portal: CORDIS opendata.

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