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M. Capellaro, Good News for Wind Energy, EWEC2009 CB4: How local benefits foster public acceptance of wind energy 1 Good News for Wind Energy The Racing.

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Presentation on theme: "M. Capellaro, Good News for Wind Energy, EWEC2009 CB4: How local benefits foster public acceptance of wind energy 1 Good News for Wind Energy The Racing."— Presentation transcript:

1 M. Capellaro, Good News for Wind Energy, EWEC2009 CB4: How local benefits foster public acceptance of wind energy 1 Good News for Wind Energy The Racing Aeolus contest, the Inventus vehicle and the public acceptance of wind turbines Mark Capellaro 1, Alexander Miller 1, Tobias Klaus 1, Jan Lehmann 1, Sylvia Scheper 2, L.G.J. Janssen 3, Martin Kühn 1 1 Endowed Chair of Wind Energy, University of Stuttgart, Germany 2 Association of Technology Transfer-Noord Holland(ATO),Den Helder, NL 3 Energy Research Center of the Netherlands (ECN), Petten, NL Photo: N Hoppe

2 2 M. Capellaro, Good News for Wind Energy, EWEC2009 Presentation Contents Racing Aeolus – the contest Universität Stuttgart and the Inventus wind vehicle –Design, Manufacture, Testing PR and sponsors (Stuttgart) Race Day! The race in Den Helder –Problems, results, winners... Results and conclusions

3 3 M. Capellaro, Good News for Wind Energy, EWEC2009 Public Acceptance: Difference between cute and not cute Public Acceptance: make things less scary. Acceptable, adorable and good PR Same animal, scaled up.

4 4 M. Capellaro, Good News for Wind Energy, EWEC2009 Racing Aeolus and the ATO (Associatie Technologie Overdracht) Racing Aeolus Contest Race a land vehicle, powered by the wind, directly into the wind Promotion Event for the North Holland Province, Den Helder, NL Race announced summer 2007 Websites: Den Helder, next stop, the Shetland Islands Held the same time as the Tall Ships Race (~300,000 visitors) Photo: N Hoppe Photo: E. Weßbecher

5 5 M. Capellaro, Good News for Wind Energy, EWEC2009 Racing Aeolus Six teams entered the contest Most important rules: –Power storage devices to be empty at the start. –Dimensions Max Height: 3.5m Max Length: 4 Max Width: 2m –Rotor safety mesh –Multiple brakes Rotor brake (failsafe) Wheel brakes Regulations determined the design envelope Inventus Early Design Study

6 6 M. Capellaro, Good News for Wind Energy, EWEC2009 Racing Aeolus Contestants 1 Zephyros Entry from CRES, the Centre for Renewable Energy Sources, Greece Photos: N Mittelmeier ECN Impulse Entry from ECN, the Energy Research Center for the Netherlands * winDTUrbineRacer Entry from Risoe and the DTU, the Danish Technical University

7 7 M. Capellaro, Good News for Wind Energy, EWEC2009 Racing Aeolus Contestants 2 University of Applied Science Flensburg, Germany Photos: S Scheper Baltic Thunder University of Applied Science Kiel, Germany

8 8 M. Capellaro, Good News for Wind Energy, EWEC2009 Universität Stuttgart SWE Inventus Team Inventus Stuttgart entered early Design starts late 2007 Two student masters project Third team member for PR, sponsors, promotion The design process brought in many interested students Hands-on project utilizing their analytical skills and the IFB composite workshop Many willing hands Photo: T. Klaus

9 9 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus Design and Manufacture The IFB Laboratory has all the facilities to build the fiber composite components. The design was guided by the manufacturing capabilities at the IFB and the regulations from the Racing Aeolus organization. Photos: A Miller Braiding the frame Braiding technique Photo: T. Klaus

10 10 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus Design and Manufacture The decision was made to create a standard turbine but surround it with a diffusor to maximize the incoming wind. Photo: J. Graf The blades were designed in-house and designed to drive a wind auto (minimize thrust and maximize power). Photos: A. Miller Pitch control, just like a commercial turbine Photos: T. Klaus Photo: J. Graf Photo: A. Miller Photo: T. Klaus Photo: A. Miller

11 11 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus Design and Testing The Universität Stuttgart Institute for Aerodynamics and Gas Dynamics has a 6m diameter wind canal. This allowed us to test the Inventus rotor and vehicle on campus. A donated glider hull improved the aerodynamic results. Photo: J. Graf Photos: A. Miller Source: N. Mittelmeier, T. Klaus Photo: N. Mittelmeier

12 12 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus PR The PR team was very pro-active. First press conference before a design was finalized Land of Ideas prize was held on the Universitys annual Day of Science. Many interested visitors Interest grew as the race approached.

13 13 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus and the Press

14 14 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus Sponsors The press attention helped us gain support. Local suppliers helped out with discounts, know-how, advice (and the ability to suspend their disbelief). Other support came as training, design tips and ideas and funding.

15 15 M. Capellaro, Good News for Wind Energy, EWEC2009 The Race - Racing Aeolus – Den Helder, NL

16 16 M. Capellaro, Good News for Wind Energy, EWEC2009 The Race - Racing Aeolus – Den Helder, NL The race: two teams at a time and against one another and the clock. However technical/design difficulties eliminated some competitors. The teams that did manage to run also experienced (repeated) failures. (Prototype vehicles, steep learning curve.) Photos: N Hoppe Repair: Hands on student project! Collapsed bicycle cassette gear. Too much power!

17 17 M. Capellaro, Good News for Wind Energy, EWEC2009 Results - Racing Aeolus The race schedule was modified due to technical difficulties 10 heats were run between the (race ready) vehicles. With the repairs came improvements, most vehicles improved in speed and reliability. (This is a good sign for next year.) Overall winner was Inventus Uni Stuttgart with a topic speed ratio of 65% of the wind speed (~20 km/h) (3min 13 seconds over 1km against an average wind of 8.8ms (32km/h)) Photos: N Hoppe

18 18 M. Capellaro, Good News for Wind Energy, EWEC2009 Conclusions: Public Acceptance and Wind Energy Lessons from the race Local teams drive local interest. The spectators were very interested in the mechanics. Small scale allowed people to see the basics of wind power. Lessons from the project Great student project (see poster No. 35!) Local companies very supportive of project. People are more supportive of technology when they understand it (and benefit from it)

19 19 M. Capellaro, Good News for Wind Energy, EWEC2009 Inventus, Aeolus & the next race Racing Aeolus 2009 is the week of August 2009 Open to all! –(No annoying Tall Ships Race to distract!) Great opportunity to interest local companies, universities, students in a hands-on project. Promotes wind energy, demonstrates the technology on a human scale. Looking 1.forward to next year 2.for sponsors 3.towards the next rain storm Team Inventus (Blue) ECN Impulse (Yellow)

20 20 M. Capellaro, Good News for Wind Energy, EWEC2009 Team InVentus Endowed Chair of Wind Energy Allmandring 5B Stuttgart – Vaihingen Tel / with thanks to Susi Mathias Peter Jonas Eva Wolfgang Florian Jochen Frank Merchat Niko Martin Kühn Katharina Jochen Graf Andreas Rettenmeier IFB SWE IAG ITLR


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