Fundamentals of Airborne Wind Energy Systems PDF
Preview Fundamentals of Airborne Wind Energy Systems
Fundamentals of Airborne Wind Energy Systems Universidad Carlos III de Madrid Antonello Cherubini PERCRO Robotics Laboratory, Via alamanni 13b, Ghezzano, Pisa December 2017 About me Antonello Cherubini ( www.antonellocherubini.com ) 5 years experience in Wind Drones Mechanical engineer Work Experience in AWE • 2013-2017 PhD in wind drones at Sant’Anna Pisa, the finest technical university in Italy • 2012-2013 Mechanical engineer at Kitegen Research, Italian airborne wind energy company Publications in AWE • A. Cherubini, G. Moretti, M. Fontana, “Sistema aereo di captazione eolica d’altaquota per generatore eolico”, patent application • ‘Airborne Wind Energy Systems: A review of the technologies’, 2015 First google result after wikipediatyping ‘airborne wind energy’ • ‘Simplified model of offshore airbornewind energy converters’, 2015 • ‘Dynamic modeling of floating offshore airborne wind energy converters’, 2016, accepted • ‘Puleggia perfezionata per verricello ad alta efficienza’, patent applicationITTO20130365, 2013 15 December, 2017 Antonello Cherubini 2 Program • Energy and Renewable Energies, the current scenario • Introduction to Airborne Wind Energy (AWE) • Basic power rating of Airborne Wind Energy Systems (AWES) • AWES classifications and examples • Tether sag shape and angle of attack control • Power curve of AWES • Betz limit does not exist in AWES • Iterative solvers for AWES • Momentum conservation in fly-gen AWES Energy and Renewables Where are we? Energy is vital Examples: • Everything is energy: food, houses, medical drugs, clothes • Italy produces between 50 and 60% of its own wheat*, to move it we need energy • Countries who do not have access to abundant energy are third world countries * Source: http://www.ilfattoquotidiano.it/2016/07/11/produzione-grano-agricoltori-contro-industriali-si-accollino-perdite-stop- ai-prezzi-da-discount-a-causa-dellimport/2891657/ 15 December, 2017 Antonello Cherubini 5 Embodied energy SUN 9% 31% production of inorganic fertilizers 19% production/use of machinery 16% transport of food 13% irrigations (pumps etc.) 8% stock farming (feeding excluded) FOSSIL FUELS 5% drying 91% 5% production of pesticides 3% other consumptions Sources: graphical representation by Marcello Corongiu, data from: D.JC. MACKAY, Without the hot air, Cambridge University, 2000 D. COOLEY E. GOODLIFFE – J. MACDIARMIK -Embodied energy of food, Exeter University, 1998 15 December, 2017 Antonello Cherubini 6 Effects of energy availability: +250% productivity in agriculture Graphical representation by Marcello Corongiu 15 December, 2017 Antonello Cherubini 7 Effects of energy availability: urbanization Graphical representation by Marcello Corongiu 15 December, 2017 Antonello Cherubini 8 Effects of energy availability: transport Graphical representation by Marcello Corongiu 15 December, 2017 Antonello Cherubini 9 Effects of energy availability: welfare (late 19th century) Health Pensions care Free Social time mobility Graphical representation by Marcello Corongiu 15 December, 2017 Antonello Cherubini 10
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