Book(print)#12000
Servizi anagrafici e stato civile: problemi, casi pratici e giurisprudenza, sent. 500-99 ; aggiornato con il Testo unico sull'ordinamento degli enti locali
In: Cosa & come., Enti locali 80
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Open Access#22011
Electric Solar Wind Sail in tailwind
Janhunen, Pekka; Merikallio, Sini; Toivanen, Petri; Polkko, Jouni; Haeggström, Edward; Seppänen, Henri; Kurppa, Ristp; Ukkonen, Jukka
Janhunen, Pekka; Merikallio, Sini; Toivanen, Petri; Polkko, Jouni; Haeggström, Edward; Seppänen, Henri; Kurppa, Ristp; Ukkonen, Jukka; Ylitalo, Tuomo; Kiprich, Sergiy; Koivisto, Hannu; Kalvas, Taneli; Tarvainen, Olli; Kauppinen, Janne; Thornell, Greger; Kratz, Henrik; Sundqvist, Johan; Grönland, Tor-Arne; Johansson, Håkan; Rangsten, Pelle; Vinterhav, Emil; Noorma, Mart; Envall, Jouni; Lätt, Silver; Allik, Viljo; Voormansik, Kaupo; Kvell, Urmas; Lebreton, Jean-Pierre; Hallikainen, Martti; Praks, Jaan; Krömer, Olaf; Rosta, Roland; Salminen, Pekka; Mengali, Giovanni; Quarta, Alessandro; Aliasi, Generoso; Marcuccio, Salvo; Pergola, Pierpaolo; Giusti, Nicola
The Electric Solar Wind Sail (E-sail) is a novelpropulsion concept that enables faster space travel tomany solar system targets. E-sail uses charged solarwind particles as the source of its propulsion. This isachieved by deploying long, conducting and chargedtethers, which get pushed by the solar wind byCoulomb drag [1].E-sail technology is being developed to technicalreadiness level (TRL) 4-5 by the European Union'sSeventh Framework Programme for Research andTechnological Development, EU FP7, in a projectnamed ESAIL (http://www.electric-sailing.fi/fp7).Prototypes of the key parts are to be produced. Thedesign will be scalable so that a real solar winddemonstration mission could be scaled up from them.We review here the latest results of the constantlyevolving E-sail project.
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