Zobrazeno 1 - 10
of 15
pro vyhledávání: '"S Alta"'
Publikováno v:
47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
New propulsion technologies will be essential for t he performance enhancement and affordability improvements needed by next generation space missions. High Power Electric Propulsion could play a key role in space explorati on venture by enabling mor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1304b720e2290e74018414a42061e6f3
https://doi.org/10.2514/6.2011-5515
https://doi.org/10.2514/6.2011-5515
Publikováno v:
47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
Considered one of the enabling technologies in a flexible path for space exploration, Electric Propulsion could play a very important role in future space programmes by enabling more affordable and sustainable space-to-space missions. Under the HiPER
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6622f2a166c5770b0e5b1ff011bc7b7b
https://doi.org/10.2514/6.2011-5516
https://doi.org/10.2514/6.2011-5516
The present paper illustrates the results of an experimental campaign conducted in the CPRTF (Cavitating Pump Rotordynamic Test Facility) at ALTA S.p.A. aimed at characterizing the rotordynamic forces acting on a whirling four-bladed, tapered-hub, va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::618cc5541cb13fb1f5c7cbd93bf56d1a
http://hdl.handle.net/11568/137314
http://hdl.handle.net/11568/137314
Publikováno v:
45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
The present paper illustrates a comprehensive experimental campaign carried out in order to assess the capability of four especially-developed catalytic beds to decompose hydrogen peroxide under operational conditions representative of typical applic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9604e6de4bc252c67e5243cdc14d676
https://doi.org/10.2514/6.2009-5472
https://doi.org/10.2514/6.2009-5472
Publikováno v:
44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
The present paper illustrates the firing tests recently carried out at Alta S.p.A., Pisa, Italy, on advanced catalytic beds for hydrogen peroxide (HP) decomposition in a new monopropellant thruster prototype designed for easier adjustment and control
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f392a5ab7e960c0fdccde4e25042c59a
https://doi.org/10.2514/6.2008-4937
https://doi.org/10.2514/6.2008-4937
Publikováno v:
43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
‡The present paper describes an analytical model for the preliminary prediction of the noncavitating flow field and performance of helical inducers. The proposed model is based on the traditional troughflow theory approximations with empirical corr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bdf9a0653b70e9ab16b0e858ff2e2bd
https://doi.org/10.2514/6.2007-5514
https://doi.org/10.2514/6.2007-5514
Publikováno v:
42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
The present paper illustrates the set-up and the preliminary results of an experimental investigation of cavitation flow instabilities carried out by means of a high-speed camera on a three bladed inducer in the CPRTF (Cavitating Pump Rotordynamic Te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f120953c093dd1e847345f8513f885aa
https://doi.org/10.2514/6.2006-5067
https://doi.org/10.2514/6.2006-5067
Publikováno v:
42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
The paper deals with results from the experimental characterization of the Double-Stage Hall-effect Thruster prototype developed, under the European Space Agency sponsorship, by AASI, as prime contractor and ALTA, as AASI sub-contractor. The thruster
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6be398a3e7164c4930bfb14790d263f5
https://doi.org/10.2514/6.2006-4998
https://doi.org/10.2514/6.2006-4998
Publikováno v:
41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
A small Hall Effect Thruster (HET) unit is under development at Alta since 2003, following the identification of an interesting application niche for microsatellites. The unit has a nominal operating power with xenon of 100 W, and was designed in suc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3dcef06ca29fbd6949c82f40d709606
https://doi.org/10.2514/6.2005-3875
https://doi.org/10.2514/6.2005-3875
Autor:
Matteo Magnifico, Davide Nicolini, Giulio Simonelli, Lorenzo Serafini, S Alta, Marco Saviozzi, Luca Ceruti
Publikováno v:
40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
This paper presents the results of the first field emission thruster performance characterization test with a flight standard power control unit designed to fulfill the stringent requirements of new scientific drag-free missions. The thruster, a 5-mm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59a752ba1959334ca9ced6a06945ec47
https://doi.org/10.2514/6.2004-3803
https://doi.org/10.2514/6.2004-3803