Zobrazeno 1 - 10
of 35
pro vyhledávání: '"J. M. Fife"'
Autor:
R. M. Salasovich, J. M. Fife, J. R. LeDuc, L. K. Johnson, Michael Dulligan, D. R. Bromaghim, John H. Schilling, D. C. White, Gregory G. Spanjers
Publikováno v:
Journal of Propulsion and Power. 18:723-730
The U.S. Air Force Research Laboratory’ s Electric Propulsion Space Experiment was launched and successfully operated on the Advanced Research and Global Observation Satellite, demonstrating the compatibility and readiness of high-power electric pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bf281ca113cc49f2968f27ef4d18071
https://doi.org/10.2514/2.6009
https://doi.org/10.2514/2.6009
Publikováno v:
Journal of Propulsion and Power. 18:749-753
During the Electric Propulsion Space Experiment mission, eight e rings of the 26-kW ammonia arcjet were performed. Data from onboard systems,including an accelerometerandglobal positioning system unit, are used to determine thruster performance. In a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cae1c42c8f82ef6c32e411d67950e05e
https://doi.org/10.2514/2.6028
https://doi.org/10.2514/2.6028
Autor:
Gregory G. Spanjers, J. H. Schilling, D. C. White, R. M. Salasovich, L. K. Johnson, D. R. Bromaghim, Michael Dulligan, J. R. LeDuc, J. M. Fife
Publikováno v:
Journal of Spacecraft and Rockets. 39:177-186
The U.S. Air Force Research Laboratory's Electric Propulsion Space Experiment was launched and successfully operated, demonstrating the compatibility and readiness of a 26-kW ammonia arcjet subsystem for satellite applications. The Electric Propulsio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82d9e3e440c8e3442c86985e9459035e
https://doi.org/10.2514/2.3817
https://doi.org/10.2514/2.3817
Publikováno v:
42nd AIAA Aerospace Sciences Meeting and Exhibit.
COLISEUM is an application programming interface which performs calculations of plasma propagation and interaction with arbitrary 3-D surfaces. The applications of COLISEUM are wide-ranging, but include simulating ion source configurations inside vac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33a0556f1014d44285dcb42278d62832
https://doi.org/10.2514/6.2004-154
https://doi.org/10.2514/6.2004-154
Publikováno v:
39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
A national team of researchers is developing a software system, COLISEUM, which performs calculations of plasma propagation and interaction with arbitrary 3%D surfaces. The applications of COLISEUM are wide- ranging, hut include simulating engine tes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aca3d308b5c9dc9e71bb22c9353cd9db
https://doi.org/10.2514/6.2003-4872
https://doi.org/10.2514/6.2003-4872
Autor:
Vladimir Kim, Vyacheslav Kozlov, J. M. Fife, Summer Locke, Alexander Veselovzorov, Alexander Skrylnikov
Publikováno v:
39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
This study characterizes the SPT-25 model with discharge chamber walls made of different materials, including the Russian BN-SiO2-type (BGP) ceramics and the AIN-BN-type and BN-type ceramics produced in France and in the United States, respectively.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64b4945d5001431d0373a2c652693294
https://doi.org/10.2514/6.2003-5002
https://doi.org/10.2514/6.2003-5002
Autor:
Andrew Ketsdever, J. M. Fife
Evolving military doctrine continues to impose ever-more-stressing requirements for greater range and enhanced maneuverability of miniature satellites (picosats, 1-10 kg)-, micro-unmanned air vehicles (UAVs), sensor systems, projectiles, and missiles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72ad540b4f5a96797803406d8eb69766
https://doi.org/10.21236/ada415244
https://doi.org/10.21236/ada415244
Autor:
J. M. Fife
Electric Propulsion (EP): (1) Decreases spacecraft fuel fraction; (2) Increases spacecraft capability; (3) Enables new missions. USAF has selected Hall thrusters for intensive development due to optimum I(sub sp) for many AF missions. Integration iss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92919950a9047ddbccfca633c146f9c8
https://doi.org/10.21236/ada405974
https://doi.org/10.21236/ada405974
Publikováno v:
38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
In assessing the performance characteristics of Hall-effect thrusters (RETs) and ion engines, it is important to have an accurate estimate of the propellant flow rate to the engine. The difficulty lies in accurately measuring the very low flow rates,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c43d5ebd52396b25058f6601c4981a25
https://doi.org/10.2514/6.2002-3817
https://doi.org/10.2514/6.2002-3817
Autor:
J. M. Fife, David Kirtley
Publikováno v:
38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
A concept for a colloid engine with an electrodynamic linear accelerator is described. The charged particle source is a standard colloid engine with an extractor voltage that has an AC componen.t Downstream of the extractor, a series of accelerator g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30ed15215e42628457595e3a6f7b58ee
https://doi.org/10.2514/6.2002-3811
https://doi.org/10.2514/6.2002-3811