Zobrazeno 1 - 10
of 20
pro vyhledávání: '"R. L. Poeschel"'
Publikováno v:
Journal of Propulsion and Power. 5:438-444
This paper describes an integrated xenon ion propulsion subsystem designed to perform 10 years of northsouth stationkeeping for 2500-kg-class geosynchronous communications satellites. The propulsion subsystem comprises a 25-cm-diam thruster, a power
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16bf88a0dd591df9e3b8bb63b2f3e60f
https://doi.org/10.2514/3.23174
https://doi.org/10.2514/3.23174
Publikováno v:
Journal of Spacecraft and Rockets. 7:416-421
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43c248aac75e9ffd25ae245503763b1b
https://doi.org/10.2514/3.29956
https://doi.org/10.2514/3.29956
Publikováno v:
Journal of Spacecraft and Rockets. 7:26-30
Kaufman thrustor performance dependence on transmission of ion extraction optics and magnetic field shape
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::526d7171e008d05f6fb08649fd7568b4
https://doi.org/10.2514/3.29858
https://doi.org/10.2514/3.29858
Autor:
R. L. Poeschel, C. R. Collett
Publikováno v:
12th International Electric Propulsion Conference.
This paper describes a 10,000 hour test of the first engineering model of the 30-cm ion thruster which is expected to form the basis of future prime propulsion systems. This test demonstrated the lifetime capability of such critical components as cat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8f9556cf2a764ab424758260296b8a5
https://doi.org/10.2514/6.1976-1019
https://doi.org/10.2514/6.1976-1019
Publikováno v:
15th International Electric Propulsion.
The technology development of the 30-cm J-series mercury ion thruster for prime propulsion application in solar electric propulsion systems has been conducted at NASA-Lewis Research Center. This development included the fabrication and testing of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90f357759ab5a2bcfba7163c939e4370
https://doi.org/10.2514/6.1981-715
https://doi.org/10.2514/6.1981-715
Publikováno v:
13th International Electric Propulsion Conference.
Two 30-cm ion thruster technology areas are investigated in support of the extended-performance thruster operation required for the Halley's comet rendezvous mission. These areas include an evaluation of the thruster performance and lifetime characte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbadcc1e77e35503908070e330f3556f
https://doi.org/10.2514/6.1978-666
https://doi.org/10.2514/6.1978-666
Autor:
R. L. Poeschel
Publikováno v:
12th International Electric Propulsion Conference.
The ion optics electrodes of low specific impulse (3000 sec) mercury electron bombardment ion thrusters are vulnerable to short circuits by virtue of their relatively small interelectrode spacing (0.5 mm). Metallic flakes from backsputtered deposits
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7be859a8157486d775c66efd6567d8d5
https://doi.org/10.2514/6.1976-1031
https://doi.org/10.2514/6.1976-1031
Publikováno v:
International Electric Propulsion Conference.
This paper describes an integrated xenon ion propulsion subsystem designed to perform 10 years of northsouth stationkeeping for 2500-kg-class geosynchronous communications satellites. The propulsion subsystem comprises a 25-cm-diam thruster, a power
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f1dd606476fe59879816c535ffbd065
https://doi.org/10.2514/6.1985-2012
https://doi.org/10.2514/6.1985-2012
Publikováno v:
13th International Electric Propulsion Conference.
A thrust system design has been established for an extended performance technology, 6.4 kW, 4800 sec specific impulse ion thruster. The configuration is comprised of ten thrusters configured with a power management and control subsystem in a modular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d23620f4c667f45ff1a1f3c41de0ad54
https://doi.org/10.2514/6.1978-643
https://doi.org/10.2514/6.1978-643
Autor:
R. P. Vahrenkamp, R. L. Poeschel
Publikováno v:
11th Electric Propulsion Conference.
A 30 cm thruster representative of the engineering model design has been tested over a wide range of operating parameters to document performance characteristics such as electrical and propellant efficiencies, double ion and beam divergence thrust lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d66d196cb4cbf7dddb99fb906f4f4e8
https://doi.org/10.2514/6.1975-342
https://doi.org/10.2514/6.1975-342