Zobrazeno 1 - 10
of 15
pro vyhledávání: '"David Q. King"'
Autor:
Nathan P. Brown, Jason D. Frieman, Connie Y. Liu, David Q. King, Vadim Khayms, Thomas M. Liu, Mitchell L. R. Walker
Publikováno v:
Journal of Propulsion and Power. 34:600-613
The impact of propellant species on the role of the conductive vacuum chamber wall in the discharge circuit of the 200 W T-40 Hall effect thruster is experimentally investigated using xenon and kry...
Autor:
David Q. King, Jonathan A. Walker, Samuel Langendorf, Mitchell L. R. Walker, Peter Pertson, Vadim Khayms
Publikováno v:
Journal of Propulsion and Power. 32:1365-1377
A nonnegligible fraction of the charged particles in the Hall current thruster plume completes the electrical circuit through the conductive wall of a ground-based vacuum test facility. The resultant electrical circuit is different from the electrica
Autor:
Mitchell L. R. Walker, Jason D. Frieman, David Q. King, Vadim Khayms, Jonathan A. Walker, Peter Y. Peterson
Publikováno v:
Journal of Propulsion and Power. 32:844-855
The physical mechanisms that govern the electrical interaction between the Hall-effect-thruster electrical circuit and the conductive vacuum-facility walls are not fully understood. As a representative test bed, an Aerojet Rocketdyne T-140 Hall-effec
Autor:
Nathan P. Brown, Thomas M. Liu, David Q. King, Vadim Khayms, Mitchell L. R. Walker, Connie Y. Liu, Jason D. Frieman
Publikováno v:
Journal of Propulsion and Power. 34:267-269
Publikováno v:
Journal of Propulsion and Power. 32:251-264
The impact of facility conductivity on Hall effect thruster cathode coupling is experimentally investigated. The 3.4 kW Aerojet Rocketdyne T-140 Hall effect thruster operating at a discharge voltage of 300 V, a discharge current of 10.3 A, and an ano
Publikováno v:
Journal of Propulsion and Power. 30:1471-1479
The role of the electrically conductive vacuum chamber wall in the completion of the discharge circuit of a Hall effect thruster is experimentally investigated. The Aerojet Rocketdyne T-140 laborat...
Publikováno v:
50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference.
The role of the electrically conductive vacuum chamber wall in the completion of the discharge circuit of a Hall effect thruster (HET) is experimentally investigated. The Aerojet Rocketdyne T-140 laboratory-model HET operating at a discharge voltage
Autor:
Robert J. Noble, Rashied Amini, Patricia M. Beauchamp, Gary L. Bennett, John R. Brophy, Bonnie J. Buratti, Joan Ervin, Yan R. Fernandez, Will Grundy, Mohammed Omair Khan, David Q. King, Jared Lang, Karen J. Meech, Alan Newhouse, Steven R. Oleson, George R. Schmidt, Thomas Spilker, John L. West
Today, our questions and hypotheses about the Solar System's origin have surpassed our ability to deliver scientific instruments to deep space. The moons of the outer planets, the Trojan and Centaur minor planets, the trans-Neptunian objects (TNO), a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa4779a10ce9ffdf013fbc0b36bf87e2
https://doi.org/10.2172/979959
https://doi.org/10.2172/979959
Autor:
Nicole J. Meckel, Jonathan Polaha, Jeffrey M. Monheiser, David Q. King, Fred Wilson, Randall S. Aadland, W. Andrew Hoskins
Publikováno v:
39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
Aerojet General Corporation, Redmond has significantly increased its activity in the development of manufacturable ion propulsion systems in the past 2 years. Aerojet successfully fabricated and demonstrated a 30 cm ion thruster in 1994; completed a
Autor:
Kristi H. de Grys, James E. Pollard, Vadim Khayms, Kevin D. Diamant, David Q. King, Lance Werthman
Publikováno v:
37th Joint Propulsion Conference and Exhibit.