Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Patrick A. Troutman"'
Publikováno v:
AIAA SPACE 2016.
Publikováno v:
AIAA SPACE 2015 Conference and Exposition.
NASA’s Pioneering Space Strategy aims to expand human and robotic presence further into the solar system, not just to explore and visit, but to stay. NASA’s strategy is designed to meet technical and nontechnical challenges, leverage current and
Publikováno v:
2015 IEEE Aerospace Conference.
NASA is developing a long-term strategy for achieving extended human missions to Mars in support of the policies outlined in the 2010 NASA Authorization Act and National Space Policy. The Authorization Act states that “A long term objective for hum
Publikováno v:
Journal of Guidance, Control, and Dynamics. 28:795-800
Minimum fuel circular-to-circular low-thrust orbital transfers with prescribed transfer time and with the thrust always directed parallel to the velocity vector are developed for a variable-specific-impulse system. The changeable specific impulse ser
Autor:
Hans Seywald, Daniel D. Mazanek, Frederic H. Stillwagen, Patrick A. Troutman, Carlos M. Roithmayr, Sang Young Park
Publikováno v:
The Journal of the Astronautical Sciences. 52:421-439
We review analytical formulae for low-thrust orbital transfers from a circular initial orbit to a circular target orbit and to escape, using constant thrust applied in the same direction as the velocity vector, or in the opposite direction. The formu
Autor:
Christopher J. Culbert, Patrick A. Troutman, Gary R. Spexarth, Daniel D. Mazanek, Matthew J. Leonard
Publikováno v:
2009 IEEE Aerospace conference.
The Constellation Program Architecture Team and the Lunar Surface Systems Project Office have developed an initial set of lunar surface buildup scenarios and associated polar outpost architectures, along with preliminary supporting element and system
Autor:
William Cirillo, Patrick A. Troutman, Rudolph Saucillo, Steve Cavanaugh, Chel Stromgren, Jennifer P. Keyes
Publikováno v:
11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference.
The NASA Langley Research Center (LaRC) Systems Analysis & Concepts Directorate (SACD) began studying human exploration missions beyond low Earth orbit (LEO) in the year 1999. This included participation in NASA s Decadal Planning Team (DPT), the NAS
Autor:
R. Manvi, Chris Strickland, Patrick A. Troutman, Darrell L. Caldwell, Shawn A. Krizan, Kristen Bethke, Fred Stillwagen
Publikováno v:
AIP Conference Proceedings.
This paper summarizes the content of a NASA-led study performed to identify revolutionary concepts and supporting technologies for Human Outer Planet Exploration (HOPE). Callisto, the fourth of Jupiter's Galilean moons, was chosen as the destination
Publikováno v:
AIAA Space 2001 Conference and Exposition.
Conference
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.