Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Timothy, J Collins"'
Autor:
William, T Trickey, Valeri, N Goncharov, Igor, V Igumenschev, Timothy, J Collins, Christophe, Dorrer, Russell, K Follett, Michael, J Rosenberg, Nathaniel, R Shaffer, Rahul, C Shah, Alexander, Shvydky, Wolfgang, R Theobald, Atzeni, Stefano, Barbato, Francesco, Savino, Lorenzo, Mike, Campbell
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3686::c44422182d17d02527a402bcaba7864f
https://hdl.handle.net/11573/1683029
https://hdl.handle.net/11573/1683029
Autor:
Igor, Igumenshchev, Valeri, N. Goncharov, Edward, M. Campbell, Timothy, J. Collins, Michael, J. Rosenberg, Nathaniel, Shaffer, Wolfgang, R. Theobald, William, T. Trickey, Rahul, C. Shah, Alex, Shvydky, Arnaud, Colaitis, Stefano Atzeni, LORENZO SAVINO
Publikováno v:
Sapienza Università di Roma-IRIS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::62f712c819a27341a95068adba56253a
http://hdl.handle.net/11573/1642841
http://hdl.handle.net/11573/1642841
Autor:
Herbert D. Thomas, Mike Gernhardt, Michelle A. Rucker, Tara P. Polsgrove, Walter Stephens, Patrick D. Dees, Matthew R. Zwack, Timothy J. Collins
Publikováno v:
2017 IEEE Aerospace Conference.
The total ascent vehicle mass drives performance requirements for the Mars descent systems and the Earth to Mars transportation elements. Minimizing Mars Ascent Vehicle (MAV) mass is a priority and minimizing the crew cabin size and mass is one way t
Autor:
Herbert D. Thomas, Timothy J. Collins, Jamshid A. Samareh, Alicia Dwyer Cianciolo, Tara P. Polsgrove
Publikováno v:
2017 IEEE Aerospace Conference.
Landing humans on Mars is one of NASA's long term goals. NASA's Evolvable Mars Campaign (EMC) is focused on evaluating architectural trade options to define the capabilities and elements needed to sustain human presence on the surface of Mars. The EM
Publikováno v:
2017 IEEE Aerospace Conference.
Human missions to Mars, particularly to the Martian surface, are grand endeavors that place extensive demands on ground infrastructure, launch capabilities, and mission systems. The interplay of capabilities and limitations among these areas can have
Autor:
Jack Chapman, Timothy J. Collins, Glenn Rakow, Leo Fabisinski, Tara Polsgrove, Alicia Dwyer Cianciolo, Brian Taylor, Bill Studak, Sharada Vitalpur, Allan Y. Lee, Steve Sutherlin, Jamshid A. Samareh, Edward A. Robertson
Publikováno v:
2016 IEEE Aerospace Conference.
Landing humans on Mars will require entry, descent, and landing capability beyond the current state of the art. Nearly twenty times more delivered payload and an order of magnitude improvement in precision landing capability will be necessary. To bet
Publikováno v:
Journal of Spacecraft and Rockets. 36:788-803
The new Space Shuttle superlightweight external fuel tank e ew for the e rst time on 2 June 1998 (Space Transportation System-mission 91 ). We present results of elastic linear-bifurcation buckling and nonlinear analyses of one of its major component
Publikováno v:
Journal of Spacecraft and Rockets. 36:820-827
Results of linear-bifurcation and nonlinear analyses of the Space Shuttle superlightweight (SLWT) external liquid-oxygen (LO2) tank for an important early booster ascent loading condition are presented. These results for thin-walled linear elastic sh
Publikováno v:
Journal of Spacecraft and Rockets. 36:812-819
Results of linear-bifurcation buckling and nonlinear analyses of the Space Shuttle superlightweight external liquid-oxygen tank are presented for an important prelaunch loading condition. These results show the effects of actual, measured welding-ind
Publikováno v:
Journal of Spacecraft and Rockets. 36:828-835
Results of elastic, linear-bifurcation buckling and nonlinear analyses of the new Space Shuttle superlightweight external liquid-oxygen tank are presented for an important end-of-e ight loading condition. These results illustrate an important type of