Zobrazeno 1 - 10
of 63
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68251f7a400c551ff58abe676424b467
https://doi.org/10.1109/aero.2017.7943583
https://doi.org/10.1109/aero.2017.7943583
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d00671517e59c362dc6d7b5236d88f4b
https://doi.org/10.1109/aero.2017.7943887
https://doi.org/10.1109/aero.2017.7943887
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fb2316c032930e4316258a595b022ec
https://doi.org/10.1109/aero.2017.7943833
https://doi.org/10.1109/aero.2017.7943833
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f51868e77aed1555e993e802fd9c8909
https://doi.org/10.1109/aero.2016.7500778
https://doi.org/10.1109/aero.2016.7500778
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9894985fd5f96e96c2cbff89107a9ca
https://doi.org/10.2514/2.3517
https://doi.org/10.2514/2.3517
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20c6c3f9021f5df28b5f2009264ce0f7
https://doi.org/10.2514/2.3520
https://doi.org/10.2514/2.3520
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28265bb719d7b61e07d4bf94ef675581
https://doi.org/10.2514/2.3519
https://doi.org/10.2514/2.3519
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeb97a30212213c4b9ee17f859cd8276
https://doi.org/10.2514/2.3521
https://doi.org/10.2514/2.3521