Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Jeanne L. Crews"'
Publikováno v:
International Journal of Impact Engineering. 17:57-68
When Orbiter Vehicles (OV) are placed in low-Earth orbit (LEO) the exposed surface is subjected to hypervelocity collision with small particles of meteoroids and man-made orbital debris (M&OD). The external shell of the orbiter is specifically design
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::552339a03d53f577fd48c7c9498b7bb4
https://doi.org/10.1016/0734-743x(95)99835-f
https://doi.org/10.1016/0734-743x(95)99835-f
Publikováno v:
International Journal of Impact Engineering. 17:205-215
Tests and analysis at the NASA Johnson Space Center (JSC) Hypervelocity Impact Test Facility, HIT-F (formerly HIRL) have been conducted to investigate the validity of using cadmium-on-cadmium (Cd on Cd) impact tests to simulate the effects of aluminu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd59e2fd52d1d0e3f7af6cd74304849d
https://doi.org/10.1016/0734-743x(95)99847-k
https://doi.org/10.1016/0734-743x(95)99847-k
Publikováno v:
International Journal of Impact Engineering. 17:217-228
An innovative, low-weight shield system has been developed by NASA Johnson Space Center (JSC) and Marshall Space Flight Center (MSFC) engineers to enhance the protection of conventional Whipple shields. This shield, the “Stuffed Whipple” shield,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90e712d1b05182d645208fbec9400a85
https://doi.org/10.1016/0734-743x(95)99848-l
https://doi.org/10.1016/0734-743x(95)99848-l
Autor:
Jeanne L. Crews, Burton G. Cour-Palais, C.A. Hall, William D. Reinhart, Mark Boslough, J.A. Ang, Eric L. Christiansen, Lalit C. Chhabildas
Publikováno v:
International Journal of Impact Engineering. 14:95-106
Experiments have been performed on NASA state-of-the-art hypervelocity impact shields using the Sandia Hypervelocity Launcher (HVL) to obtain test velocities greater than those achievable using conventional two stage light-gas sun technology. The obj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48b1db985e69aec374395f8042a1b2f5
https://doi.org/10.1016/0734-743x(93)90012-v
https://doi.org/10.1016/0734-743x(93)90012-v
Autor:
Jeanne L. Crews, Burton G. Cour-Palais
Publikováno v:
International Journal of Impact Engineering. 10:135-146
A spacecraft-shielding technique is investigated in which the geometrical configuration and material used are emphasized. Ultrathin spaced shield elements are employed to repeatedly shock the impacting projectile to a high energy state that causes me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::178e521e8a33de8d7590affcf8193fa3
https://doi.org/10.1016/0734-743x(90)90054-y
https://doi.org/10.1016/0734-743x(90)90054-y
Publikováno v:
AIP Conference Proceedings.
The NASA Johnson Space Center (JSC) Hypervelocity Impact Test Facility (HIT-F) has developed several low mass, high performance shielding concepts to protect spacecraft from orbital debris and meteoroid impact. Development testing requires shield con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49e6770ab8bc2350650e04214d39f3af
https://doi.org/10.1063/1.50688
https://doi.org/10.1063/1.50688
Publikováno v:
AIP Conference Proceedings.
NASA has developed enhanced performance shields to improve the protection of spacecraft from orbital debris and meteoroid impacts. One of these enhanced shields includes a blanket of Nextel™ ceramic fabric and Kevlar™ high strength fabric that is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeabe55d90aab9610b776358c86ce8d1
https://doi.org/10.1063/1.50693
https://doi.org/10.1063/1.50693
Publikováno v:
Computational Mechanics ’95 ISBN: 9783642796562
Beginning in late 1997, NASA and its international partners will assemble the International Space Station Alpha in Low Earth Orbit (LEO). Researchers have studied the LEO environment for many years and have determined that orbital debris and meteoroi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8c999efce564d0e755a40fcdd9618e0
https://doi.org/10.1007/978-3-642-79654-8_236
https://doi.org/10.1007/978-3-642-79654-8_236
Autor:
Eric L. Christiansen, Jeanne L. Crews
Publikováno v:
Space Programs and Technologies Conference.
The NASA Johnson Space Center Hypervelocity Impact Test Facility was created in 1980 to study the hypervelocity impact characteristics of composite materials. The facility consists of the Hypervelocity Impact Laboratory (HIRL) and the Hypervelocity A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::201ffbae7e00309c58084b536695e94c
https://doi.org/10.2514/6.1992-1640
https://doi.org/10.2514/6.1992-1640
Publikováno v:
Space Programs and Technologies Conference.
Augmentation concepts for the Space Station Freedom (SSF) are described in detail and advantages and disadvantages of various proposals are evaluated. It is pointed out that early augmentation of SSF debris shielding, which would take place 6-9 years
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84987d82f59cf3bbd3a66dabd2e84a1c
https://doi.org/10.2514/6.1990-3665
https://doi.org/10.2514/6.1990-3665