Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The objective of this study was to investigate the constant pitch attitude strategy as a possible non-precision maneuver for recovery from i
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Semiconductor power devices are typically rated for operation below 150 C. Little data is known for power semiconductors over 150 C. In most
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; As NASA looks at missions that will expand human presence in the solar system, the power requirements for such missions need to be defined
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; During the past 6 months, efforts were concentrated on the following areas: (1) Continued development of realistic, finite element modeling
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A head up display (HUD) format developed at NASA Ames Research Center to provide pilots of V/STOL aircraft with complete flight guidance and
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Powder processed NiAl Ta alloys containing 1, 2, and 4.5 at percent tantalum and NiAl Nb alloys containing 1 and 2 at percent niobium were d
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; System identification of the space station dynamic model will require flight data from a finite number of judiciously placed sensors on it.
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A three-dimensional numerical cloud model was developed for the general purpose of studying convective phenomena. The model utilizes a time
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The potential costs of several options of a manned Mars mission are examined. A cost estimating methodology based primarily on existing Mars
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; An energy-dependent, perturbation expansion solution for heavy ion transport in one dimension is used to perform depth-dose calculations for
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The physical properties of the commonly used second-order closure models are examined theoretically for rotating turbulent flows. Comparison
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A silicon dendrite is grown as a ribbon forming two silicon crystal layers which are separated by an interface layer which contains a large
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A technique to reduce the degrees of freedom in static and dynamic problems, the reduced basis method, is described. The method combines the
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The effectiveness of leading edge concepts for minimizing or controlling leading edge flow separation was studied. Emphasis was placed on lo
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; A one-dimensional model of stratospheric trace constituents is described in detail. Specifically, the numerical solution of the species cont
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The basic definition of a composite material is examined and the main types of composites are characterized. Particle dispersed composite ma
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; The sequential probability ratio test (SPRT) for 2-IMU FDI (inertial measuring unit failure detection/isolation) is described. The SPRT is a
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Tabulated pressure data are presented for the orbiter fuselage, the orbiter bodyflap upper surface, and the orbiter bodyflap lower surface.
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; IONIC CONDUCTION IN SINTERED OXIDES WITH HOLLANDITE TYPE STRUCTURE, WHICH HAVE TETRAGONAL LATTICE AND INVOLVE TUNNELS ALONG THE C AXIS, WAS