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Target pitch angle for the microburst escape maneuver

By: Mulgund, Sandeep S

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

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Silicon device performance measurements to support temperature ran...

By: Bromstead, James; Johnson, R. Wayne; Askew, Ra; Weir, Bennett

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

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A solar power system for an early Mars expedition

By: Mckissock, Barbara I. ; Schmitz, Paul C; Kohout, Lisa L.

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

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On the parallel efficiency of the Frederickson-McBryan multigrid

By: Decker, Naomi H

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; To take full advantage of the parallelism in a standard multigrid algorithm requires as many processors as points. However, since coarse gri

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The Interpretation of Crustal Dynamics Data in Terms of Plate Inte...

By: Toksoz, M. Nafi; Reilinger, Robert E

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

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A head up display format for application to V/STOL aircraft approa...

By: Merrick, Vernon K. ; Vanags, Andrejs A; Farris, Glenn G.

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

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An analog study of an airborne automatic landing-approach system

By: Adams, James J

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents

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Processing, physical metallurgy and creep of NiAl Ta and NiAl Nb a...

By: Pathare, Viren M

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

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Efficient placement of structural dynamics sensors on the space st...

By: Lepanto, Janet A. ; Shepard, G. Dudle

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.

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The terminal area simulation system. Volume 1: Theoretical formulation

By: Proctor, F. H

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

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Manned Mars mission cost estimate

By: Hamaker, Joseph; Smith, Keit

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

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An assessment of transport coefficient approximations used in gala...

By: Townsend, Lawrence W. ; Wilson, John W

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

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Second-order closure models for rotating turbulent flows

By: Speziale, C. G

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

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Method of increasing minority carrier lifetime in silicon web or t...

By: Liu, J. K. ; Schwuttke, G. H

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

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Development of a reduced basis technique for transient thermal ana...

By: Shore, C. P

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

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The NASA Ames Research Center one- and two-dimensional stratospher...

By: Turco, R. P. ; Whitten, R. C

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

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Composite materials, 1

By: Fujii, T

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

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A detailed description of the sequential probability ratio test fo...

By: Rich, T. M

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

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Investigations of the 0.020-scale 88-OTS Integrated Space Shuttle ...

By: Nichols, M. E

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.

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Investigations of the 0.020-scale 88-OTS Integrated Space Shuttle ...

By: Nichols, M. E

Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Tabulated force and pressure data are presented for the orbiter base and fuselage. For abstract, see N76-33263.

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