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The Interplanetary Program to Optimize Space Trajectories (IPOST) is intended to support many analysis phases, from... Read More >>
Input-output characterization of fiber composites is studied theoretically by tracing P waves in the media. A new... Read More >>
An investigation of the wing upper surface flow-field disturbance due to in-flight inboard thrust reverser deployment... Read More >>
Integrators are included in the feedback loop of a control system to eliminate the steady state errors in the commanded... Read More >>
Annual report of the Johnson Space Center Director's Discretionary Fund documenting effective use of resources.... Read More >>
A numerical scheme was developed to solve the inverse kinematics for a user-defined manipulator. The scheme was... Read More >>
This experiment was exposed to the space environment for 6 years on the Long Duration Exposure Facility (LDEF).... Read More >>
Our TSS-1/R investigation, which we shall refer to as EMET in this report, was an integral part of the effort by... Read More >>
The design and fabrication of individually addressable laser diode arrays for high performance magneto-optic recording... Read More >>
This document presents the results of a design feasibility study for LISA (Laser Interferometer Space Antenna).... Read More >>
The proposed vehicle, the Lunar Material Transport Vehicle (LMTV), has a mission objective of efficient lunar soil... Read More >>
It is apparent from the literature and the results of this study that cyclic degradation of AB(5) type metal hydrides... Read More >>
Issues involved in point-to-multipoint communication are presented and the literature for proposed solutions and... Read More >>
Attributes of Quaternary lakes and lake basins which are often important in the environmental prehistory of semideserts... Read More >>
This study analyzes techniques instructors use to facilitate crew analysis and evaluation of their Line-Oriented... Read More >>
The West Virginia State College Community College Division NASA Magnetic Earth Ionosphere Resonant Frequencies (MEIRF)... Read More >>
To prevent hole collapse during lunar drilling operations, a casing has been devised of a graphite reinforced polyimide... Read More >>
The potential of a common Liquid Rocket Booster (LRB) design was evaluated for use with both the Space Transportation... Read More >>
Low-speed wind-tunnel tests were conducted in the Langley 12-Foot Low-Speed Tunnel on a model of the Boeing Multirole... Read More >>
This paper proposes a comprehensive incremental program, Lunar Limb Observatory (LLO), for a return to the Moon,... Read More >>
The objectives of this program were to establish the feasibility of metallized/liquid oxygen monopropellants and... Read More >>
Fundamental equations of aerodynamic sensitivity analysis and approximate analysis for the two dimensional thin... Read More >>
A preliminary top level study was completed to define power system concepts applicable to Mars surface applications.... Read More >>
The concept of an aqueous-based chemical analyzer for Martian surface materials has been demonstrated to be feasible.... Read More >>