Results 71 to 80 of about 781,529 (209)

Lunar transit telescope lander design [PDF]

The Program Development group at NASA's Marshall Space Flight Center has been involved in studying the feasibility of placing a 16 meter telescope on the lunar surface to scan the skies using visible/ Ultraviolet/ Infrared light frequencies.
Omar, Husam A.
core   +1 more source

Analytical investigation of solid rocket nozzle failure [PDF]

On April 5, 1983, an Inertial Upper Stage (IUS) spacecraft experienced loss of control during the burn of the second of two solid rocket motors. The anomaly investigation showed the cause to be a malfunction of the solid rocket motor. This paper presents
Hester, J., Mccoy, K. E.
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Comparison Study between Marshall and Superpave Mix Design Methods

Halabja University Journal, 2021
Sardar Majeed Omar, Burhan Muhammed Sharif, Hemn Unis Ahmed, Wrya A. Abdullah   +3 more
openaire   +1 more source

Waste plastic utilization in asphalt mix for sustainability and enhancing rheological parameters

Transportation Research Interdisciplinary Perspectives
The demand for resilient and sustainable pavements capable of accommodating increased traffic loads necessitates innovations beyond traditional approaches. While the Marshall mix design remains widely used in Bangladesh, evolving transportation pressures
Puja Brohomo, Ahmed Shakik, Mahmudul Hasan Mizan   +2 more
doaj   +1 more source

Design, fabrication, testing and delivery of a solar collector [PDF]

A two phase program encompassing the redesign and fabrication of a solar collector which is low in cost and aesthetically appealing is described. Phase one work reviewed the current collector design and developed a low-cost design based on specific ...
Ballheim, R. W., Bartley, S. M., Sims, W. H., Smith, G. W.   +3 more
core   +1 more source

The solar heating and cooling commercial demonstration program: Some early problems and results [PDF]

The activities of the Marshall Space Flight Center of the National Aeronautics and Space Administration in the technical evaluation of proposals, contracts definitions, and program management details are defined and discussed.
Middleton, R. L.
core   +1 more source

The George C. Marshall Space Flight Center High Reynolds Number Wind Tunnel Technical Handbook [PDF]

The High Reynolds Number Wind Tunnel at the George C. Marshall Space Flight Center is described. The following items are presented to illustrate the operation and capabilities of the facility: facility descriptions and specifications, operational and ...
Gwin, H. S.
core   +1 more source

IXPE Mirror Module Assemblies [PDF]

Expected to launch in 2021 Spring, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Astrophysics Small Explorer Mission with significant contributions from the Italian space agency (ASI).
Alexander, Cheryl, Baumgartner, Wayne H., Bongiorno, Stephen D., Elsner, Ronald F., Kilaru, Kiranmayee, Kolodziejczak, Jeffery J., McCracken, Jeffrey, Mitsuishi, Ikuyuki, O’Dell, Stephen L., Pavelitz, Steven D., Ramsey, Brian D., Ranganathan, Jaganathan, Sanchez, Javier, Speegle, Chet O., Weddendorf, Bruce   +14 more
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Can space station software be specified through Ada? [PDF]

Programming of the space station is to be done in the Ada programming language. A breadboard of selected parts of the work package for Marshall Space Flight Center is to be built, and programming this small part will be a good testing ground for Ada. One
Knoebel, Arthur
core   +1 more source

Optimizing Use Of Marshall Asphalt Mix Design

, 1997
Rutting has been a problem in Qatar's highway pavements since it began designing asphalt mixtures with the Marshall Method in the early 1990's. This paper describes specifications and rules-of-thumb which have been generated in the United States which may provide insight to Qatar's rutting problem and suggests modifications to mix design and ...
openaire   +1 more source