Cost-effective use of liquid nitrogen in cryogenic wind tunnels, phase 2 [PDF]
Cryogenic seal tests were performed and Rulon A was selected for the subject nutating positive displacement expander. A four-chamber expander was designed and fabricated.
Leonard, Kenneth R. +3 more
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Develop and test fuel cell powered on site integrated total energy sysems: Phase 3: Full-scale power plant development [PDF]
A 25-cell stack of the 13 inch x 23 inch cell size (about 4kW) remains on test after 8300 hours, using simulated reformate fuel. A similar stack was previously shut down after 7000 hours on load.
Kaufman, A. +5 more
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Fiber-reinforced ceramic composites for Earth-to-orbit rocket engine turbines [PDF]
Fiber reinforced ceramic matrix composites (FRCMC) are emerging materials systems that offer potential for use in liquid rocket engines. Advantages of these materials in rocket engine turbomachinery include performance gain due to higher turbine inlet ...
Brockmeyer, Jerry W. +1 more
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ATLAS SCT Endcap Module Production [PDF]
, 2006 The challenges for the tracking detector systems at the LHC are unprecedented in terms of the number of channels, the required read-out speed and the expected radiation levels.
Abdesselam, A
core
Advanced predictive quality control strategy involving different facilities [PDF]
, 2012 There are many industries that use highly technological solutions to improve quality in all of their products. The steel industry is one example. Several automatic surface-inspection systems are used in the steel industry to identify various types of ...
A Giaquinto +17 more
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The effect of cell design and test criteria on the series/parallel performance of nickel cadmium cells and batteries [PDF]
Three batteries were operated in parallel from a common bus during charge and discharge. SMM utilized NASA Standard 20AH cells and batteries, and LANDSAT-D NASA 50AH cells and batteries of a similar design.
Halpert, G., Webb, D. A.
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Design, fabrication and test of partially populated prototype recorder using 100 kilobit serial chips is described. Electrical interface, operating modes, and mechanical design of several module configurations are discussed.
Becker, F. J., Bohning, O. D.
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Manufacturing process applications team (MATeam) [PDF]
Activities of the manufacturing applications team (MATeam) in effecting widespread transfer of NASA technology to aid in the solution of manufacturing problems in the industrial sector are described.
Bangs, E. R., Meyer, J. D.
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Viking '75 spacecraft design and test summary. Volume 3: Engineering test summary [PDF]
The engineering test program for the lander and the orbiter are presented. The engineering program was developed to achieve confidence that the design was adequate to survive the expected mission environments and to accomplish the mission ...
Faust, R. P. +2 more
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Full-scale testing, production and cost analysis data for the advanced composite stabilizer for Boeing 737 aircraft, volume 2 [PDF]
The development, testing, production activities, and associated costs that were required to produce five-and-one-half advanced-composite stabilizer shipsets for Boeing 737 aircraft are defined and ...
Aniversario, R. B. +7 more
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