Development of a Thermal Isolation Structure for Aerospace Cryogenic Instruments
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cryogenic structure thermal isolation↗
Engineering topics
Nash, A.
Publications and source records attributed to Nash, A..
Development of a Thermal Isolation Structure for Aerospace Cryogenic Instruments
A proof of concept prototype cryostat has been developed to demonstrate the ability to accommodate low temperature science investigations within the constraints of the Hitchhiker siderail carrier on the space shuttle.
space cryogenics structural supports↗
Development of the Facet Cryostat
A proof of concept prototype cryostat has been developed to demonstrate the ability to accommodate low temperature science investigations within the constraints of the Hitchhiker siderail carrier on the Space Shuttle.
space cryogenics cryostats superfluid helium neon↗
The Fast Alternative Cryogenic Experiment Testbed
Subsystems for a proof of concept cryogenic payload have been developed to demonstrate the ability to accommodate low temperature science investigations within the constraints of the Hitchhiker siderail carrier on the Space Shuttle.
space↗
Results from Tests of the Fast Alternative Cryogenic Experiment Testbed
To address the gap in manifest opportunities for low temperature microgravity payloads that has accompanied the start of the build era for the International Space Station (ISS), development of a new facility compatible with one or more carriers in the baseline shuttle manifest has been undertaken.
Fundamental Physics Shuttle Payload Cryostat↗
Experiments Along Coexistence Near Tricriticality
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Non-linear saturation effects↗
Fast Alternative Cryogenic Experiment Testbed
The end of regularly scheduled Microgravity Science Payload (MSP), shuttle mission(s), the severely limited ability to accommodate the existing low temperature flight hardware on other carriers, and the anticipated delays in the development schedule for the International Space Station (ISS) in combination have left low temperature microgravity investigations with few (if any) flight opportunities until several years into the next millennium.
International↗
Abundances and excitation of interstellar methyl formate
The detection of methyl formate (HCOOCH3) in four transitions toward Orion KL, in two transitions toward Sagitarrius B2, and in one transition toward W51 is reported. The column densities of HCOOCH3 are found to be surprisingly large (2-5 x 10 to the 14th per sq cm) in all three clouds. Stimulated emission in the 18 cm K doublet of HCOOCH3 toward Sagittarius B2 is clearly demonstrated. The relatively large column densities of HCOOCH3 in clouds outside the galactic-center region probably imply that this molecule is widely distributed in the galaxy, but the negative results in other clouds require lower column densities than in Orion by a factor of 0.5 or less. Two unidentified lines were detected in Orion, at approx. 91 and 99 GHz.
Churchwell, E.↗