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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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University-based research is often driven by questions of theory and is carried out in artificial manner. Applied research is aimed at solving practical problems in ways that are informed by the theories and in a manner that is ecologically valid. The talk discusses the two approaches and describes two studies in which the practical problem drove laboratory studies resulting in practical solutions.
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In this paper, the latest status of the USDC development and applications that are undewary is reviewed and discussed.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
This white paper focuses on “soft” materials, many if not all of the suggested analytical techniques have multi-purpose capabilities across wide range of scientific domains.
The radiometric calibration of OLI-2 for Landsat 9 uses two types of sources: pre-launch radiance calibrated sphere sources and on-board flight solar diffuser panels. For both calibration articles the instrument contractor, Ball Aerospace Corp. assured the NIST scale transfer via laboratory measurements. The NIST reflectance scale transfer was conducted for the OLI-2 two flight diffusers at the University of Arizona Optical Sciences Center. In this report we present an approach in which the per detector information can be derived for the reflectance panel sources from their BRDF characterization. Using such information enables a cross-check of the as measured reflectance results during the prelaunch diffuser collects illuminated by a Heliostat. This information then enables a derivation of the uncertainty levels to allow assessment of the two radiometric calibration paths agreement.