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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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At least 541 records · Page 30
All sourcesNASA NTRSDOE OSTI
DOE OSTI2024

CRADA 611 Noria Energy R6 (Abstract)

For the past several years, the National Renewable Energy Laboratory (NREL), Sandia National Laboratories (SNL), and Pacific Northwest National Laboratory (PNNL) have provided technical assistance to the recipients of Department of Energy (DOE) -funded voucher programs, namely American-Made Challenges (AMC), the Incubator Program, and the Small Business Vouchers Program. Drawing on lessons learned and from first-hand experiences, NREL is leading a new holistic and streamlined voucher program aimed at strengthening ties between American innovators and the national labs. This new program, “Vouchers to Enable Laboratory and Organizational Collaboration for Innovation and Technology Improvements,” or VELOCITI, will leverage the successful elements of past programs, create administrative efficiencies, and enable the buildout of a national program to drive strong relationships between entrepreneurs and the national labs to accelerate the roll-out of new technologies in the US solar sector.

99 GENERAL AND MISCELLANEOUS↗
DOE OSTI2024

Synthesis and Characterization of Enhanced Conductivity Copper Composites [Abstract]

In this project, PNNL will extrude and characterize copper alloy wires embedded with graphene additives using the billets provided by NAECO via the shear assisted processing and extrusion (ShAPE TM ) technology. PNNL will measure the electrical properties of the extruded wires and also perform multimodal imaging to determine the microstructural features as required. These activities will be performed as part of a voucher service provided by PNNL for the CABLE Manufacturing Prize stewarded by DOE Advanced Manufacturing Office. This 6-month effort will be executed at PNNL with a budget of $100,000.00 (USD).

36 MATERIALS SCIENCE↗
DOE OSTI2018

Selection of abstracts from the scientific sessions of the Society of Nuclear Medicine and Molecular Imaging, Philadelphia PA June 23–26, 2018

This mini-review highlights cardiovascular studies that were presented during the 2018 Society of Nuclear Medicine and Molecular Imaging (SNMMI) annual meeting in Philadelphia. The aim of this review is to inform readers about several noteworthy studies reported at the meeting. Although cardiovascular application of PET and SPECT are not the primary focus of the SNMMI, several scientific teams working in this field presented their latest scientific findings at this meeting. The review therefore aims to inform the readers who did not attend the SNMMI annual meeting about some interesting new concepts presented this year at the conference.

62 RADIOLOGY AND NUCLEAR MEDICINE↗
DOE OSTI2016

Order-fractal transitions in abstract paintings

In this study, we determined the degree of order for 22 Jackson Pollock paintings using the Hausdorff–Besicovitch fractal dimension. Based on the maximum value of each multi-fractal spectrum, the artworks were classified according to the year in which they were painted. It has been reported that Pollock’s paintings are fractal and that this feature was more evident in his later works. However, our results show that the fractal dimension of these paintings ranges among values close to two. We characterize this behavior as a fractal-order transition. Based on the study of disorder-order transition in physical systems, we interpreted the fractal-order transition via the dark paint strokes in Pollock’s paintings as structured lines that follow a power law measured by the fractal dimension. We determined self-similarity in specific paintings, thereby demonstrating an important dependence on the scale of observations. We also characterized the fractal spectrum for the painting entitled Teri’s Find. We obtained similar spectra for Teri’s Find and Number 5, thereby suggesting that the fractal dimension cannot be rejected completely as a quantitative parameter for authenticating these artworks. -- Highlights: •We determined the degree of order in Jackson Pollock paintings using the Hausdorff–Besicovitch dimension. •We detected a fractal-order transition from Pollock’s paintings between 1947 and 1951. •We suggest that Jackson Pollock could have painted Teri’s Find.

97 MATHEMATICS AND COMPUTING↗