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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 433 records · Page 24
All sourcesNASA NTRSDOE OSTI
DOE OSTI2017

6th Annual Earth System Grid Federation Face-to-Face Conference Report, December 5–9, 2016, Washington, D.C.

Since its inception in the late 1990s, the Earth System Grid Federation (ESGF) has evolved significantly as a system. As technology changed and its user base grew larger and more diverse, ESGF gradually developed into the state-of-the-art federated system it is today. Due to the enormity of its scope and the urgency of community needs, many features had to be tested in the real world during the expansion process. The rollout of Version 2.4 in 2016 culminated a series of releases and user feedback initiatives that began in 2013. During this 3-year period, ESGF hosted user group meetings to better understand how the system was being used; this information was then leveraged to begin Version 3.0 planning and preparations. The user meetings were collectively led and organized by the U.S. Department of Energy (DOE), the Infrastructure for the European Network for Earth System Modelling (IS-ENES), the U.S. National Aeronautics and Space Administration (NASA), the Australian National Computational Infrastructure (NCI), the U.S. National Oceanic and Atmospheric Administration (NOAA), and the U.S. National Science Foundation (NSF). The information emerging from the user group meetings influenced requirements, development, and operations. In 2015, representatives from a significant fraction of projects that use ESGF to disseminate and analyze data attended the Fifth Annual ESGF Face-to-Face (F2F) Conference (DOI: 10.2172/1253685). Attendees provided important feedback regarding current and future community data use cases. Discussions focused on maintaining essential operations while developing new and improved software to handle ever-increasing data variety, complexity, velocity, and volume—a task accomplished by the entire consortium.

97 MATHEMATICS AND COMPUTING↗
DOE OSTI2018

Transmittal of Draft Consultation Letter to the New Mexico State Historic Preservation Officer Regarding the Proposed Loading Dock to Conference Room Conversion Building 303 at Technical Area 16

The U.S. Department of Energy (DOE), National Nuclear Security Administration (NNSA), Los Alamos Field Office (NA-LA) proposes to enclose the existing loading dock to create a conference room at building 303, located within Technical Area (TA) 16, Los Alamos National Laboratory (LANL). TA-16-303 has been determined eligible for listing in the National Register of Historic Places in correspondence with the New Mexico State Historic Preservation Division dated June 22, 2003. Eligibility status is based on its historical significance during the Cold War at Los Alamos and its representative architectural style, which is associated with high explosives research and development in support of the nation’s nuclear weapons program. As shown in the enclosed photograph, key architectural elements include a flat roof with overhangs, unpainted reinforced-concrete construction, green painted doors and trim.

99 GENERAL AND MISCELLANEOUS↗
DOE OSTI2019

8th Annual Earth System Grid Federation Face-to-Face Conference Report

Members of the Earth System Grid Federation (ESGF) gathered in Washington, DC, on December 3–7, 2018, for the 8th Annual ESGF Face-to-Face (F2F) Conference. The event packed 40 presentations, several plenary sessions, a poster session, guest speakers, an awards ceremony, and an Executive Committee (XC) meeting into the week. ESGF working teams (WTs) conduct daily operations remotely all over the world. Although most teams meet online regularly, in-person interaction is incredibly important for cementing relationships and evaluating progress.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2019

Travel Support for Western Photosynthesis Conference

This award was issued to the University of Tennessee at Knoxville. The conference was a great success we with the support provided by registration and 11 private sponsors we were able to cover all expenses. The funds were depleted by providing travels support to the selected participants.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2019

STEAM Career Conference

Today I was asked if I would speak at a Girl Scout STEM Conference this Saturday. The talk is geared towards junior-high and high-school aged girls and gives a broad overview of the NNSS and a high level explanation of remote sensing and surface reconstruction. It includes some photos that are commonly used in public documents and contains no work-related data.

99 GENERAL AND MISCELLANEOUS↗
DOE OSTI2021

Molecular Magnetism in North America Conference

The report provides information on the Molecular Magnetism in North America (MAGNA) conference that the DOE funding supported. It was held 2/21/2020 - 2/24/2020 at the King and Prince Hotel on St. Simon’s Island in southern Georgia. It brought together workers from academic institutions and government laboratories working in the field of molecular magnetism, including synthetic chemistry of molecular and 1D-3D molecule-based materials, and the various physical and spectroscopic methods for their study. The oral program spanned 3½ days and comprised 32 talks (30 mins each) by faculty and government scientists, and 12 talks (15 mins each) by junior people (graduate students and postdoctorals). The poster session took place at 6 pm on Saturday, Feb 22nd, and comprised 21 posters. Total registrations for the meeting were 68.

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
DOE OSTI2021

America Resilient Climate Conference

On April 14, 2021, scientists, policymakers, and other interested parties from research institutes, academia, and other organizations gathered together virtually at the America Resilient Climate Conference to discuss one of the most pressing challenges of the 21st century: building resilience to climate change. Climate change affects the security and health of all Americans. Coastal areas are enduring more frequent and severe flooding due to sea level rise and storm surge; western states and Alaska have experienced increasingly devastating wildfires, driven in part by hotter, drier, and longer fire seasons; and communities across the nation have suffered through extreme precipitation events and heat waves. Even if emissions are reduced aggressively in the near future, the world—and the United States—will continue to feel the impacts of climate change for decades to come, due to the continued accumulation of greenhouse gasses in the atmosphere. Consequently, it is essential to act now to protect natural and human assets from the gradual—as well as extreme—impacts of a changing climate. To build resilient communities, leaders and community members need science-based information about the potential impacts climate change will have decades into the future and for specific regions. Therefore, it is essential to develop high-resolution climate models that can project both various climate impacts and the interactions between earth system variables and humans down to regional and local scales. Collecting and curating data for such models and their computational requirements poses large challenges. In the future, artificial intelligence will be needed to increase their accuracy and reduce associated uncertainties. The investments in Earth system science and artificial intelligence made by the U.S. Department of Energy and other federal entities will be essential in addressing these challenges.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2024

Developing and Integrating the Plant Phenomics Community: Support for the 2022 Conference of the North American Plant Phenotyping Network (Final Report)

The North American Plant Phenotyping Network (NAPPN) hosted our NAPPN2022 Annual Conference as a hybrid event from February 22-25, 2022, at the Classic Center in Athens, GA in cooperation with the University of Georgia. We had over 300 attendees with approximately half attending in person and half attending through our online platform. During the 4 day event, there were 92 scientific talks (33 of which were fast-forward presentations by early career researchers), eleven hands-on workshops, two in-person facility tours, a career and mentoring fair and a panel on international partnerships and perspectives.

59 BASIC BIOLOGICAL SCIENCES↗
DOE OSTI2022

Mach Conference, 2022.

There has been considerable interest in chemical vapor infiltration (CVI) manufactured silicon carbide fiber and silicon carbide matrix (SiC/SiC) composite tubes due to their superior mechanical properties. The SiC/SiC tubes are known to remain stable even after prolonged exposure to radiation. However, there are many variables in the manufacturing of SiC/SiC composite tubes such as elastic constants of constituent SiC fiber and SiC matrix, braiding angle, porosity, and others whose values vary over a range. The intention is to identify the distribution of elastic constants of SiC/SiC tubes which would help model the performance of the novel cladding material. To do so, a sensitivity analysis will be carried out to determine the dominant variables that influence the elastic constants of SiC/SiC tubes. A chosen number of combinations of dominant variables will be sampled through the Latin hypercube sampling (LHS) method. The elastic constants of composite tube namely Young's moduli in the circumferential and longitudinal direction, Poisson's ratio, and shear modulus will be calculated at sampled points through finite element (FE) analysis. A polynomial response surface (PRS) will be built for each of the elastic constants to be used as a surrogate to FE analysis. Once the predictive accuracy of PRS is verified at the validation set of data points, the PRS will be invoked 105 times in Monte Carlo simulations (MCS). The uncertainty can be quantified by calculating the coefficient of variation (CV) based on MCS-generated data which will be presented at the conference.

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS↗