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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 1,441 records · Page 80
All sourcesNASA NTRSDOE OSTI
DOE OSTI2013

Commercial Building Energy Baseline Modeling Software: Performance Metrics and Method Testing with Open Source Models and Implications for Proprietary Software Testing

The overarching goal of this work is to advance the capabilities of technology evaluators in evaluating the building-level baseline modeling capabilities of Energy Management and Information System (EMIS) software. Through their customer engagement platforms and products, EMIS software products have the potential to produce whole-building energy savings through multiple strategies: building system operation improvements, equipment efficiency upgrades and replacements, and inducement of behavioral change among the occupants and operations personnel. Some offerings may also automate the quantification of whole-building energy savings, relative to a baseline period, using empirical models that relate energy consumption to key influencing parameters, such as ambient weather conditions and building operation schedule. These automated baseline models can be used to streamline the whole-building measurement and verification (M&V) process, and therefore are of critical importance in the context of multi-measure whole-building focused utility efficiency programs.

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗
DOE OSTI2018

CFD Simulations of Wind Tunnel Tests On Deer Isle – Sedgwick Bridge Model. Part 1. Static tests

The Deer Isle – Sedgwick Bridge is a suspension bridge connecting the mainland to Little Deer Isle, Maine. The structure was completed in 1939 and from the beginning it encountered wind stability problems that were similar to those of the original Tacoma Narrows Bridge. The problems led to numerous structural modifications during the construction and over the years of operation. In the 1980s the Aerodynamics Laboratory located in the Turner-Fairbank Highway Research Center was requested by the Maine Department of Transportation to investigate the bridge response under the existing wind conditions and suggest modifications to improve its aerodynamic characteristics.

42 ENGINEERING↗
DOE OSTI2018

Steam Oxidation, Burst and Critical Heat Flux Testing of FeCrAl Cladding in the Severe Accident Test Station

Since August 2011, Oak Ridge National Laboratory (ORNL) has been evaluating the steam oxidation resistance of a wide range of materials to identify a potential accident tolerant fuel (ATF) cladding [1-14]. The primary goal of an ATF cladding is to enhance safety margins in light water reactors (LWR) during beyond design basis accident scenarios (such as the nuclear accident at Fukushima Daiichi in March 2011) without requiring changes to the reactor design or fuel enrichment, or significantly affecting reactor economics during normal operation.

36 MATERIALS SCIENCE↗
DOE OSTI2018

Results of Temporary Shutdown Testing and Groundwater Pump-Testing at Agra, Kansas, February-September 2016 and march 2017, and Assessment of Groundwater and Contaminant Migration

In 2005, the Commodity Credit Corporation/U.S. Department of Agriculture (CCC/USDA) conducted a comprehensive investigation of potential contaminant source areas on, and in the vicinity of, the former CCC/USDA grain storage facility in Agra, Kansas (Argonne 2006). The data collected during this investigation identified three primary source areas for carbon tetrachloride contamination. One source is located on the former CCC/USDA property, and the other two (western and eastern) sources are located on adjacent property owned by Pro-Ag Marketing. The soil source located at the western end of the Pro-Ag property has been identified as the sole source of carbon tetrachloride contamination to the groundwater in this portion of the Agra site, and is not associated with any grain storage activities on the former CCC/USDA property. In 2008-2009, to address the carbon tetrachloride contamination detected on its former property, the CCC/USDA initiated source area cleanup as an interim measure (IM). The cleanup employs five large-diameter boreholes (LDBs) that were excavated by auger drilling. The purposes of these borings were to (1) physically remove soils impacted by carbon tetrachloride from the most contaminated area for treatment by onsite land farming and (2) provide locations for the installation of coupled soil vapor extraction (SVE) and air sparging (AS) wells to facilitate in-situ treatment of the carbon tetrachloride in the soils and underlying groundwater. With the approval of the KDHE, operation of the SVE/AS systems began in May 2009, and has generally continued with minimal interruption since that time. Land farming operations to treat contaminated soil excavated from the LDBs were successfully completed in October 2010.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2018

X-ray Diffraction Characterization of U-10wt% EBR-II Driver Fuel and Fuel Used for AFC-4B and AFC-4D Testing in the Advanced Test Reactor

The purpose of this report is to show the final XRD characterization of EBR-II U-10wt%Zr driver fuel and the methods prescribed to assess whether there is a pronounced crystallographic texture in these archive samples. The results provide this method and information as to the condition of as-fabricated EBR-II fuel, thereby potentially allowing a linkage between the documented performance of these fuels with future U-10wt%Zr fuels.

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗
DOE OSTI2018

Coupled Calculations of the Nuscale FIV Tests: Pre-test Simulations and Sensitivity Analysis

The NEAMS program aims to develop an integrated multi-physics simulation capability “pellet-to-plant” for the design and analysis of future generations of nuclear power plants. In particular, the Reactor Product Line code suite's multi-resolution hierarchy is being designed to ultimately span the full range of length and time scales present in relevant reactor design and safety analyses, as well as scale from desktop to petaflop computing platforms.

42 ENGINEERING↗
DOE OSTI2022

What's in a Test Site? Past & Future Lunar Analog Testing at the NNSS

Presentation for the Fall Meeting of Johns Hopkins' Lunar Surface Innovation Consortium (LSIC). Additional details at this link: https://lsic.jhuapl.edu/Events/Agenda/index.php?id=350 Nicholas Downs will be the presenter of these slides. Conference Location: University of Texas El Paso Conference Dates: 11/1/22-11/3/22

58 GEOSCIENCES↗