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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 1,783 records · Page 99

All sources NASA NTRS DOE OSTI

NASA NTRS2015

NASA Lessons Learned on Reusable and Expendable Launch Vehicle Operations and Their Application Towards DARPA's Experimental Spaceplane (XS-1) Program

Outline: Selected Historic Shuttle Operations Data; Shuttle Lessons Learned Recommendations for Lower Cost, Operationally Efficient Launch Vehicle Systems; Selected Expendable launch vehicle experiences; Past NASA Launch Vehicle Development Programs, Studies (1985 to present); Discussion: Suggested applications of NASA Lessons Learned to already-baselined contractor XS-1 Phase I concepts.

Reusable launch vehicle↗

NASA NTRSDate not supplied

Selection and Characterization of the Landing Site for NASA CLPS PRISM1 Lunar Lander Mission CP-11

The NASA Commercial Lunar Payload Services (CLPS) program delivery known as "CP-11" will carry multiple payloads to the lunar surface in 2024. The payloads include (a) Lunar Vertex, the first science suite sponsored by the NASA Science Mission Directorate's Payloads and Research Investigations on the Surface of the Moon (PRISM) program, (b) JPL's CADRE (Cooperative Autonomous Distributed Robotic Explorers), a project from the NASA Space Technology Mission Directorate's Game Changing Development Program, (c) the Lunar Space Environment Monitor (LUSEM), a high-energy particle detector from the Korea Astronomy and Space Science Institute (KASI) and funded by the Ministry of Science and ICT of Korea (MSIT), and (d) MPAc (MoonLIGHT Pointing Actuator), a laser retro-reflector developed by the National Institute for Nuclear Physics (INFN-LNF) and funded by the European Space Agency.

David T. Blewett↗

NASA NTRS1990

Design knowledge capture for a corporate memory facility

Currently, much of the information regarding decision alternatives and trade-offs made in the course of a major program development effort is not represented or retained in a way that permits computer-based reasoning over the life cycle of the program. The loss of this information results in problems in tracing design alternatives to requirements, in assessing the impact of change in requirements, and in configuration management. To address these problems, the problem was studied of building an intelligent, active corporate memory facility which would provide for the capture of the requirements and standards of a program, analyze the design alternatives and trade-offs made over the program's lifetime, and examine relationships between requirements and design trade-offs. Early phases of the work have concentrated on design knowledge capture for the Space Station Freedom. Tools are demonstrated and extended which helps automate and document engineering trade studies, and another tool is being developed to help designers interactively explore design alternatives and constraints.

Boose, John H.↗

NASA NTRSDate not supplied

NASA's Professional DEVELOPment - Evaluating 10 Weeks of Capacity Building

Under NASA’s Applied Sciences, the NASA DEVELOP Program is centered on dual capacity building. Projects bring together partners and participants to learn how Earth observation data can enhance environmental decision-making practices and inform action. During their time with DEVELOP, participants build technical skills around remotely sensed data and professional skills through interactions with team members, science advisors, and partners. To further refine the participant experience, DEVELOP explores which technical and professional skills individuals report improving during the 10-week program. An analysis of self-reported assessments from 2018 to 2021 included projects that were conducted in-person and virtually. Participants consistently indicated a strong improvement in technical and professional skills yet there was clear variation between in-person and virtual opportunities. When comparing between 2019 and 2021, self-reporting showed a higher percentage of participants reporting an increase in networking in the virtual environment and an increase in building professional relationships with project partners virtually. This analysis suggests that professional opportunities available in the virtual environment may in fact bolster early career scientists’ networking abilities. This presentation will identify DEVELOP’s approach to monitoring and evaluation, highlight interesting trends introduced by the pandemic, and lessons learned.

Sarah Payne↗

DOE OSTI2025

The Workforce Readiness Index: A Local and Regional Assessment Tool for Energy Sector Preparedness

Building up a workforce that is properly trained and adequately sized is essential to ensuring that the deployment of energy generation sources in the United States meets future energy demand. Workforce development to support supply chain or large infrastructure investments typically occurs at a local level. However, there is a critical gap in understanding where and to what extent regional workforces are equipped to meet the needs of an energy industry. The Workforce Readiness Index ("the index") was developed to assess and compare energy sector workforce readiness across the United States at the county level to provide granular information to various stakeholders such as industry members, state decision makers, and training program developers. Workforce readiness is defined as the ability to recruit from the general labor market, transition workers with comparable skill sets, and train a workforce using scalable or existing training programs near a specific location. Therefore, the index evaluates readiness levels based on the likelihood that a county possesses the workforce development infrastructure needed to support the occupations required by an energy-related industry or sector. Furthermore, the index offers a standardized yet flexible approach that captures regional variations and highlights local strengths and challenges.

17 WIND ENERGY↗

DOE OSTI2018

PhotochemCAD 3: Diverse Modules for Photophysical Calculations with Multiple Spectral Databases

Not provided.

Biochemistry & Molecular Biology↗

DOE OSTI2012

Marine Corps Base Camp Lejeune Air Emission Factors Data

Critical military training and testing on lands along the nation’s coastal and estuarine shorelines are increasingly placed at risk because of development pressures in surrounding areas, impairments due to other anthropogenic disturbances, and increasing requirements for compliance with environmental regulations. The U.S. Department of Defense (DoD) intends to enhance and sustain its training and testing assets and to optimize its stewardship of natural resources through the development and application of an ecosystem-based management approach on DoD installations. To accomplish this goal, particularly for installations in estuarine/coastal environments, the Strategic Environmental Research and Development Program (SERDP) launched the Defense Coastal/Estuarine Research Program (DCERP) as a minimum 10-year effort at Marine Corps Base Camp Lejeune (MCBCL) in North Carolina. The results of the first six years of the program (DCERP1) are presented here.The overarching objectives of DCERP are to: (1) understand the effects of military training activities, infrastructure development, and other coastal military installations; (2) develop models, tools, and indicators to evaluate ecosystem health; and (3) recommend adaptive management strategies to sustain ecosystem natural resources within the context of an active military installation.Spreadsheet file with two sheets, one with excess mixing ratios and concentrations of gaseous and particulate (PM2.5) pollutant species measured in prescribed burning (PB) plumes, the other with the emission factors (EF) calculated from the former assuming that a) the fuel-carbon content by mass is 42.6 % and b) all fuel-C species produced and emitted during PB had been captured by our measurements. PB experiments were conducted in five different test plots (RB, HA, MF, IEn, IEs), spanning the moisture gradient from semi-mesic loblolly pine forest to wet-mesic loblolly-longleaf pine forest to pond pine pocosin. Each plot contained mechanically treated, hydro-axed fuel in a 100 x 100 m (1 ha) area, whose emissions were compared to those from the surrounding untreated control fuel. The majority of these data were added to MARDIS, but the entire file is provided here for ease of use.

54 ENVIRONMENTAL SCIENCES↗

DOE OSTI2013

Marine Corps Base Camp Lejeune Intracoastal Waterway Shoreline Characterization

Critical military training and testing on lands along the nation’s coastal and estuarine shorelines are increasingly placed at risk because of development pressures in surrounding areas, impairments due to other anthropogenic disturbances, and increasing requirements for compliance with environmental regulations. The U.S. Department of Defense (DoD) intends to enhance and sustain its training and testing assets and to optimize its stewardship of natural resources through the development and application of an ecosystem-based management approach on DoD installations. To accomplish this goal, particularly for installations in estuarine/coastal environments, the Strategic Environmental Research and Development Program (SERDP) launched the Defense Coastal/Estuarine Research Program (DCERP) as a minimum 10-year effort at Marine Corps Base Camp Lejeune (MCBCL) in North Carolina. The results of the first six years of the program (DCERP1) are presented here.The overarching objectives of DCERP are to: (1) understand the effects of military training activities, infrastructure development, and other coastal military installations; (2) develop models, tools, and indicators to evaluate ecosystem health; and (3) recommend adaptive management strategies to sustain ecosystem natural resources within the context of an active military installation.Shoreline characterization of the Intracoastal waterway within the foundries of Marine Corps Base Camp Lejeune. Data was collected by ground truth methods and included boat operations. The shoreline of the ICW was characterized by boat in April and June 2010 using Global Positioning Systems (GPS) equipment and ArcGIS software. The previously digitized 2009 shoreline was edited within ArcGIS, using GPS equipment to obtain the position of the boat relative to the shoreline. Four fields were created for the shoreline shapefile, including: shoreline type, vegetation/species, modification type and relief. A unique identifying code was created by concatenating the field values of the four fields. in January 2013 the field Veg_2 was created for the output of SLtype and Vegtype codeing.

54 ENVIRONMENTAL SCIENCES↗

DOE OSTI2011

Marine Corps Base Camp Lejeune Onslow Bay Seismic Sub-bottom

Critical military training and testing on lands along the nation’s coastal and estuarine shorelines are increasingly placed at risk because of development pressures in surrounding areas, impairments due to other anthropogenic disturbances, and increasing requirements for compliance with environmental regulations. The U.S. Department of Defense (DoD) intends to enhance and sustain its training and testing assets and to optimize its stewardship of natural resources through the development and application of an ecosystem-based management approach on DoD installations. To accomplish this goal, particularly for installations in estuarine/coastal environments, the Strategic Environmental Research and Development Program (SERDP) launched the Defense Coastal/Estuarine Research Program (DCERP) as a minimum 10-year effort at Marine Corps Base Camp Lejeune (MCBCL) in North Carolina. The results of the first six years of the program (DCERP1) are presented here.The overarching objectives of DCERP are to: (1) understand the effects of military training activities, infrastructure development, and other coastal military installations; (2) develop models, tools, and indicators to evaluate ecosystem health; and (3) recommend adaptive management strategies to sustain ecosystem natural resources within the context of an active military installation.This data package includes seismic sub-bottom profile data are from the shallow (-2 to -11.5m, NAVD88) nearshore region of Onslow Beach. Data were collected in 2007 using a high-resolution Edgetech Chirp 512i (average resolution of 10-20cm). The position of each data point was related to NAD83 using RTK-GPS. Data were collected at a frequency range of 0.5-8 kHz. Heave is apparent in the seismic profiles because no swell filter was applied during acquisition or post-processing. Post-processing was performed using Chesapeake Technology SonarWiz MAP5. Georeferenced .sd files (datums: UTM, Zone 18N, meters & NAVD88, meters) were generated using IVS Fledermaus Pro ver. 7.

54 ENVIRONMENTAL SCIENCES↗

DOE OSTI2013

Marine Corps Base Camp Lejeune New River estuary wave height

54 ENVIRONMENTAL SCIENCES↗

DOE OSTI2013

Marine Corps Base Camp Lejeune New River Estuary Shoreline Characterization

Critical military training and testing on lands along the nation’s coastal and estuarine shorelines are increasingly placed at risk because of development pressures in surrounding areas, impairments due to other anthropogenic disturbances, and increasing requirements for compliance with environmental regulations. The U.S. Department of Defense (DoD) intends to enhance and sustain its training and testing assets and to optimize its stewardship of natural resources through the development and application of an ecosystem-based management approach on DoD installations. To accomplish this goal, particularly for installations in estuarine/coastal environments, the Strategic Environmental Research and Development Program (SERDP) launched the Defense Coastal/Estuarine Research Program (DCERP) as a minimum 10-year effort at Marine Corps Base Camp Lejeune (MCBCL) in North Carolina. The results of the first six years of the program (DCERP1) are presented here.The overarching objectives of DCERP are to: (1) understand the effects of military training activities, infrastructure development, and other coastal military installations; (2) develop models, tools, and indicators to evaluate ecosystem health; and (3) recommend adaptive management strategies to sustain ecosystem natural resources within the context of an active military installation.This shapefile consists of the 2004 shoreline that was edited in the field in order to characterize the shoreline. The data was edited within ArcGIS, using GPS equipment to obtain the position of the boat relative to the shoreline. Fields were created for the shapefile including, Shoreline type, vegetation/species type, shoreline modification type, and relief. A unique identification code was created by concatenating the four field values of the four fields. A new field Veg_2 was added in January 2013 to code the vegetation and shoreline type.

54 ENVIRONMENTAL SCIENCES↗

DOE OSTI2013

Marine Corps Base Camp Lejeune New River Estuary Marsh Area (2010)

Critical military training and testing on lands along the nation’s coastal and estuarine shorelines are increasingly placed at risk because of development pressures in surrounding areas, impairments due to other anthropogenic disturbances, and increasing requirements for compliance with environmental regulations. The U.S. Department of Defense (DoD) intends to enhance and sustain its training and testing assets and to optimize its stewardship of natural resources through the development and application of an ecosystem-based management approach on DoD installations. To accomplish this goal, particularly for installations in estuarine/coastal environments, the Strategic Environmental Research and Development Program (SERDP) launched the Defense Coastal/Estuarine Research Program (DCERP) as a minimum 10-year effort at Marine Corps Base Camp Lejeune (MCBCL) in North Carolina. The results of the first six years of the program (DCERP1) are presented here.The overarching objectives of DCERP are to: (1) understand the effects of military training activities, infrastructure development, and other coastal military installations; (2) develop models, tools, and indicators to evaluate ecosystem health; and (3) recommend adaptive management strategies to sustain ecosystem natural resources within the context of an active military installation.This shapefile data consist of merged data using ArcGIS 10.0. The output shapefile covers the marsh area data from two files; NRE_marsh_2009, and ICW_marsh_2012_extended. The base maps were digitized from 1989, 2004 and 2009 imagery. The output data consist of polygons with header descriptions. These polygons were used to estimate marsh area present aboard Marine Carps Base Camp Lejeune.

54 ENVIRONMENTAL SCIENCES↗

DOE OSTI2011

A Review of Underground Coal Gasification Field Tests Sponsored by the U.S. Department of Energy

The United States Department of Energy (DOE)and its predecessors funded and managed an Underground Coal Gasification (UCG) research and development program during the 1970’s and 1980’s. The centerpiece was a series of UCG field tests run by several major institutions over two decades. This field-test program provided the main players who ran these tests the time and continuity to move up the learning curve and develop experience, knowledge, understanding, capabilities, and improved technologies.

01 COAL, LIGNITE, AND PEAT↗

DOE OSTI2016

Programmable Nanocomposite Membranes for Ion-Based Electrical Energy Storage

This report describes a new, bio-inspired approach to electrical energy storage, based on the generation, maintenance, and discharge of ion concentration gradients. This approach was investigated as part of a Laboratory Directed Research and Development program at Sandia National Laboratories in Albuquerque, NM between October 2012 and September 2015. In particular, this report describes the development of ion-selective nanoporous membranes, controlled through pore morphology and Sandia-developed electrochemical functionalization. In addition, it describes a potential avenue to functionalize synthetic polymer membranes in a way that facilitates oriented ion pump binding to polymer surfaces. Finally, it highlights a number of new computational findings central to the understanding and ultimate design of synthetic ion channels and ion gates needed for biomimetic ion-based electrochemical energy storage.

25 ENERGY STORAGE↗

DOE OSTI2022

White Paper on Leading-Edge technology And Feasibility-directed (LEAF) Program aimed at readiness demonstration for Energy Frontier Circular Colliders (pp, μμ) by the next decade

In this White Paper for the Snowmass 2021 Process, we propose the establishment of a magnet Leading-Edge technology And Feasibility-directed Program (LEAF Program) to achieve readiness for a future collider decision on the timescale of the next decade. The LEAF Program would rely on, and be synergetic with, generic R&D efforts presently covered - in the US - by the Magnet Development Program (MDP), the Conductor Procurement and R&D (CPRD) Program and other activities in the Office of HEP supported by Early Career Awards (ECA) or Lab Directed R&D (LDRD) funds. Where possible, ties to synergetic efforts in other Offices of DOE or NSF are highlighted and suggested as wider Collaborative efforts on the National scale. International efforts are also mentioned as potential partners in the LEAF Program. We envision the LEAF Program to concentrate on demonstrating the feasibility of magnets for muon colliders as well as next generation high energy hadron colliders, pursuing, where necessary and warranted by the nature of the application, the transition from R&D models to long models/prototypes. The LEAF Program will naturally drive accelerator-quality and experiment-interface design considerations. LEAF will also concentrate, where necessary, on cost reduction and/or industrialization steps.

43 PARTICLE ACCELERATORS↗

NASA NTRS1974

Earth Observatory Satellite system definition study. Report no. 3: Design/cost tradeoff studies

The key issues in the Earth Observatory Satellite (EOS) program which are subject to configuration study and tradeoff are identified. The issue of a combined operational and research and development program is considered. It is stated that cost and spacecraft weight are the key design variables and design options are proposed in terms of these parameters. A cost analysis of the EOS program is provided. Diagrams of the satellite configuration and subsystem components are included.

Source record↗

NASA NTRS1985

Phenomena Simulation for Heavy Doping and Surface Recombination Velocity

The theoretical models now available that characterize heavily doped (highly conducting) regions in silicon are survyed. Analytical and numerical approaches that determine the influence of such regions on the conversion efficiency of solar cells are examined. Although dilutely doped silicon is well characterized except for some disagreement about optical absorption coefficients, what exists now for heavily doped silicon and its interplay with adjoining regions is an incomplete theory in which not all contributers to transport, recombination, generation, and trapping are defined. Further, the parameters relating to these mechanisms and their values as determined by experiment are subject to various interpretations. The characterization of heavily doped silicon is treated not as a theory but rather as an imperfectly articulated and incompletely formalized body of experience. This view is intended to help point the way toward the attainment of a more complete of heavily doped silicon and thereby toward more informed designs of solar cells. Because computer programs constitute tools both for design and for estimating performance limits, the review includes some remarks pertinent to existing and developing programs.

Lindholm, F. A.↗

NASA NTRS1986

Space station 20-kHz power management and distribution system

During the conceptual design phase a 20-kHz power distribution system was selected as the reference for the space station. The system is single-phase 400 VRMS, with a sinusoidal wave form. The initial user power level will be 75 kW with growth to 300 kW. The high-frequency system selection was based upon considerations of efficiency, weight, safety, ease of control, interface with computers, and ease of paralleling for growth. Each of these aspects will be discussed as well as the associated trade-offs involved. An advanced development program has been instituted to accelerate the maturation of the high-frequency system. Some technical aspects of the advanced development will be discussed.

Hansen, I. G.↗