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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 1,729 records · Page 96
All sourcesNASA NTRSDOE OSTI
DOE OSTI2018

Sandwich gasification process for high-efficiency conversion of carbonaceous fuels to clean syngas with zero residual carbon discharge

The present invention discloses a gasifier and/or a gasification process that provides a long, uniform temperature zone in the gasifier, regardless of the particle size, chemical composition, and moisture content of the fuel by sandwiching a reduction zones between two oxidation zones. The gasifier and/or gasification process has a char that is more energy-dense and almost devoid of moisture that affords for an additional (or char) oxidation zone with a temperature that is higher than a first oxidation zone which is closer to a evaporation and devolatilization zone. As such, the additional (or char) oxidation zone contributes to augmenting the reduction zone temperature, thereby providing a favorable dual impact in improving syngas composition and near-complete conversion of the tar.

30 DIRECT ENERGY CONVERSION↗
DOE OSTI2019

Co-Optimization of Fuels & Engines: Scientific Innovation for Efficient, Clean, and Affordable Transportation

While vehicles are becoming more efficient, the properties of conventional fuels continue to limit the performance of internal combustion engines in most cars and trucks currently on U.S. roads. The Department of Energy (DOE) Co-Optimization of Fuels & Engines (Co-Optima) initiative is bringing together top scientists, engineers, and analysts from nine national laboratories with more than 20 university and industry partners across the country to investigate fuels and engines as dynamic design variables that can work together to boost efficiency and performance, while minimizing emissions. Applications include the entire on-road fleet, from light-duty (LD) passenger cars to heavy-duty (HD) freight trucks. The objective scientific outcomes of this initiative will provide American industry and policymakers with the knowledge, data, and tools needed to decide which changes could prove most viable and beneficial for drivers, businesses, and the environment. Potential benefits include dramatic improvements in vehicle fuel economy and increases in the use of domestically sourced fuel for transportation, in turn creating new U.S. jobs and keeping energy dollars in the United States, while reducing emissions and costs for consumers and commercial operators at the pump.

09 BIOMASS FUELS↗
DOE OSTI2019

Moving Toward a Circular Economy of Materials for Clean Manufacturing

A presentation for the JISEA annual meeting about circular economy for energy materials including: Focus on energy technologies and their materials; Attention to product design and maintaining/enhancing reliability, durability, performance; Beginning with recycling-focused efforts applied to specific energy technologies, and developing a more comprehensive, integrated strategy.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2019

Minimizing Transuranic Waste Generated in Hot Cells at Oak Ridge National Laboratory Through Use of a Non-Destructive CO2 Pellet Cleaning System

Wastes generated in shielded hot cells containing materials contaminated with transuranic (TRU) waste present unique problems in waste disposal at Department of Energy (DOE) sites. Reduction of the TRU waste footprint is desirable from a disposal cost perspective due to constraints with RH waste processing and a lack of space availability at the WIPP. Segregation of waste through a pelletized CO2 system provides a viable method this goal.

Ford, Mark↗
DOE OSTI2018

New Materials for Clean Energy Technologies

What does a successful innovation pipeline look like? It starts with fundamental research into properties of materials important for energy technologies, supported by the Basic Energy Sciences (BES) office of DOE. Potentially important discoveries are passed on to applied research supported by DOE’s Energy Efficiency and Renewable Energy (EERE) office, which often partners with or licenses technology to private sector entities. The process usually takes two or three decades, but has repeatedly resulted in the commercialization of new energy technologies.

36 MATERIALS SCIENCE↗
DOE OSTI2018

Cleaning Up Nuclear Wastes

Environmental management is a key DOE mission, in large part because decades of nuclear weapons production and nuclear energy research have left behind huge quantities of radioactive waste. Most of the radioactivity in the waste, however, comes from the element cesium, which is just a tiny fraction of the total waste. An alert research chemist at Oak Ridge National Laboratory, Bruce Moyer, recognized that if cesium could be removed, dealing with the wastes would be much easier and safer. Moyer also was aware of a potential solution—fundamental research into organic molecules that can recognize and capture metal atoms like cesium, some of it supported by the Basic Energy Sciences (BES) office of DOE. With BES support, he put together a team that, over a decade, showed the potential of this approach. Subsequent support by DOE’s Environmental Management Office allowed the team to work out the practical details.

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗
DOE OSTI2018

Turning Semiconductors into Clean Energy Technologies

Semiconductor technology is what has powered the IT revolution, providing ever smaller, less expensive chips. Less well known are newer semiconductor technologies that are transforming the lighting industry and creating super-efficient solar cells to power smart watches, smart buildings, and smart highways. This second semiconductor revolution is based on several decades of fundamental research supported by the DOE Basic Energy Sciences office into the properties of semiconductor materials and applied research by the DOE Energy Efficiency and Renewable Energy office into novel processes for manufacturing practical devices.

14 SOLAR ENERGY↗