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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 1,657 records · Page 92
All sourcesNASA NTRSDOE OSTI
DOE OSTI2013

Integrated Systems-Based Approach to Monitoring Environmental Remediation

The US Department of Energy (DOE) is responsible for risk reduction and cleanup of its nuclear weapons complex. Remediation strategies for some of the existing contamination use techniques that mitigate risk, but leave contaminants in place. Monitoring to verify remedy performance and long-term mitigation of risk is a key element for implementing these strategies and can be a large portion of the total cost of remedy implementation. Especially in these situations, there is a need for innovative monitoring approaches that move away from the cost and labor intensive point-source monitoring. A systems-based approach to monitoring design focuses monitoring on controlling features and processes to enable effective interpretation of remedy performance.

environmental remediation↗
DOE OSTI2014

Shape memory system with integrated actuation using embedded particles

A shape memory material with integrated actuation using embedded particles. One embodiment provides a shape memory material apparatus comprising a shape memory material body and magnetic pieces in the shape memory material body. Another embodiment provides a method of actuating a device to perform an activity on a subject comprising the steps of positioning a shape memory material body in a desired position with regard to the subject, the shape memory material body capable of being formed in a specific primary shape, reformed into a secondary stable shape, and controllably actuated to recover the specific primary shape; including pieces in the shape memory material body; and actuating the shape memory material body using the pieces causing the shape memory material body to be controllably actuated to recover the specific primary shape and perform the activity on the subject.

36 MATERIALS SCIENCE↗
DOE OSTI2016

Integrated Earth System Model (iESM)

The iESM is a simulation code that represents the physical and biological aspects of Earth's climate system, and also includes the macro-economic and demographic properties of human societies. The human aspect of the simulation code is focused in particular on the effects of human activities on land use and land cover change, but also includes aspects such as energy economies. The time frame for predictions with iESM is approximately 1970 through 2100.

Thornton, Peter Edmond↗
DOE OSTI2019

Clean Energy Technologies for Economic Transitions

Energy systems across the world are undergoing fundamental transformations. Electricity and heat production is becoming cleaner and more distributed, driven by declining energy prices and higher technology efficiencies, as well as a desire to reduce environmental impact. The technologies that produce clean energy, such as solar photovoltaic panels, wind turbines, and lithium ion batteries for vehicles and storage, depend less on fuel costs and more on technology costs and global manufacturing and trade. Therefore, innovations in technology manufacturing, systems integration, and deployment can reduce costs of materials, equipment, labor, operations, and transportation, across all the links in the energy supply chain. The clean energy trends are expected to continue and perhaps grow through expansion of clean energy technologies for industrial and transportation sectors, although there are many possible future scenarios due to the diversity of resources and societal objectives in different communities, countries, and regions. This presentation will summarize the status and potential futures of key clean energy technologies and their manufacturing, deployment, and integration with other energy systems and sectors.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2019

Clean Energy Technologies for Economic and Environmental Transitions

Energy systems across the world are undergoing fundamental transformations. Electricity and heat production are becoming cleaner and more distributed, driven by declining energy prices and higher technology efficiencies, as well as a desire to reduce environmental impact. The technologies that produce clean energy, such as solar photovoltaic panels, wind turbines, and lithium ion batteries for vehicles and storage, depend less on fuel costs and more on technology costs and global manufacturing and trade. Therefore, innovations in technology manufacturing, systems integration, and deployment can reduce costs of materials, equipment, labor, operations, and transportation, across all the links in the energy supply chain. The clean energy trends are expected to continue and perhaps grow through expansion of clean energy technologies for industrial and transportation sectors, although there are many possible future scenarios due to the diversity of resources and societal objectives in different communities, countries, and regions. This presentation will summarize the status and potential futures of key clean energy technologies and their manufacturing, deployment, and integration with other energy systems and sectors.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2019

H2@Scale: Hydrogen Integrating Energy Systems

H2@Scale is a concept where hydrogen is an energy intermediate that complements the electricity grid and natural gas system. Hydrogen can be a valuable feedstock for oil and biofuel refining, ammonia production, steel production, and converting carbon dioxide to valuable products due to its chemical properties. It can also be a valuable energy carrier for transportation because it can be fast-filled, stored energy on fuel cell electric vehicles as well as providing storage for the grid. In addition, hydrogen is one of the few non-carbon emitting options to achieve high temperatures needed in industrial processes. If a hydrogen demand is available, hydrogen can be economically produced from variable renewable electricity (e.g., wind, photovoltaic solar) thus increasing the economically viable penetrations of those generation technologies. Likewise, hydrogen is an alternative product that can provide revenue to economically challenged nuclear power plants. This presentation summarizes the demand potential for hydrogen, the technical potential of resources that could be used to produce it, and a number of economic potential scenarios that identify key markets and technology development necessary to compete in them.

08 HYDROGEN↗