The Technology Readiness Level (TRL) process is used to quantitatively assess the maturity of a given technology. The TRL process has been developed and successfully used by the Department of Defense (DOD) for development and deployment of new technology and systems for defense applications. In addition, NASA has also successfully used the TRL process to develop and deploy new systems for space applications.Advanced nuclear fuels and materials development is a critical technology needed for closing the nuclear fuel cycle. Because the deployment of a new nuclear fuel forms requires a lengthy and expensive research, development, and demonstration program, applying the TRL concept to the advanced fuel development program is very useful as a management and tracking tool. This report provides definition of the technology readiness level assessment process as defined for use in assessing nuclear fuel technology development for the Advanced Fuel Campaign (AFC).
Concentration of Am species in solution as measured by visible spectroscopy over time during a controlled-potential electrolysis at 1.8 V vs. Ag/AgCl using a ligandmodified high-surface-area working electrode, a Pt foil counter, and a Ag/AgCl wire as a reference electrode. The aqueous electrolyte was 0.1 M nitric acid and 0.95 M sodium nitrate. The working-and counter-electrode areas were separated by a fine glass frit.
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The Advanced Fuels Campaign (AFC) under the Fuel Cycle Research and Development (FCRD) program is responsible for developing fuels technologies to support the various fuel cycle options defined in the DOE Nuclear Energy Research and Development Roadmap, Report to Congress, April 2010. The fiscal year 2010 (FY 2010) accomplishments report provides a highlight of the results of the research and development (R&D) efforts performed within AFC in FY 2010. Each section contains a high-level overview of the activities, results, technical point of contact and applicable references. In this report, the word fuel is used to include fissile and fertile fuels, targets, and their associated cladding materials. While this report provides a brief summary of the campaign management and integration activities, the focus is on the technical accomplishments. In FY 2010, the AFC transitioned to a "goal-oriented science-based approach" as opposed to a rapid, empirically-based demonstration program that was the focus of the campaign activities in the previous years. The science-based approach is aimed at a fundamental understanding of the fuel fabrication methods and fuel performance in the reactor, enabling the pursuit of multiple fuel forms for the future fuel cycle options. The science-based approach comprises fundamental experiments, theory and advanced modeling and simulation. The modeling and simulation activities for fuel performance are carried out under the Nuclear Energy Advanced Modeling and Simulation (NEAMS) program and the AFC activities are closely coordinated with the NEAMS team. AFC management and integration activities included continued support for International collaborations, primarily with France, Japan, European Union, Republic of Korea and China. Various working group and expert group activities in International Agencies (OECD/NEA, IAEA) also were supported. Campaign management documents (implementation and execution plans) were published, along with a separate effects testing R&D plan. In this category, the major accomplishment was the solicitation of innovative fuel ideas from National laboratories and selection of 10 concepts for feasibility R&D plan development. Funding was provided for the top-ranking three concepts after an independent peer review. Quarterly campaign meetings focused on monitoring the progress in transitioning to the science-based approach and in assuring that a balanced approach is being applied to the development of evolutionary and revolutionary methods for fuel development. The technical accomplishments are reported under the following R&D categories: x Metal-Based Fuels Technologies x Ceramic-Based Fuels Technologies x Coated Particle Fuels Technologies x Core Materials Technologies x Irradiation Testing Technologies. Under Metal-Based Fuels Technologies, activities continued for high-purity neptunium (Np) and Americium (Am) metal feedstock preparation. A high temperature apparatus was fabricated and tested with surrogate (manganese) for Am feedstock preparation. High purity (97% pur...
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