The influence of aspect ratio on the thermal performance of a cryogenic pulsating heat pipe
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Energy & Fuels↗
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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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Enabling high-strength cement-based materials for thermal energy storage via fly-ash cenosphere encapsulated phase change materials
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Construction & Building Technology↗
Transport properties of Fe-Ni-Si alloys at Earth's core conditions: Insight into the viability of thermal and compositional convection
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Zhang, Youjun (ORCID:0000000153404170)↗
Enhancing thermal management in a reversible solid oxide cell system utilizing thermal energy storage
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Hosseinpour, Javad↗
Altering the magnetic ordering of Fe[subscript 3]Ga[subscript 4] via thermal annealing and hydrostat
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Wilfong, Brandon↗
Spark plasma sintering-densified vanadinite apatite-based chlorine waste forms with high thermal stability and chlorine confinement
Not provided.
nuclear, defects, corrosion↗
Thermal conversion in air of rare-earth fluorides to rare-earth oxyfluorides and rare-earth oxides
Phase transformations of seven different rare-earth fluorides (i.e., REF3) where RE = La, Ce, Pr, Nd, Tm, Yb, Lu at temperatures ranging from 400–1400°C in air were investigated with X-ray diffraction. All of the REF3 compounds first transformed to oxyfluorides and then to oxides, with the exception of CeF3, which transformed directly to an oxide. This study focuses on the phase transitions of REF3 to REOx by simple heat-treatment processes in air and shows plausibility to remove RE elements from fluoride salt streams from molten salt reactors through fluoride-to-oxyfluoride or fluoride-to-oxide conversion mechanisms, which will result in precipitation. This could be used to remove fission product poisons from molten salt reactor waste streams. A waste form option for the resulting REOx products is lanthanide aluminoborosilicate (LABS) glass. To demonstrate this NdF3 was converted to Nd2O3 and immobilized in a LABS glass.
oxyfluoride, molten salt reactors, fluoride salt w↗