Search Results - "Evins, L. Z."

Spent fuel corrosion and the impact of iron corrosion – The effects of hydrogen generation and formation of iron corrosion products by Puranen, A., Barreiro, A., Evins, L.-Z., Spahiu, K.

“…Canister designs for deep geological disposal of spent nuclear fuel typically involve large amounts of iron. Canister failure will likely involve corrosion of…”
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Rapid aqueous release of fission products from high burn-up LWR fuel: Experimental results and correlations with fission gas release by Johnson, L., Günther-Leopold, I., Kobler Waldis, J., Linder, H.P., Low, J., Cui, D., Ekeroth, E., Spahiu, K., Evins, L.Z.

“…► We study aqueous release of 137Cs and 129I from high burnup spent fuel. ► Fractional releases decrease in the sequence fission gas release > 129I > 137Cs. ►…”
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Ab Initio Atomistic Thermodynamics of Water Reacting with Uranium Dioxide Surfaces by Maldonado, P, Evins, L. Z, Oppeneer, P. M

“…Using first-principles simulations, we study the temperature- and pressure-dependent adsorption reaction of water on the flat (111) and (211) and (221) stepped…”
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Effect of surface orientation on dissolution rates and topography of CaF2 by Godinho, J.R.A., Piazolo, S., Evins, L.Z.

“…This paper reports how during dissolution differences in surface chemistry affect the evolution of topography of CaF2 pellets with a microstructure similar to…”
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Ab Initio Prediction of Surface Stability of Fluorite Materials and Experimental Verification by Maldonado, P., Godinho, J. R. A., Evins, L. Z., Oppeneer, P. M.

“…Utilizing first-principle simulations [based on density functional theory (DFT) corrected for on-site Coulomb interactions (DFT+U)], we develop a model to…”
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Leaching of spent nuclear fuels in aerated conditions: Influences of sample preparation on radionuclide release patterns by Roth, O., Cui, D., Askeljung, C., Puranen, A., Evins, L.Z., Spahiu, K.

“…The release of radionuclides from spent nuclear fuel upon contact with water is a central issue for the assessment of the safety of geological disposal…”
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A major sulphur isotope event at c. 510 Ma: a possible anoxia-extinction-volcanism connection during the Early-Middle Cambrian transition? by Hough, M.L., Shields, G.A., Evins, L.Z., Strauss, H., Henderson, R.A., Mackenzie, S.

“…A new approach to constraining seawater δ34S and sulphate concentration using francolite‐bound sulphate reveals an abrupt increase in δ34S to +50‰ around the…”
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Very high burnup spent fuel corrosion & leaching under hydrogen conditions by Puranen, A., Evins, L-Z., Barreiro, A., Roth, O., Spahiu, K.

“…This paper concerns a very high burnup UO2 spent nuclear fuel leaching experiment performed under high hydrogen pressure conditions (5 MPa H2 initially) in…”
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Effect of surface orientation on dissolution rates and topography of CaF by Godinho, J.R.A, Piazolo, S, Evins, L.Z

“…This paper reports how during dissolution differences in surface chemistry affect the evolution of topography of CaF₂ pellets with a microstructure similar to…”
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Uraninite recrystallization and Pb loss in the Oklo and Bangombé natural fission reactors, Gabon by Evins, Lena Z., Jensen, Keld A., Ewing, Rodney C.

“…The Oklo and Bangombé natural fossil fission reactors formed ca. 2 Ga ago in the Franceville basin, Gabon. The response of uraninite in the natural reactors to…”
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