Search Results - "Tromm, W"

Effect of temperature gradient on chemical element partitioning in corium pool during in-vessel retention by Khabensky, V.B., Granovsky, V.S., Almjashev, V.I., Vitol, S.A., Krushinov, E.V., Kotova, S.Ju, Sulatsky, A.A., Gusarov, V.V., Bechta, S.V., Barrachin, M., Bottomley, D., Fischer, M., Hellmann, S., Piluso, P., Miassoedov, A., Tromm, W.

“…•Simple equations for temperature gradients in liquid-solid systems are given.•The models are compared with data from METCOR, METCOR-P, MASCA projects.•A model…”
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Ranking of severe accident research priorities by Schwinges, B., Journeau, C., Haste, T., Meyer, L., Tromm, W., Trambauer, K.

“…The objectives of the SARNET network are to define common research programmes in the field of severe accidents and to develop common computer tools and…”
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Oxidation kinetics of corium pool by Sulatsky, A.A., Smirnov, S.A., Granovsky, V.S., Khabensky, V.B., Krushinov, E.V., Vitol, S.A., Kotova, S.Yu, Fischer, M., Hellmann, S., Tromm, W., Miassoedov, A., Bottomley, D., Piluso, P., Barrachin, M.

“…•The analysis of experimental data on molten corium oxidation was been carried out.•The analysis has revealed the main factors influencing the oxidation…”
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Phase diagram of the UO2–FeO1+x system by Bechta, S V, Krushinov, E V, Almjashev, V I, Vitol, S A, Mezentseva, L P, Petrov, Yu B, Lopukh, D B, Khabensky, V B, Barrachin, M, Hellmann, S, Froment, K, Fisher, M, Tromm, W, Bottomley, D, Defoort, F, Gusarov, V V

“…Phase-relation studies of the UO2-FeO1+x system in an inert atmosphere are presented. The eutectic point has been determined, which corresponds to a…”
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Phase diagram of the ZrO2–FeO system by Bechta, S.V., Krushinov, E.V., Almjashev, V.I., Vitol, S.A., Mezentseva, L.P., Petrov, Yu.B., Lopukh, D.B., Khabensky, V.B., Barrachin, M., Hellmann, S., Froment, K., Fischer, M., Tromm, W., Bottomley, D., Defoort, F., Gusarov, V.V.

“…The results on the ZrO2-FeO system studies in a neutral atmosphere are presented. The refined eutectic point has been found to correspond to a ZrO2…”
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VVER vessel steel corrosion at interaction with molten corium in oxidizing atmosphere by Bechta, S.V., Granovsky, V.S., Khabensky, V.B., Krushinov, E.V., Vitol, S.A., Sulatsky, A.A., Gusarov, V.V., Almiashev, V.I., Lopukh, D.B., Bottomley, D., Fischer, M., Piluso, P., Miassoedov, A., Tromm, W., Altstadt, E., Fichot, F., Kymalainen, O.

“…The long-term in-vessel corium retention (IVR) in the lower head bears a risk of the vessel wall deterioration caused by steel corrosion. The ISTC METCOR…”
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Corrosion of vessel steel during its interaction with molten corium by Bechta, S.V., Khabensky, V.B., Vitol, S.A., Krushinov, E.V., Granovsky, V.S., Lopukh, D.B., Gusarov, V.V., Martinov, A.P., Martinov, V.V., Fieg, G., Tromm, W., Bottomley, D., Tuomisto, H.

“…This paper is concerned with corrosion of a cooled vessel steel structure interacting with molten corium in air and neutral (nitrogen) atmospheres during an…”
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Corrosion of vessel steel during its interaction with molten corium by Bechta, S.V., Khabensky, V.B., Vitol, S.A., Krushinov, E.V., Granovsky, V.S., Lopukh, D.B., Gusarov, V.V., Martinov, A.P., Martinov, V.V., Fieg, G., Tromm, W., Bottomley, D., Tuomisto, H.

“…An experimental examination of the cooled vessel steel corrosion during the interaction with molten corium is presented. The experiments have been conducted on…”
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Corium spreading and coolability: CSC Project by Cognet, G, Alsmeyer, H, Tromm, W, Magallon, D, Wittmaack, R, Sehgal, B.R, Widmann, W, De Cecco, L, Ocelli, R, Azarian, G, Pineau, D, Spindler, B, Fieg, G, Werle, H, Journeau, C, Cranga, M, Laffont, G

“…In the context of severe accidents, large R&D efforts throughout the world are currently directed towards ex-vessel corium behaviour. Among the mitigation…”
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KIT reactor safety research for LWRs: Research lines, numerical tools, and prospects by Sanchez-Espinoza, V.H., Gabrielli, F., Imke, U., Zhang, K., Mercatali, L., Huaccho, G., Duran, J., Campos, A., Stakhanova, A., Murat, O., Mercan, A.K., Etcheto, J., Steinbrück, M., Stuckert, J., Gabriel, S., Ottenburger, S., Stieglitz, R., Tromm, W.

“…•Unique computational routes for safety assessment and radiological risk estimation.•High-fidelity coupled tools based on Monte Carlo with static and dynamic…”
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Experiments for a core catcher concept based on water addition from below by Tromm, W., Alsmeyer, H.

“…A core catcher concept is proposed to be integrated into a new PWR design based on the standard German PWR. The core catcher achieves coolability by spreading…”
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Controlling and cooling core melts outside the pressure vessel by Alsmeyer, H, Albrecht, G, Fieg, G, Stegmaier, U, Tromm, W, Werle, H

“…For future reactors, the control and cooling of ex-vessel corium melts is under consideration to increase the passive safety features even for very unlikely…”
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Concept of a core cooling system and experiments performed by Alsmeyer, H., Tromm, W.

“…One of the problems which must be solved in severe accidents is the melt-concrete interaction which does occur when the core debris penetrates the lower…”
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BETA experiments on melt-concrete interaction: the role of zirconium and the potential sump water contact during core melt-down accidents by Alsmeyer, H., Adelhelm, C., Dillmann, H.-G., Foit, J.J., Heinle, M., Ratajczak, W., Schneider, H., Schumacher, G., Skokan, A., Stiefel, S., Tromm, W.

“…In the BETA test facility of Kernforschungszentrum Karlsruhe, prototypical core melts can be simulated in concrete structures sufficient in size to allow a…”
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Corrosion of vessel steel during its interaction with molten corium: Part 1. Experimental by Bechta, Sevostian, Khabensky, V.B., Vitol, S.A, Krushinov, E.V., Granovsky, V.S., Lopukh, D.B., Gusarov, V.V., Martinov, A.P., Fieg, G., Tromm, W., Bottomley, D., Tuomisto, H.

“…This paper is concerned with corrosion of a cooled vessel steel structure interacting with molten corium in air and neutral (nitrogen) atmospheresduring an…”
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Corrosion of vessel steel during its interaction with molten corium: Part 2. Model development by Bechta, Sevostian, Khabensky, V.B., Vitol, S.A, Krushinov, E.V., Granovsky, V.S., Lopukh, D.B., Gusarov, V.V., Martinov, A.P., Fieg, G., Tromm, W., Bottomley, D., Tuomisto, H.

“…An experimental examination of the cooled vessel steel corrosion during the interaction with molten corium is presented. The experiments havebeen conducted on…”
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Phase diagram of the UO 2–FeO 1+ x system by Bechta, S.V., Krushinov, E.V., Almjashev, V.I., Vitol, S.A., Mezentseva, L.P., Petrov, Yu.B., Lopukh, D.B., Khabensky, V.B., Barrachin, M., Hellmann, S., Froment, K., Fisher, M., Tromm, W., Bottomley, D., Defoort, F., Gusarov, V.V.

“…Phase-relation studies of the UO 2–FeO 1+ x system in an inert atmosphere are presented. The eutectic point has been determined, which corresponds to a…”
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Phase diagram of the ZrO 2–FeO system by Bechta, S.V., Krushinov, E.V., Almjashev, V.I., Vitol, S.A., Mezentseva, L.P., Petrov, Yu.B., Lopukh, D.B., Khabensky, V.B., Barrachin, M., Hellmann, S., Froment, K., Fischer, M., Tromm, W., Bottomley, D., Defoort, F., Gusarov, V.V.

“…The results on the ZrO 2–FeO system studies in a neutral atmosphere are presented. The refined eutectic point has been found to correspond to a ZrO 2…”
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Phase transformation in the binary section of the UO2-FeO-Fe system by Beshta, S. V., Krushinov, E. V., Al’myashev, V. I., Vitol’, S. A., Mezentseva, L. P., Petrov, Yu. B., Lopukh, D. B., Lomanova, N. A., Khabenskii, V. B., Barrachin, M., Hellmann, S., Froment, K., Fisher, M., Tromm, W., Bottomley, D., Gusarov, V. V.

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Phase transformation in the binary section of the UO 2 -FeO-Fe system by Bechta, Sevostian, Krushinov, E.V., Almjashev, V.I., Vitol, S.A, Mezentseva, L.P., Petrov, Yu.B., Lopukh, D.B., Lomanova, N.A., Khabensky, V.B., Barrachin, M., Hellmann, S., Froment, K., Fischer, M., Tromm, W., Bottomley, D., Gusarov, V.V.

“…Phase transformations in the oxide binary section of the UO 2 -FeO-Fe ternary system were studied. The melting onset point of the UO 2 -FeO heterogeneous…”
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