HTGR Knowledge Base

IWGGCR--13: Fission product release and transport in gas-cooled reactors

Specialists' meeting on fission product release and transport in gas-cooled reactors Berkeley (United Kingdom) 22-25 Oct 1985

International Atomic Energy Agency, International Working Group on Gas-Cooled Reactors, Vienna (Austria), IWGGCR--13

Abstract

The purpose of the Meeting on Fission Product Release and Transport in Gas-Cooled Reactors was to compare and discuss experimental and theoretical results of fission product behaviour in gas-cooled reactors under normal and accidental conditions and to give direction for future development. The technical part of the meeting covered operational experience and laboratory research, activity release, and behaviour of released activity.

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Articles

Comparison of predicted and measured fission product behaviour in the Fort St. Vrain HTGR during the first three cycles of operation
Hanson, D.L.; Jovanovic, V.; Burnette, R.D. (GA Technologies Inc., San Diego, CA (United States))

Operational monitoring of the release behaviour of the AVR core
Wawrzik, U.; Ivens, G. (Arbeitsgemeinschaft Versuchsreaktor AVR, Juelich (Germany))

The release of iodine from HTR fuel under steady-state and transient conditions
Christ, A. (Hochtemperatur Reaktorbau GmbH, Mannheim (Germany)); Mehner, W.; Schenk, W. (KFA Juelich (Germany))

Research on in-pile release of fission products from coated particle fuels
Fukuda, K.; Iwamoto, K. (Department of Fuels and Materials Research, Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken (Japan))

In pile helium loop ''Comedie''
Blanchard, R.J. (CEN, Grenoble (France))

In-pile tests of HTGR fuel particles and fuel elements
Chernikov, A.S.; Kolesov, V.S.; Deryugin, A.I. (I.V. Kurchatov Institute of Atomic Energy, Moscow (Russian Federation))

Background iodine in a commercial advanced gas-cooled reactor
Garland, J.A.; Wiffen, R.D. (AERE Harwell, Oxon (United Kingdom)); Webster, D. (Hinkley Point Power Station, Somerset (United Kingdom))

Experience of iodine, caesium and noble gas release from AGR failures
Chapman, C.J.; Harris, A.M.; Phillips, M.E. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))

Bubble development and fission gas release during rapid heating of 18 GWd/TeU UO2
Small, G.J. (Materials Development Division, AERE Harwell (United Kingdom))

Release of fission products during and after oxidation of trace-irradiated uranium dioxide at 300-900 deg. C
Wood, P.; Bannister, G.H. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))

HTR fuel: prediction of fission product release in accidents
Nabielek, H.; Verfondern, K. (KFA Juelich (Germany)); Goodin, D.T. (GA Technologies (United States))

Fission product diffusion in fuel element materials for HTGR
Chernikov, A.S.; Khromov, Yu.F.; Lyutikov, R.A.; Gusev, A.A. (I.V. Kurchatov Institute of Atomic Energy, Moscow (Russian Federation))

The spherical fuel element as extremely effective barrier for fission products in the HTR module
Allelein, H.J.; Quade, U. (Interatom GmbH, Bergisch Gladbach (Germany))

Numerical analysis of the release of metallic fission product in high temperature gas-cooled reactor
Fujii, S.; Tsubosaka, A.; Niguma, Y. (Kawasaki Heavy Industries Ltd. (Japan)); Hirano, M.; Suzuki, K. (Japan Atomic Energy Research Institute (Japan))

The application of release models to the interpretation of rare gas coolant activities
Wise, C. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))

Control of the tritium path in process heat HTR's
Kirch, N.; Scheidler, G. (KFA Juelich (Germany))

Behaviour of particles in a commercial advanced gas-cooled reactor
Garland, J.A.; Wells, A.C.; Hedgecock, J.B. (AERE Harwell (United Kingdom))

Attachment of gaseous fission products to aerosols
Skyrme, G. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))

The variation of particle gas-borne concentration with time in a gas cooled reactor
Reed, J.; Hall, D.; Reeks, M.W. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))

Modelling of caesium deposition in CAGR reactor circuits
Phillips, M.E. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))

Modelling of iodine chemistry and plate-out in a CAGR
Clough, P.N.; Hood, E.M. (Safety and Reliability Directorate, UKAEA, Culcheth (United Kingdom))

Caesium deposition on HTR primary circuit materials
Roellig, K.; Christ, A.; Haase, F.W.; Wiedmann, J. (Hochtemperatur-Reaktorbau GmbH, Mannheim (Germany))

Monitoring experiment of gaseous fission products in the primary coolant helium of OGL-1
Terada, H.; Saruta, T.; Suzuki, K.; Wakayama, N.; Aoyama, I. (Japan Atomic Energy Research Institute, Tokai-mura, Naka-gun, Ibaraki-ken (Japan))

Fission product plate-out measurement of Oarai helium gas loop OGL-1
Tsuyuzaki, N.; Sasajima, H.; Endo, Y.; Itami, H. (Department of JMTR Project, Japan Atomic Energy Research Institute, Oarai Research Establishment (Japan)); Matsumoto, M. (Nuclear Engineering Co., Omika-cho, Hitachi-shi (Japan))

Sorption of fission products on graphite and its influence on their release behaviour in a pebble bed HTR under accident conditions
Verfondern, K.; Hilpert, K.; Moormann, R. (KFA Juelich (Germany))

Decontamination of CAGR gas circulator components
Rogers, L.N.; Hooper, A.J. (Central Electricity Generating Board, Berkeley Nuclear Laboratories (United Kingdom))