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2015 | 36 | 1 | 3-19
Tytuł artykułu

A Mechanistic Model of a Passive Autocatalytic Hydrogen Recombiner

Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
: A passive autocatalytic hydrogen recombiner (PAR) is a self-starting device, without operator action or external power input, installed in nuclear power plants to remove hydrogen from the containment building of a nuclear reactor. A new mechanistic model of PAR has been presented and validated by experimental data and results of Computational Fluid Dynamics (CFD) simulations. The model allows to quickly and accurately predict gas temperature and composition, catalyst temperature and hydrogen recombination rate. It is assumed in the model that an exothermic recombination reaction of hydrogen and oxygen proceeds at the catalyst surface only, while processes of heat and mass transport occur by assisted natural and forced convection in non-isothermal and laminar gas flow conditions in vertical channels between catalyst plates. The model accounts for heat radiation from a hot catalyst surface and has no adjustable parameters. It can be combined with an equation of chimney draft and become a useful engineering tool for selection and optimisation of catalytic recombiner geometry.
Wydawca

Rocznik
Tom
36
Numer
1
Strony
3-19
Opis fizyczny
Daty
wydano
2015-03-01
otrzymano
2014-09-23
poprawiono
2014-12-12
zaakceptowano
2014-12-18
online
2015-04-10
Twórcy
  • Warsaw University of Technology, Faculty of Chemical and Process Engineering, Waryńskiego 1, 00-645 Warszawa, Poland, a.rozen@ichip.pw.edu.pl
Bibliografia
  • Areva Inc., 2014. AREVA Passive autocatalytic recombiner, Retrieved in September 2014, from http://us.areva.com/home/liblocal/docs/Solutions/literature/G-008-V1PB-2011-ENG_ PAR_reader.pdf.
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  • Drinovac P., 2006. Experimental studies on catalytic hydrogen recombiners for light water reactors. PhD Thesis. RWTH Aachen University.
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  • Gera B., Sharma P.K., Singh R.K., 2012. 2D numerical simulation of passive autocatalytic recombiner for hydrogen mitigation. Heat Mass Transf., 48, 591-598. DOI 10.1007/s00231-011-0906-5.[Crossref][WoS]
  • Heitsch M., 2000. Fluid dynamic analysis of a catalytic recombiner to remove hydrogen. Nucl. Eng. Des., 201, 1-10. DOI: 10.1016/S0029-5493(00)00259-4.[Crossref]
  • IAEA-TECDOC-1196, 2001. Mitigation of hydrogen hazards in water cooled powered reactors. IAEA, Vienna.
  • IAEA-TECDOC-1661, 2011. Mitigation of hydrogen hazards in severe accidents in nuclear power plants. IAEA, Vienna.[WoS]
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  • Meynet N., Bentaib A., Giovangigli V., 2014. Impact of oxygen starvation on operation and potential gas-phase ignition of passive auto-catalytic recombiners. Combust. Flame, 161, DOI: 2192-2202.10.1016/j.combustflame.2014.02.001.[Crossref][WoS]
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  • Prabhudharwadkar D.M., Aghalayam P.A., Iyer K.N., 2011. Simulations of hydrogen mitigation in catalytic recombiner. Part-I: Surface chemistry modelling. Nucl. Eng. Des., 241, 1746-1757. DOI: 10.1016/j.nucengdes.2010.09.032.[Crossref]
  • Prabhudharwadkar D.M., Aghalayam P.A., Iyer K.N., 2011. Simulations of hydrogen mitigation in catalytic recombiner. Part-II: Formulation of the CFD model. Nucl. Eng. Des., 241, 1758-1767. DOI: 10.1016/j.nucengdes.2011.01.013.[Crossref]
  • Press W.H., Teukolski S.A., Vetterling W.T., Flannery B.P., 1992. Numerical recipes in C. The art of scientific computing. 2nd edition, Cambridge University Press, Cambridge.
  • Reinecke E.A., Boehm J., Drinovac P., Struth S., Tragsdorf I.M., 2005. Modelling of catalytic recombiners: Comparison of REKO-DIREKT calculations with REKO-3 experiments. International Conference Nuclear Energy for New Europe. Bled, Slovenia, September 5-8, 2005.
  • Reinecke E.A., Bentaib A., Kelm S., Jahn W., Meynet N., Caroli C., 2010. Open issues in the applicability of recombiner experiments and modelling to reactor simulations. Prog. Nucl. Energ., 52, 136-147. DOI:10.1016/j.pnucene.2009.09.010.[WoS][Crossref]
  • Rinnemo M., Deutschmann O., Behrendt F., Kasemo B., 1997. Experimental and numerical investigation of the catalytic ignition of mixtures of hydrogen and oxygen on platinum. Combust. Flame, 111, 312-326. DOI: 10.1016/S0010-2180(97)00002-3.[Crossref]
  • Rohsenow W.M., Hartnett J.P., Cho Y.I., 1998. Handbook of heat transfer. 3rd edition, McGraw-Hill Companies Inc., New York.
  • Rożeń A., 2013. Modelling of a passive catalytic recombiner for hydrogen mitigation by CFD methods. International Conference Nuclear Energy for New Europe. Slovenia, Bled, September 9-12, 2013.
  • Schefer R.W., 1982. Catalyzed combustion of H2/air mixtures in a flat plate boundary layer: II. Numerical model. Combust. Flame, 45, 171-190. DOI: 10.1016/0010-2180(82)90043-8.[Crossref]
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_cpe-2015-0001
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