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Computational Thermal Sciences: An International Journal

Publicou 6 edições por ano

ISSN Imprimir: 1940-2503

ISSN On-line: 1940-2554

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.5 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00017 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.28 SJR: 0.279 SNIP: 0.544 CiteScore™:: 2.5 H-Index: 22

Indexed in

THERMAL RADIATION MODELING IN NUMERICAL SIMULATION OF MELT-COOLANT INTERACTION

Volume 1, Edição 1, 2009, pp. 1-35
DOI: 10.1615/ComputThermalScien.v1.i1.10
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RESUMO

This paper is concerned with radiation heat transfer modeling in multiphase disperse systems, which are formed in high-temperature melt-coolant interactions. This problem is important for complex interaction of the core melt with water in the case of a hypothetical severe accident in light-water nuclear reactors. The nonlocal effects of thermal radiation due to the semitransparency of water in the visible and near-infrared spectral ranges are taken into account by use of the recently developed large-cell radiation model (LCRM) based on the spectral radiation energy balance for single computational cells. In contrast to the local approach for radiative heating of water by particles (OMM—opaque medium model), the LCRM includes radiative heat transfer between the particles of different temperatures. The regular integrated code VAPEX-P, intended to model the premixing stage of FCI, was employed for verification of the LCRM in a realistic range of the problem parameters. A comparison with the OMM and the more accurate P1 approximation showed that the LCRM can be recommended for the engineering problem under consideration. The effects of the temperature difference in solidifying particles are analyzed by use of the recently suggested approximation of transient temperature profile in the particles. It is shown that the effect of the temperature difference on heat transfer from corium particles to ambient water is considerable and should not be ignored in the calculations. An advanced computational model based on the LCRM for the radiation source function and subsequent integration of radiative transfer equation along the rays is also discussed.

CITADO POR
  1. Dombrovsky Leonid A., An Extension of the Large-Cell Radiation Model for the Case of Semitransparent Nonisothermal Particles, Journal of Heat Transfer, 132, 2, 2010. Crossref

  2. Dombrovsky Leonid A., Nenarokomova Natalia B., Tsiganov Dmitry I., Zeigarnik Yuri A., Modeling of repeating freezing of biological tissues and analysis of possible microwave monitoring of local regions of thawing, International Journal of Heat and Mass Transfer, 89, 2015. Crossref

  3. Dombrovsky Leonid A., Reviznikov Dmitry L., Sposobin Andrey V., Radiative heat transfer from supersonic flow with suspended particles to a blunt body, International Journal of Heat and Mass Transfer, 93, 2016. Crossref

  4. Dombrovsky Leonid A., Steam explosion in nuclear reactors: Droplets of molten steel vs core melt droplets, International Journal of Heat and Mass Transfer, 107, 2017. Crossref

  5. Dombrovsky Leonid A., Dembele Siaka, Wen Jennifer X., A simplified model for the shielding of fire thermal radiation by water mists, International Journal of Heat and Mass Transfer, 96, 2016. Crossref

  6. Guo Junjun, Hu Fan, Luo Wei, Li Pengfei, Liu Zhaohui, A full spectrum k-distribution based non-gray radiative property model for fly ash particles, International Journal of Heat and Mass Transfer, 118, 2018. Crossref

  7. Dombrovsky Leonid A., Dembele Siaka, Wen Jennifer X., An infrared scattering by evaporating droplets at the initial stage of a pool fire suppression by water sprays, Infrared Physics & Technology, 91, 2018. Crossref

  8. Dombrovsky Leonid A., A model for solid bubbles formation in melt–coolant interaction, International Journal of Heat and Mass Transfer, 52, 5-6, 2009. Crossref

  9. Dombrovsky Leonid A., Scattering of Radiation and Simple Approaches to Radiative Transfer in Thermal Engineering and Biomedical Applications, in Springer Series in Light Scattering, 2019. Crossref

  10. Dombrovsky Leonid A., Kokhanovsky Alexander A., Solar heating of ice sheets containing gas bubbles, Journal of Quantitative Spectroscopy and Radiative Transfer, 250, 2020. Crossref

  11. Dombrovsky Leonid A., Kokhanovsky Alexander A., Solar Heating of the Cryosphere: Snow and Ice Sheets, in Springer Series in Light Scattering, 2021. Crossref

  12. Uršič Mitja, Meignen Renaud, Leskovar Matjaž, Analysis of film boiling heat transfer during fuel-coolant interaction, International Journal of Heat and Mass Transfer, 107, 2017. Crossref

  13. Kudinov Pavel, Davydov Mikhail, Development and validation of conservative-mechanistic and best estimate approaches to quantifying mass fractions of agglomerated debris, Nuclear Engineering and Design, 262, 2013. Crossref

  14. Kudinov Pavel, Karbojian Aram, Tran Chi-Thanh, Villanueva Walter, Agglomeration and size distribution of debris in DEFOR-A experiments with Bi2O3–WO3 corium simulant melt, Nuclear Engineering and Design, 263, 2013. Crossref

  15. Dombrovsky Leonid A., Kokhanovsky Alexander A., Deep Heating of a Snowpack by Solar Radiation, Frontiers in Thermal Engineering, 2, 2022. Crossref

  16. Grishchenko Dmitry, Galushin Sergey, Kudinov Pavel, Failure domain analysis and uncertainty quantification using surrogate models for steam explosion in a Nordic type BWR, Nuclear Engineering and Design, 343, 2019. Crossref

  17. Dombrovsky Leonid A., Kokhanovsky Alexander A., The influence of pollution on solar heating and melting of a snowpack, Journal of Quantitative Spectroscopy and Radiative Transfer, 233, 2019. Crossref

  18. Lisitsyn Aleksey V., Dombrovsky Leonid A., Mendeleyev Vladimir Ya., Grigorenko Anatoly V., Vlaskin Mikhail S., Zhuk Andrey Z., Near-infrared optical properties of a porous alumina ceramics produced by hydrothermal oxidation of aluminum, Infrared Physics & Technology, 77, 2016. Crossref

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