A study of the liquid and gaseous phases upon the interaction of molten corium with the sacrificial material based on iron oxide and Portland cement

Yu. P. Udalov; I. V. Poznyak; P. Sazavsky; M. Kiselova; I. Srank; M. Strejc

doi:10.1134/S1087659616030160

A study of the liquid and gaseous phases upon the interaction of molten corium with the sacrificial material based on iron oxide and Portland cement

Authors: Udalov Y.P.¹, Poznyak I.V.², Sazavsky P.³, Kiselova M.³, Srank I.³, Strejc M.³
Affiliations:
1. St. Petersburg State Institute of Technology
2. St. Petersburg State Electrotechnical University
3. ÚJV Řež a. s., Hlavní 130, Řež
Issue: Vol 42, No 3 (2016)
Pages: 270-276
Section: Article
URL: https://journals.rcsi.science/1087-6596/article/view/215502
DOI: https://doi.org/10.1134/S1087659616030160
ID: 215502

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Abstract

Changes in the intensity of evaporation and the composition of condensing oxides are experimentally studied upon diluting corium by iron(III) oxide and Portland cement. It is found that the formation rate of aerosols over the melt is reduced upon diluting the corium by the studied sacrificial material by almost an order of magnitude up to 0.5 g/(cm² s). In the reducing atmosphere, the form of the particles of the aerosols is octahedral and in an oxidizing atmosphere it is spherical.