An experimental study of the coolability of debris beds with geometry variations
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- 作者：Eveliina Takasuo<sup> ; sup><sup>Eveliina.Takasuo@vtt.fi" class="auth_mail" title="E-mail the corresponding authorsup>
- 关键词：Severe accident ; Corium ; Debris bed ; Coolability ; Dryout heat flux ; Experimental facility
- 刊名：Annals of Nuclear Energy
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：92
- 期：Complete
- 页码：251-261
- 全文大小：2038 K
文摘
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The coolability of porous debris beds was investigated in an experimental study.
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Dryout heat flux was measured for six different debris bed geometries.
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Heap-shaped debris beds had 47–73% greater dryout heat flux than a top-flooded bed.
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It was shown that the bed height has to be taken into account, in addition to the shape.
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The significance of post-dryout conditions in the overall coolability was discussed.