Investigation of radiative and convective heat transfer in storage vaults for improving space efficiency

Title
Investigation of radiative and convective heat transfer in storage vaults for improving space efficiency
Authors
이관수
Keywords
Radiation; Combined convection; CR ratio; Cooling effect; Non-uniform tube arrangement
Issue Date
2015-01
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v. 80, Page. 301-308
Abstract
We used computational analysis in order to study the cooling effects of the cylindrical tubes located inside a storage vault for spent nuclear fuel. We considered the effects of the radiative and convective heat transfer on the cooling of the cylindrical tubes based on the non-dimensional maximum permissible surface temperature. We also identified the factors that affect the cooling of cylindrical tubes by investigating the cooling effects with the same heat source as a function of the distance between the tubes, the entrance length, and the tube arrangement. The thermal performance, characteristics indicated that a non-uniform staggered tube array could be used in order to improve the storage efficiency of a vault in comparison to the reference uniform in-line tube arrangement, while maintaining the tube surface temperatures at a value below the maximum permissible temperature. (C) 2014 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/20.500.11754/21561http://www.sciencedirect.com/science/article/pii/S0017931014008187
ISSN
0017-9310
DOI
http://dx.doi.org/10.1016/j.ijheatmasstransfer.2014.09.026
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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