Effect of pebble size and bed dimension on the distribution of voidages in pebble bed reactor

Xiong, Y, Liang, G, Nan, G, Xingtuan, Y, Tu, J and Jiang, S 2018, 'Effect of pebble size and bed dimension on the distribution of voidages in pebble bed reactor', Journal of Computational Multiphase Flows, vol. 10, no. 3, pp. 99-108.


Document type: Journal Article
Collection: Journal Articles

Title Effect of pebble size and bed dimension on the distribution of voidages in pebble bed reactor
Author(s) Xiong, Y
Liang, G
Nan, G
Xingtuan, Y
Tu, J
Jiang, S
Year 2018
Journal name Journal of Computational Multiphase Flows
Volume number 10
Issue number 3
Start page 99
End page 108
Total pages 10
Publisher Sage
Abstract The HTR-10 built at Tsinghua University is an advanced pebble bed reactor because of its inherent safety and economic efficiency. It is fundamental to explore the voidage of the pebble bed. The existing experimental bed is limited in depth and contains mono-size pebbles. The effects of pebble size and bed dimension of voidage distribution are still not well known. In this work, the discrete element method is used to simulate the static packing of pebbles of three sizes in 2D and 3D pebble beds under the same load. The effects of bed dimension and pebble size on voidage distribution are analyzed. The results are useful for better understanding of the voidage distribution of pebble bed reactor and the effects of bed dimension and particle size as well as the wall effects.
Subject Numerical Modelling and Mechanical Characterisation
Keyword(s) bed dimension
discrete element method
High temperature gas-cooled reactor
particle size
pebble flow
voidage
DOI - identifier 10.1177/1757482X17716046
Copyright notice © The Author(s) 2017. Creative Commons Non Commercial CC-BY-NC: This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/)
ISSN 1757-482X
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