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Effective Thermal Conductivity of Lithium Ceramic Pebble Beds for Fusion Blankets: A Review

A. Abou-Sena, A. Ying, M. Abdou

Fusion Science and Technology / Volume 47 / Number 4 / May 2005 / Pages 1094-1100

Technical Paper / Fusion Energy - First Wall, Blanket, and Shield

The use of lithium ceramic pebble beds has been considered in many blanket designs for the fusion reactors. Lithium ceramics have received a significant interest as tritium breeders for the fusion blankets during the last three decades. The thermal performance of the lithium ceramic pebble beds plays a key role for the fusion blankets. In order to study the heat transfer in the blanket, the effective thermal conductivity of the lithium ceramics pebble beds has to be well measured and characterized. The data of effective thermal conductivity of lithium ceramic pebble beds is important for the blanket design. Several studies have been dedicated to investigate the effective conductivity of the lithium ceramics pebble beds. The objective of this work is to review and compare the available data, presented by various studies, of effective conductivity of lithium ceramic pebble beds in order to address the current status of these data.

 
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