Investigations on the Movement of Fuel Elements in the Core of a Pebble Bed Reactor

[+] Author and Article Information
D. Bedenig, C. B. v. d. Decken, W. Rausch

Brown Boveri/Krupp Reaktorbau GmbH, Experimentelle Entwicklungsabteilung, Jülich, Germany

J. Eng. Ind 91(2), 390-394 (May 01, 1969) (5 pages) doi:10.1115/1.3591578 History: Received July 26, 1968


For several years gas-cooled high temperature reactors have been developed in Germany, the main feature of which are their pebble-type fuel elements. The pebble bed is in the state of a continuous circulation process which is the reason for a series of nuclear and technical advantages. To make use of these advantages, comprehensive experimental studies on the flow behavior of a pebble bed were carried out. First, experimental equipment and the most successful method of measurement are described. Then typical results of parameter studies are reported as well as a theoretical model to calculate the pebble bed flow behavior. At last typical functions describing the flow behavior in the core of the THTR 300 MWe Prototype Reactor are reported.

Copyright © 1969 by ASME
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