Critical Flow Velocities for Collapse of Reactor Parallel-Plate Fuel Assemblies

[+] Author and Article Information
D. R. Miller

Knolls Atomic Power Laboratory, General Electric Company, Schenectady, N. Y.

J. Eng. Power 82(2), 83-91 (Apr 01, 1960) (9 pages) doi:10.1115/1.3672746 History: Received April 08, 1959; Online January 10, 2012


Theoretical formulas are presented for prediction of the flow velocity at which collapse occurs in long parallel-plate assemblies. Beyond the critical velocity the pressure-unbalance forces, developed as a consequence of a small deflection, exceed the corresponding elastic restraining forces, and the plates collapse. Both flat and curved-plate assemblies are considered, and the applicability of the formulas to design of reactor fuel-plate assemblies is discussed.

Copyright © 1960 by ASME
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