Transient Analysis of a Permeable Thermal Barrier System

[+] Author and Article Information
L. C. Cheng

Mechanical Engineering Department, Wichita State University, Wichita, Kan.

J. M. Bowyer

Technical Staff, Solid Propulsion and Environmental Systems, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif.

J. Mech. Des 100(1), 127-131 (Jan 01, 1978) (5 pages) doi:10.1115/1.3453876 History: Received February 01, 1977; Online October 21, 2010


A permeable thermal barrier system lines the walls of certain enclosures and pipes within the High Temperature Gas-Cooled Reactor (HTGR ). This system protects the Prestressed Concrete Reactor Vessel (PCRV ) from the otherwise damaging effects of heat transfer from the high-temperature helium working fluid. A one-dimensional transient model of this system has been developed to study the response of this system and its associated supporting structure when it is subjected to a rapid depressurization. The analytical model is normalized, and the dimensionless parameters which characterize the system response are extensively studied. The results of this study will provide both the qualitative and quantitative knowledge required for a rational design of thermal barrier system in the High Temperature Gas-Cooled Reactors.

Copyright © 1978 by ASME
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