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in subjects: "Nesdps Office Of Nuclear Energy Space And Defense Power Systems"  
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Thermionic converter emitter support arrangement

Description: This document discusses a support provided for use in a thermionic converter to support an end of an emitter to keep it out of contact with a surrounding collector while allowing the emitter end to move axially as its temperature changes. The emitter end is supported by a spring structure that includes a pair of Belleville springs, and the spring structure is supported by a support structure fixed to the housing that includes the collector. The support structure is in the form of a sandwich wit… more
Date: July 6, 1989
Creator: Allen, D.T.
Partner: UNT Libraries Government Documents Department
open access

Design and Scale Model Test Results of a Severely Modified Rao Contour Nozzle

Description: This thesis describes the design, selection and scale model test results of a contour design for a convectively-cooled, ground test nozzle extension which originates at an area ratio of 5:1 (termination point of main nozzle).
Date: November 15, 1971
Creator: Coppo, R. H.
Partner: UNT Libraries Government Documents Department
open access

Nuclear fuel element

Description: A nuclear fuel element and a method of manufacturing the element. The fuel element is comprised of a metal primary container and a fuel pellet which is located inside it and which is often fragmented. The primary container is subjected to elevated pressure and temperature to deform the container such that the container conforms to the fuel pellet, that is, such that the container is in substantial contact with the surface of the pellet. This conformance eliminates clearances which permit rubbin… more
Date: April 6, 1989
Creator: Zocher, R.W.
Partner: UNT Libraries Government Documents Department
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