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A Model of the PRTR Mark I Fuel Element for Heat Transfer Experiments (open access)

A Model of the PRTR Mark I Fuel Element for Heat Transfer Experiments

The purpose of this document is to describe the design and construction of a full-scale, electrically-heated model of a 19-rod PRTR fuel element for use in heat transfer experiments.
Date: July 6, 1960
Creator: Hammond, J. E.
System: The UNT Digital Library
A Study of the Wear and Galling of Autoclaved Zircaloy-2 By Various Materials (open access)

A Study of the Wear and Galling of Autoclaved Zircaloy-2 By Various Materials

This is the third of a series of reports describing the phases of a study of the wear and galling of autoclavedZircaloy-2 by various bearing surface materials. The first report (1) showed that increasing contact area between the autoclaved Zircaloy-2 surfaces will not prevent scratching. It also showed that metals softer than Zircaloy-2 in general do not scratch it. The second report (2) described how eight metals and alloys were wear-tested on autoclaved Zircaloy-2 as prospects for fuel element support-bearing surface materials.
Date: July 5, 1960
Creator: Weber, J. W.
System: The UNT Digital Library
Invention Report: Hermetically Sealed Closure on a Sheathed Thermocouple (open access)

Invention Report: Hermetically Sealed Closure on a Sheathed Thermocouple

Applications of sheathed (metal) thermocouples may require in many instances, the insertion of the thermocouple thermal junction into an area that must be hermetically sealed to the outside. This same area usually contains highly reactive heat transfer medium such as an eutectic alloy of sodium and potassium of sodium alone. When fissionable materials are being irradiated, fission products that are driven off would also be present and must be contained under varying temperatures and pressures.
Date: July 12, 1960
Creator: Kosut, Bert S.
System: The UNT Digital Library