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Recommended high-tank temperature for maintenance of high-tank backup support
High tank line cleaning and low flow tests at B, D, F, and H Reactors have been completed and results analyzed and related to high tank backup support. Interim provisions have been completed at the old reactors for bleeding and temperature measurement of high tank cooling water. This letter supplies a recommended guide for maintaining high tank temperature control.
Date:
October 11, 1960
Creator:
Greager, O. H.
System:
The UNT Digital Library
RADIATION SURVEY OF SIX OF THE THERMAL BARRIERS. CORE 1, SEED 1. Test Results T-643713
A test was performed to determine the radiation levels of the thermal barriers contained in the rod-drive-mechanism housings. Of the six thermal barriers examined, the two-slot type instrumented barriers exhibited higher radiation levels (350 to 2450 mr/hr) than did either the plain type instrumented barrier (1350 mr/hr) or the three noninstrumented barriers (275 to 725 mr/hr). (W.L.H.)
Date:
October 11, 1960
Creator:
unknown
System:
The UNT Digital Library
Decoupling Concepts and Project Cowboy
This paper for the Project Vela Technical Symposium is intended to be a brief resume of the principle results of the Cowboy program. The material is taken from a report entitled "Use of Large Cavities to Reduce Seismic Waves from Underground Explosions" by Herbat, Werth, and Spring (1960). As a result, no effect is made to justify each step in the analysis; reference should be made to the complete report.
Date:
October 11, 1960
Creator:
Werth, Glenn C.
System:
The UNT Digital Library
Dry Maintenance Facility for the HRT
A portable shield has been designed, developed, fabricated and shop tested to provide the HRT with a facility for direct dry maintenance operations. It provides temporary replacement for any one of the lower roof plugs and should permit many operations to be performed without flooding the reactor cell with water.
Date:
October 11, 1960
Creator:
Holz, P. P.
System:
The UNT Digital Library
Local Reactivity "Worth" in the HRT
The effect of adding small quantities of fuel or poison to the HRT has been estimated using perturbation theory. The results have been reduced to a single relation and a set of graphs which make the estimation of added reactivity relatively simple. The perturbation theory results are compared with multigroup results and reasonable agreement is demonstrated; however, there is some question concerning the prompt neutron lifetime.
Date:
October 11, 1960
Creator:
Jaye, S. & Vondy, D. R.
System:
The UNT Digital Library