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open access

Analysis of Primary System Blowdown by Rupture Disc Failure

Description: The purpose of this study is to determine the time required for blowdown of the primary system when the rupture disc fails, and the effect of blowdown on the control rods during scram.
Date: unknown
Creator: Johnson, Carl G.
open access

APPR-1 Burnout Calculations

Description: A general non-uniform burnup program has been developed to determine the lifetime of the APPR-1. Calculations are used to determine performance using two one dimensional multiregion burnout calculations
Date: unknown
Creator: Williamson, T. G.
open access

ATBAC Check Calculation on the IBM 650, Program No. 303

Description: This program using the IBM 650 electronic data processing machine is used primarily as a tool in order to prepare input data for the IBM 704 code, entitle ATBAC. The code calculates steady state thermal characteristics of a plate type fuel element for both a nominal and adverse channel
Date: unknown
Creator: Beretsky, I. & Oby, P. V.
open access

A Boiling Water Analysis Code on the IBM-650

Description: A method has been developed for using the IBM 650 Electronic Data Processing Machine to obtain detailed information concerning thermal and hydraulic conditions within a plate type reactor channel when the coolant in the channel is present in both vapor and liquid phases
Date: unknown
Creator: Beretsky, I. & Pacine, S.
open access

Calculation of Control Rod Worth in APPR-1

Description: 7 rods were used in the APPR-1 rather than 5. The critical experiments and calculations from the use of the rods, including the capability of any four to shut down the cold reactor are examined in this study.
Date: unknown
Creator: Giesler, H. W. & Gallagher, J. G.
open access

Comparison of Boron and Hafnium in APPR Control Rods

Description: There is a possibility of dimensional instability in the B-10-iron APPR-1 control rods due to helium production. This effect will be evaluated in this study.
Date: unknown
Creator: Johnson, W. R.
open access

Control Rod Drive Development

Description: This study was conducted to determine the operating and performance characteristics of the ORNL concept of control rod drive mechanism as applied to APPR-1
Date: unknown
Creator: Tully, J. P.; Connolly, T. F. & Anderson, R. E.

Critical Mass Calculation for AOOR-1 Critical Experiment

Description: In order to check previous calculations, and to provide a tool for future analytical work on APPR type reactors, a calculation to predict the critical mass of the APPR critical experiment has been performed
Date: unknown
Creator: Gallagher, J. G.; Giesler, H. W. & Johnson, W. R.
open access

Evaluation of Low Impurity Core Material in the SM-2

Description: The worth of reduced cobalt and tantalum impurity concentrations of AISI Type 347 stainless steel in the SM-2 core cladding and structural material is evaluated on the basis of material costs involved and accessibility for maintenance
Date: unknown
Creator: Pancer, Guyon P. & Zegger, John L.
open access

Feasibility of Partial Chemical Control for the SM-2

Description: Chemical control of the SM-2 was evaluated both as a partial substitute for burnable poison in the fuel element meat and as a means of improving plant performance.
Date: unknown
Creator: Gallagher, J. G.
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