Date of Award

12-1993

Degree Name

Master of Science

Department

Mechanical and Aeronautical Engineering

First Advisor

Dr. Ali Merat

Second Advisor

Dr. Thomas E Hollowell

Third Advisor

Dr. Christopher Cho

Access Setting

Masters Thesis-Open Access

Abstract

During fuel cycles 9 and 10 at the Palisades Nuclear Power Plant, new phenomena have been observed using the resistance temperature devices installed in the reactor coolant piping. Oscillations in the temperature readings have been observed leading to the assumptions that there is temperature stratification of the coolant in the reactor hot-legs and that the coolant rotates as it leaves the reactor. In addition, oscillations in the bulk coolant flow within the two hot legs have been postulated. This report outlines work performed using computational fluid dynamics modelling which predict the observed and assumed flow characteristics of the Palisades reactor and primary coolant system.

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