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Abstract
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Article Information:
Analysis of Thermal-hydraulic Transients for the Miniature Neutron Source Reactor (MNSR) in Ghana
S. Yamoah, E.H.K. Akaho, B.J.B. Nyarko, M. Asamoah, A.G. Ampong and E.O. Amponsah-Abu
Corresponding Author: Stephen Yamoah
Submitted: 2011 May, 09
Accepted: 2011 June, 15
Published: 2011 August, 30 |
Abstract:
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A mathematical model is presented that permits to simulate the effect of the cooling coils of the pool
upper section on the reactor thermal-hydraulic behaviour of Ghana research reactor-1. The model is based on
a lumped parameter description solved numerically using Matlab/Simulink tool which is a commercial software
package with the capability of modelling dynamical and control systems. The model incorporates fuel grids and
cooling coil models as well as radiating energy from the clad. In this model, the reactor tank and the pool is
divided into three sections. The model predictions are qualified by comparing the results with experimental
data. The effect of cooling the upper section of the pool on reactor thermal-hydraulic parameters using the
cooling coil is presented and discussed. It was observed that all maximum values of the reactor thermalhydraulic
parameters decrease when the cooling coil power is increased. Good agreement is found between the
model predictions and the experimental results.
Key words: Cooling coil, coolant, lumped parameter, natural convection, thermo-hydraulic, tank-in-pool,
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Cite this Reference:
S. Yamoah, E.H.K. Akaho, B.J.B. Nyarko, M. Asamoah, A.G. Ampong and E.O. Amponsah-Abu, . Analysis of Thermal-hydraulic Transients for the Miniature Neutron Source Reactor (MNSR) in Ghana. Research Journal of Applied Sciences, Engineering and Technology, (08): 737-745.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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