scholarly journals FRAP-S2: a computer code for the steady state analysis of oxide fuel rods

1977 ◽  
Author(s):  
J. A. Dearien ◽  
M. P. Bohn ◽  
G. A. Berna ◽  
D. R. Coleman ◽  
E. T. Laats
Keyword(s):  
Steady State ◽  
Computer Code ◽  
Oxide Fuel ◽  
Fuel Rods ◽  
Steady State Analysis ◽  
State Analysis

scholarly journals FRAPCON-1: a computer code for the steady state analysis of oxide fuel rods

1978 ◽  
Author(s):  
G. A. Berna ◽  
M. P. Bohn ◽  
D. R. Coleman ◽  
D. D. Lanning
Keyword(s):  
Steady State ◽  
Computer Code ◽  
Oxide Fuel ◽  
Fuel Rods ◽  
Steady State Analysis ◽  
State Analysis

scholarly journals FRAPCON-2: A Computer Code for the Calculation of Steady State Thermal-Mechanical Behavior of Oxide Fuel Rods

1981 ◽  
Author(s):  
G. A Berna ◽  
◽  
M. P. Bohn ◽  
W. N. Rausch ◽  
R. E. Williford ◽  
...  
Keyword(s):  
Steady State ◽  
Mechanical Behavior ◽  
Computer Code ◽  
Oxide Fuel ◽  
Fuel Rods

Analysis of a Convection Loop for GFR Post-LOCA Decay Heat Removal

2004 ◽  
Author(s):  
Wesley C. Williams ◽  
Pavel Hejzlar ◽  
Pradip Saha
Keyword(s):  
Heat Transfer ◽  
Steady State ◽  
Flow Regime ◽  
Natural Circulation ◽  
Heat Removal ◽  
Computer Code ◽  
Steady State Analysis ◽  
Decay Heat ◽  
Cooling Loops ◽  
State Analysis

A computer code (LOCA-COLA) has been developed at MIT for steady state analysis of convective heat transfer loops. In this work, it is used to investigate an external convection loop for decay heat removal of a post-LOCA GFR. The major finding is that natural circulation cooling of the GFR is feasible under certain circumstances. Both helium and CO2 cooled system components are found to operate in the mixed convection regime, the effects of which are noticeable as heat transfer enhancement or degradation. It is found that CO2 outperforms helium under identical natural circulation conditions. Decay heat removal is found to have a quadratic dependence on pressure in the laminar flow regime and linear dependence in the turbulent flow regime. Other parametric studies have been performed as well. In conclusion, convection cooling loops are a credible means for GFR decay heat removal and LOCA-COLA is an effective tool for steady state analysis of cooling loops.

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