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NEA-0114 BURST.

BURST, Time-Dependent Pressure and Coolant Flow after Circuit Fracture in HTGR

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, FEATURES, AUXILIARIES, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES
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1. NAME OR DESIGNATION OF PROGRAM:  BURST.
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2. COMPUTERS
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Program name Package id Status Status date
BURST NEA-0114/01 Tested 01-NOV-1964

Machines used:

Package ID Orig. computer Test computer
NEA-0114/01 IBM 7094 IBM 7094
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Studies the variation in pressure and flow in coolant circuits of a gas-cooled reactor, as a function  of time, following a fracture in one of the circuits.
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4. METHOD OF SOLUTION

Explicit solution of the time dependent equations for pressure in the gas filled system.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

All fractured ducts must have same characteristics as must all unfractured ones.
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6. TYPICAL RUNNING TIME

Approximately 1,000 time-steps can be done in  1 minute running time on the IBM 7090.
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0114/01 01-NOV-1964 Tested at NEADB
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10. REFERENCES
NEA-0114/01, included references:
- R. Prescott and N.G. Robertson:
  Calculation of Flows in a Reactor Circuit After Fracture of a
  Coolant Duct
  (C.E.G.B. RKR/NPD/127) CD/NS/8 (November 1962).
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11. MACHINE REQUIREMENTS:  32k store  5 tape units.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0114/01 FORTRAN-II (IBM)
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  FORTRAN II monitor.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHOR

R. Prescott
                                   C.E.G.B. Computing Branch
                                   Friars House
                                   Blackfriars Road
                                   London S.E.1.
                                   England
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16. MATERIAL AVAILABLE
NEA-0114/01
File name File description Records
NEA0114_01.001 SOURCE & DATA 633
NEA0114_01.002 OUTPUT 4130
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17. CATEGORIES
  • G. Radiological Safety, Hazard and Accident Analysis

Keywords: ducts, flow rate, gas cooled reactors, loss-of-coolant accident, pressure, reactor cooling systems, time dependence.