last modified: 25-FEB-1993 | catalog | categories | new | search |

IAEA1209 TRANSV2.

TRANSV2, LOCA and Steady-State Thermohydraulic Analysis of MTR

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1. NAME OR DESIGNATION OF PROGRAM:  TRANSV2.
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2. COMPUTERS
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Program name Package id Status Status date
TRANSV2 IAEA1209/01 Tested 25-FEB-1993

Machines used:

Package ID Orig. computer Test computer
IAEA1209/01 VAX under VMS DEC VAX 6000
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3. DESCRIPTION OF PROGRAM OR FUNCTION

This program was developed for  thermal-hydraulic analysis of MTR type research reactors in steady-state operation condition at nominal power or during a loss of coolant flow accident (LOFA), both for an average channel and for a hot channel. It also can be used for nondestructive reactivity accidents analyses.
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4. METHOD OF SOLUTION

The analysis carried out in TRANSV2 is based on the evaluation of the coupled thermal-hydraulic and neutronic effects. The core is represented by a single fuel plate with its associated coolant channel. A one-directional hydrodynamic model with single phase flow was used. The heat transfer is computed on the basis of a one-dimensional conduction solution in each axial section using a complete heat transfer correlation package to be applied to both downward and upward flows. The heat generation rate  is assumed to be a separable function of space and time, with the spatial relationship preassigned. The point kinetics equations are solved using a backward extrapolation technique.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME

It requires about 60 seconds of CPU time to process 1000 time-steps on a VAX 11/780.
IAEA1209/01
The test cases included in this package were executed by NEADB on a DEC VAX 6000-510 computer. The following CPU times were found:
     test case 1: 00.76 sec
     test case 2: 29.15 sec
     test case 3: 27.88 sec
     test case 4: 38.19 sec
     test case 5: 05.70 sec.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS:
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9. STATUS
Package ID Status date Status
IAEA1209/01 25-FEB-1993 Tested at NEADB
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10. REFERENCES

- J. Klein and K. Mishima
  Thermal-Hydraulic Analysis for Lo Aguirre Research Reactor
  Technical Report (August 1989).
- J. Klein
  Analisis Thermohidraulico del Reactor RECH-2
  Technical Report FR-02-90, Chilean Nuclear Energy Commission
  (August 1990).
IAEA1209/01, included references:
- J. Klein and K. Mishima:
  TRANSV2 - A Thermal-Hydraulic Analysis Code for Research Reactors
  KURRI-TR-323.
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11. MACHINE REQUIREMENTS:
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
IAEA1209/01 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  DEC-VMS.
IAEA1209/01
The program was implemented by NEADB on a VAX DEC 6000  running under VMS V5.4-2.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

          J. Klein
          Reactor Physics Division
          Chilean Nuclear Energy Commission
          Amunategui 95, P.O. Box 188-D
          Santiago, Chile

          K. Mishima
          Research Reactor Institute
          Kyoto University
          Kumatori-Cho, Sennan-Gun
          Osaka, 590-04, Japan
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16. MATERIAL AVAILABLE
IAEA1209/01
File name File description Records
IAEA1209_01.001 Information file 53
IAEA1209_01.002 Command instruction 9
IAEA1209_01.003 TRANSV2-MOD1 FORTRAN source 2868
IAEA1209_01.004 Sample problem input case 1 24
IAEA1209_01.005 Sample problem input case 2 31
IAEA1209_01.006 Sample problem input case 3 31
IAEA1209_01.007 Sample problem input case 4 30
IAEA1209_01.008 Sample problem input case 5 30
IAEA1209_01.009 Sample problem output case 1 189
IAEA1209_01.010 Sample problem output case 2 1002
IAEA1209_01.011 Sample problem output case 3 1002
IAEA1209_01.012 Sample problem output case 4 1563
IAEA1209_01.013 Sample problem output case 5 1444
IAEA1209_01.014 ENERGY sample output from case 5 11000
IAEA1209_01.015 PERIOD sample output tape 10 from case 5 11000
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17. CATEGORIES
  • G. Radiological Safety, Hazard and Accident Analysis
  • H. Heat Transfer and Fluid Flow

Keywords: heat transfer, hydraulics, hydrodynamics, loss-of-coolant accident, reactivity, steady-state conditions, thermodynamics.