IAEA1216 PRORIA.

PRORIA, Fast Reactivity Transients in PWR with Two-Phase Flow Model

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: PRORIA.

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2. COMPUTERS

To submit a request, click below on the link of the version you wish to order. Rules for end-users are available here.

Program name	Package id	Status	Status date
PRORIA	IAEA1216/01	Tested	30-JUL-1991

Machines used:

Package ID	Orig. computer	Test computer
IAEA1216/01	IBM PC	PC-80386

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3. DESCRIPTION OF PROGRAM OR FUNCTION

PRORIA is a computer code for analyses of fast reactivity-initiated accidents in PWR - type reactors. The mathematical model is based on the two-dimensional, two-group, space-time diffusion equations with temperature feedback. The fluid dynamics is described by an inhomogeneous, nonequilibrium, two-phase flow model.

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4. METHOD OF SOLUTION

The code solves the neutron kinetic equations by finite difference approximations. The heat conduction model in the code uses an analytical approach to obtain the average temperatures of the fuel, gap and clad. The numerical algorithms used for solving the fluid dynamics equations are based on a conventional finite- difference approximation in space and time.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Basic limitations are:
- (R-Z) geometry and the diffusion approximation of the neutron     kinetics,
- the one-dimensional solution, the absence of a bypass channel  and the inability to calculate flow reversal of the     thermalhydraulics model,
  - 30 and 20 mesh points along radial (R) and axial (Z) direction.

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6. TYPICAL RUNNING TIME

For 0.5 sec. transient, about 140 min. are necessary for CPU.

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7. UNUSUAL FEATURES OF THE PROGRAM

The code enables the user to analyse severe accidents which lead to boiling regime (two-phase flow).

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8. RELATED AND AUXILIARY PROGRAMS

The PRORIA - code supersedes the RETRANS code which is based on the one phase-flow model.

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9. STATUS

Package ID	Status date	Status
IAEA1216/01	30-JUL-1991	Tested at NEADB

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10. REFERENCES

- G. Kamelander:
  RETRANS - A Program for Calculating Reactivity Transients
  CPC 00507, North Holland Physics Publishing Division (May 1985).
- D.J. Diamond:
  BEAGL-01 - A Computer Code for Calculating Rapid LWR Core
  Transients
  EPRI NP-3243-ccm (October 1984).

IAEA1216/01, included references:

- J. Kubowski, J. Krystosik and Z. Niewiarowski:
  PRORIA - A Computer Code for Analyses of Fast Reactivity Initiated
  Accidents in PWR Reactors
  15452 - d (July 1990).

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11. MACHINE REQUIREMENTS: 133866 bytes on IBM PC/AT with co-processor DSI-32/4.

IAEA1216/01

The test cases included in this package have been executed by NEA-DB on a PC/80386 desktop computer with a 80387 math coprocessor.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
IAEA1216/01	FORTRAN-77

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED: PC DOS 3.10, MC 68020 loader version 9.11-P.

IAEA1216/01

MSDOS/4.01 with Microsoft FORTRAN 5.0 compiler.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS: Number
of lines in combined program: 2395.

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15. NAME AND ESTABLISHMENT OF AUTHORS

          J. Kuboswki, J. Krystosik, Z. Niewiarowski
          Institute of Power
          Zaklad NJR
          Ul. Mory 8
          01-330 Warszawa, Poland

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16. MATERIAL AVAILABLE

IAEA1216/01

File name	File description	Records
IAEA1216_01.001	Information file	71
IAEA1216_01.002	Batch file to compile and link	4
IAEA1216_01.003	Sample input file	124
IAEA1216_01.004	Main source file	906
IAEA1216_01.005	PRORIA source file	470
IAEA1216_01.006	PRORIA1 source file	1029
IAEA1216_01.007	Executable file	0
IAEA1216_01.008	Sample output file	10635
IAEA1216_01.009	DOS file-names	7