IAEA1377 HYDMN.

HYDMN, Thermal Hydraulics of Miniature Neutron Source Reactor

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, RELATED OR AUXILIARY PROGRAMS, STATUS, REFERENCES, LANGUAGE, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: HYDMN.

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2. COMPUTERS

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Program name	Package id	Status	Status date
HYDMN	IAEA1377/01	Tested	16-MAY-2001

Machines used:

Package ID	Orig. computer	Test computer
IAEA1377/01	PC Windows	PC Pentium III 500

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3. DESCRIPTION OF PROGRAM OR FUNCTION

Calculation of coolant, fuel and pool temperature variations during steady-state and transient operations of a miniature neutron source reactor.
The MNSR (Miniature Neutron Source Reactor) is a small and compact reactor, tank-in-pool type, with highly enriched fuel (~ 90% U235 ).
The tank is immersed in a large pool, and the core is, in turn, immersed in the tank. The maximum nominal power is ~ 30 kW, the power being removed by natural convection. The core is formed of about 347 fuel rods, with 4 tie rods and 3 dummy elements distributed on a total of ten circles, each consisting of a number of fuel rods ranging between 6 and 62. A thick beryllium reflector (~ 10 cm) surrounds the core radially.

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8. RELATED OR AUXILIARY PROGRAMS: SYRCO-1.

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9. STATUS

Package ID	Status date	Status
IAEA1377/01	16-MAY-2001	Tested at NEADB

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10. REFERENCES

- MNSR Thermal Hydraulics, Shi Shuangkai
  China Institute of Atomic Energy( 1993)

- MNSR training material
  Safety Analysis Report for Miniature Neutron Source
  Reactor  (MNSR), Guo Chengzhan, Gao Yongchun, Zhang
  Xianfa, China Institute of Atomic Energy
  MNSR document    Code MNSR-GN-2

- SYRCO-1 The Acumen-Provided, 1-D, 2-Goups Diffusion
  Reactor Code, M.Albarhoum, A.Eid, S. Mohammed
  AECS- PH\rss  218 (1998)

IAEA1377/01, included references:

- M. Albarhoum, A. Eid and S. Mohammed:
HYDMN The Thermal hydraulic Code for MNSR
Report AEC Syria (2000)

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
IAEA1377/01	FORTRAN-77

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15. NAME AND ESTABLISHMENT OF AUTHORS

   M. Albarhoum, A. Eid and S. Mohammed
   Department of Physics
   Atomic Energy Commission,
   P. O. Box, 6091,
   Damascus- Syria

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16. MATERIAL AVAILABLE

IAEA1377/01

hydmn.exe Executable file
hydmn.for Source code in Fortran
hydn.lib Cross-sections library
llibfore.lib Binary library
Modern.fon Modern font
Modern.fon Modern font
Modern.fon Modern font
reac.out Reactor output data
roman.fon Romant font
roman.fon Romant font
solve.for Solver subroutines
readme.doc Documentation on how to use (word format)

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17. CATEGORIES

H. Heat Transfer and Fluid Flow

Keywords: neutron source, thermal hydraulics.