NEA-0561 ESDORA.

ESDORA, Continuous and Instantaneous Fission Products Release into Atmosphere

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS, CPU, FEATURES, AUXILIARIES, STATUS, REFERENCES, REQUIREMENTS, LANGUAGE, OPERATING SYSTEM, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: ESDORA.

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2. COMPUTERS

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Program name	Package id	Status	Status date
ESDORA	NEA-0561/01	Tested	01-MAR-1975

Machines used:

Package ID	Orig. computer	Test computer
NEA-0561/01	UNIVAC 1108	UNIVAC 1108

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3. NATURE OF PHYSICAL PROBLEM SOLVED

ESDORA estimates the damage produced by the continous or instantaneous escape of fission products into the atmosphere. ESDORA neglects neutron absorption, but considers neutrons only to calculate the poisoning function.

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4. METHOD OF SOLUTION

A coupled system of ordinary differential equations determines the build up and decay of the active nuclides. The atmospheric diffusion and the dry fallout are given by analytic formulae.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

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6. TYPICAL RUNNING TIME

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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-0561/01	01-MAR-1975	Tested at NEADB

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10. REFERENCES

F. Diaz de la Cruz:
'ESDORA, Fission Product Inventory and Gamma Ray Dose Rate from a Radioactive Cloud.'
RSIC Computer Code Selection, CCC-183.

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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0561/01	FORTRAN-IV

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13. SOFTWARE REQUIREMENTS: OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED

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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

       F. Diaz de la Cruz,
       Junta de Energia Nuclear,
       Madrid, Spain

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16. MATERIAL AVAILABLE

NEA-0561/01

File name	File description	Records
NEA0561_01.001	SOURCE PROGRAM (F5)	606
NEA0561_01.002	LIBRARY DATA (BCD)	2664
NEA0561_01.003	SAMPLE PROBLEM INPUT DATA	30
NEA0561_01.004	SAMPLE PROBLEM PRINTED OUTPUT	2754