DLC-0013 ZZ-DLC-13B.

ZZ DLC-13B, Resonance Cross-Section Group Constant Library for Tungsten and Depleted Pu

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, SOLUTION, RESTRICTIONS, CPU, FEATURES, RELATED AND AUXILIARY PROGRAMS, 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: ZZ-DLC-13B. Multigroup resonance-region cross sections for tungsten and depleted uranium for use in shielding calculations.

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2. COMPUTERS

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Program name	Package id	Status	Status date
ZZ-DLC-13B	DLC-0013/01	Tested	01-DEC-1973

Machines used:

Package ID	Orig. computer	Test computer
DLC-0013/01	Many Computers	Many Computers

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3. NATURE OF PHYSICAL PROBLEM SOLVED

  FORMAT: GAM-II

  NUMBER OF GROUPS: 32-energy-group split (0.4 to 1234 eV).

  NUCLIDES: tungsten (W,) and depleted uranium (U,) slabs

  ORIGIN:

  WEIGHTING SPECTRUM:

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Multigroup capture and scatter cross sections in the resolved resonance region were calculated for tungsten and depleted uranium slabs for use in shielding calculations of neutron transport and capture distributions.  Slabs of thickness of 1 to 8
centimeters surrounded by hydrogen or lithium hydride were considered.  GAROL  was  used to  generate  the  cross sections, a
method previously observed to preserve the total capture rate  in a detailed multigroup neutron transport calculation for a thick resonance absorber. Average cross sections were calculated for a
32-energy-group split (0.4 to 1234 eV) compatible with that used by GAM-2. Group fluxes are also presented permitting further group collapsing either by hand calculations or with an included computer  program.

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4. METHODS: METHOD OF SOLUTION

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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 AND AUXILIARY PROGRAMS: GARU and GARW

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9. STATUS

Package ID	Status date	Status
DLC-0013/01	01-DEC-1973	Tested at NEADB

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10. REFERENCES: NASA TM X-1909.

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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS

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12. PROGRAMMING LANGUAGE(S) USED

No item found

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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

Lewis Research Center
National Aeronautics and Space Administration
Cleveland, Ohio 44165
U. S. A.

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16. MATERIAL AVAILABLE

DLC-0013/01

File name	File description	Records
DLC0013_01.001	GARW SOURCE PROGRAM	147
DLC0013_01.002	GARLIB TUNGSTEN DATA	670
DLC0013_01.003	GARU SOURCE PROGRAM	136
DLC0013_01.004	GARLIB URANIUM DATA	370
DLC0013_01.005	GARW OUTPUT	1084
DLC0013_01.006	GARU OUTPUT	684

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17. CATEGORIES

J. Gamma Heating and Shield Design
Z. Data.

Keywords: capture, cross sections, data, multigroup, resonance, shielding.