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APRFX1; 99-group DLC-2B library group-collapsing. [CDC6600; FORTRAN IV]

Technical Report ·
OSTI ID:6343437
APRFX1 collapses and combines cross section sets for multigroup transport calculations. It performs group collapsing for as many isotopes, mixtures, and Legendre expansion sets as desired from the DLC-2B library. The DLC-2B library structure employs tenth lethargy unit intervals from 15 MeV to 111 keV and quarter lethargy intervals down to 0.414 eV. A 100th group 0.0 to 0.414 eV is used as a sink group. The code also determines the broad-group input source and generates averaged neutron velocities for use with transport calculations.CDC6600; FORTRAN IV.
Research Organization:
Army Pulse Radiation Facility, Aberdeen Proving Ground, MD (USA)
OSTI ID:
6343437
Report Number(s):
ANL/NESC-466; ON: DE83048466
Country of Publication:
United States
Language:
English