16 and 123 group weighting functions for KENO

Technical Report · Sat Nov 01 00:00:00 EST 1975

DOI:https://doi.org/10.2172/4136960· OSTI ID:4136960

Knight, J. R.; Petrie, L. M.

Weighting functions for use in the KENO Monte Carlo criticality program have been prepared. Discrete ordinate neutron transport calculations provided adjoint fluxes in reflector materials commonly encountered in KENO calculations. 16 and 123 group weights for water, paraffin, concrete, and graphite were computed by the adjoint biasing method. The results of these calculations are presented in the form of tables and graphs. The use of these weights in various applications has significantly reduced the number of neutron histories required to obtain a given variance in the k/sub eff/ computed by KENO. (8 tables, 9 figures) (auth)

• Research Organization: Oak Ridge National Lab., Tenn. (USA)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
• DOE Contract Number: W-7405-ENG-26
• NSA Number: NSA-33-008450
• OSTI ID: 4136960
• Report Number(s): ORNL-TM--4660
• Country of Publication: United States
• Language: English

Related Subjects

*CONCRETES-- NEUTRON TRANSPORT
*GRAPHITE-- NEUTRON TRANSPORT
*NEUTRON TRANSPORT THEORY-- COMPUTER CODES
*PARAFFIN-- NEUTRON TRANSPORT
*WATER- - NEUTRON TRANSPORT
641600*
MONTE CARLO METHOD
N68100* --Physics (Nuclear)--Neutron Interactions with Matter
Nuclear Criticality Safety Program (NCSP)
WEIGHTING FUNCTIONS