Code Manual for CONTAIN 2.0 - Federation of American Scientists

Table C-3 Validation Matrix for Atmosphere Thermal Hydraulics and Intercell Flow Modeling (Concluded)
Integral Test Accident Type Reference Nodes Code Model Rankinga Comment
Experiment Facility or Process Version
Pressure Gas
Mixing
Code/Code:
l15LAP/ N/A lntercell flow, Jac89 1.10 NIA H Good agreementfoundwhh adequate
20NTAIN buoyancy
driven
CONTAIN noding
?HOENIX/ N/A Hei86 16,64 1.04 NIA M-H Comparisonsshowed thatCONTAIN
20NTAIN couldpredictheeffectsofbuoyancyin a
simple open geometry.
:ONTEMPT/ PWR LOCA and Ahn93 1 1.12 H NIA The LOCA pressures and temperatures
20NTAIN MSLB with compared very well. Modeling differsprays
ences for MSLB conditions resulted in
CONTAIN temperatures that were
significantly lower than CONTEMPT’s.
BWR Recirculation 2 H H Modeling differences in mass/energy
line break; (drywell) transport from the wetwell pool to gas
MSLB M bubbles were mainly responsible for the
(wetwell) medium ranking in the wetwell.
‘H - prediction of prime quantity (pressure, temperature, or concentration) to within 10’%oand trends predicted; M - prediction of prime quantity to within
20 to 40% and trends predicted; L - prediction of prime quantity less than 50% and only a few trends predicted
‘J. Tills, Modeling and Analysis Department, Sandia National Laboratories, Albuquerque, NM, letter report “Analysis of the HDR Test El 1.2,”1989.
CNotapplicable (not measured or reported)
‘Gas temperature comparison only
‘J. Green and K. Almenas, Nuclear Engineering Program, University of Maryland, College Park, MD,” letter report to the USNRC with title “Modeling of
the HDR El 1.4 Experiment Using CONTAIN 1.12,” March 1992.
Test similar to ISP-23 (T31.5), except the break room was located at a slightly higher elevation, in same location as in ISP-29
Rev. O c-22 6/30/97