Advanced methods development for LWR trsansient analysis, final report : 1981-1982
Name
EL_TR_1982_021.pdf
Size
3.33 MB
Format
Adobe PDF
Checksum (MD5)
ef9a57b57a715f671497c55c5c42a5dc
Author(s)
Griggs, D. P.
Henry, Allan F.
Kazimi, Mujid S.
Alternative Title
LWR transient analysis
Methods development for LWR transient analysis
Date Issued
1982
Publisher
Cambridge, Mass. : Massachusetts Institute of Technology, Energy Laboratory and Department of Nuclear Engineering, 1982
Series/Report no.
Energy Laboratory report (Massachusetts Institute of Technology. Energy Laboratory) no. MIT-EL 82-021.
Abstract
The initial development of TITAN, a three-dimensional coupled neutronics/thermal-hydraulics code for LWR safety analysis, has been completed. The transient neutronics code QUANDRY has been joined to the two-fluid thermal-hydraulics code THERMIT with the appropriate feedback mechanisms modeled. A detailed steady-state and transient coupling scheme based on the tandem technique was implemented in accordance with the important structural and operational characteristics of QUANDRY and THERMIT. A two channel sample problem formed the basis for steady-state and transient analyses performed with TITAN. TITAN steady-state results were compared with those obtained with MEKIN and showed good agreement. A fuel pin model sensitivity study was performed for steady-state problems. Null transients, simulated turbine trip transients, and a rod withdrawal transient were analyzed with TITAN and reasonable results were obtained.
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