In-vessel source term analysis code TRACER version 2.3 user's manual

Toyohara, Daisuke*; Ohno, Shuji; Matsuki, Takuo*; Hamada, Hirotsugu; Miyahara, Shinya

JNC TN9520 2004-004, 151 Pages, 2005/01

JNC-TN9520-2004-004.pdf:139.32MB

A computer code TRACER (Transport Phenomena of Radionuclides for Accident Consequence Evaluation of Reactor) version 2.3 has been developed to evaluate the species and the quantities of fission products (FPs) released into cover gas during fuel pin failure accident in an LMFBR. TRACER version 2.3 includes new and modified models shown below. a) Booth model, a new model for FPs release from fuel. b) Modified model for FPs transfer from fuel to bubble or sodium coolant. c) Modified model for bubbles dynamics in coolant. Computer models, input data and output data of TRACER Version 2.3 are described in this user's manual.