Open AccessCHEMCON User`s Manual, Version 3.1
Author(s) -
Michael J. Gaeta,
B.J. Merrill
Publication year - 1995
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/130675
Subject(s) - heat transfer , enclosure , thermal conduction , boiler blowdown , cabin pressurization , volume (thermodynamics) , mechanics , coolant , materials science , tokamak , node (physics) , nuclear engineering , transient (computer programming) , mechanical engineering , thermodynamics , computer science , engineering , physics , structural engineering , electrical engineering , nuclear physics , plasma , composite material , inlet , operating system
CHEMCON is a computer program developed to analyze thermal transients of tokamak fusion reactors. It contains a one dimensional, cylindrical geometry, conduction model that allows a variety of heat transfer modes within nodes and at node boundaries. Solid regions can be grouped into segments that communicate at their boundaries through a radiation enclosure model. CHEMCON includes a single volume, pressurization/condensation model that is used to include the effects of an in-vessel LOCA and the resulting heat transfer between hot surfaces and cold surfaces in contact with this volume. The code includes properties for 11 solid materials and two gases. CHEMCON also contains specialized models for modeling chemical reactions of node boundaries with air and steam including the gases produced from these reactions. In addition, a model treating the collapse of radiation shields within a gap is also included. CHEMCON is used mainly to simulate the thermal transient for post-blowdown loss-of-coolant-accidents
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