DEVELOPMOENT OF TRIGA-BASED EXPERIMENTAL DEVICE FOR FIBER OPTICS IN-CORE INSTRUMENTATION TESTING FOR VHTRs

摘要

Given the harsh environments of high temperature reactors, new in-core instrumentation has to be developed, since existing approaches may fail prematurely in VHTRs. The paper discusses ongoing efforts to support progress of suitable advanced in-core instrumentation technologies and develop an experimental approach for evaluation of their performance within VHTRs via emulation of VHTR in-core conditions in TRIGA reactors. Successful completion of the presented computational analysis concludes the first phase of the project. As demonstrated, it is proposed to use a high temperature furnace with fiuence equivalency in operating TRIGA reactors.