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박용철(Young-Cheol Park),이용섭(Yong-Sub Lee),지대영(Dae-Yong Chi) 한국유체기계학회 2008 유체기계 연구개발 발표회 논문집 Vol.2008 No.-
A nuclear fuel test loop (after below, FTL) is installed in the IR1 of an irradiation hole in NANARO far testing the neutron irradiation characteristics and thermo hydraulic characteristics of a fuel loaded in a light water power reactor or a heavy water power reactor. There is an in-pile section (IPS) and an out-pile section (OPS) in this test loop. When HANARO is operated normally, the fuel loaded into the IPS has a nuclear reaction heat generated by a neutron irradiation, To remove the generated heat and to maintain the operation conditions of the test fuel, a main cooling water system (MCWS) is installed in the OPS of the FTL. The MCWS is composed of a main cooler, a pressurizer, two circulation pumps. a main heater, an interconnection pipe line and instruments. The interconnection pipeline is a closed loop which is connected to an inlet and an outlet of the IPS respectively. The MCWS is under a cold function test during a start-up period. This paper describes the system flow network analysis results of the flow control of a main cooling water system in the HANARO fuel test loop. It was confirmed through the results that the flow was met the system design requirements.