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박용철(Young-Chul Park),이용섭(Young-Sub Lee),지대영(Dai-Yong Chi) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
A nuclear fuel test loop (after below, FTL) is installed in IR1 of an irradiation hole in HANARO for testing neutron irradiation characteristics and thermo hydraulic characteristics of a fuel loaded in a light water power reactor or a heavy water power reactor. When HANARO is normally operated, the fuel loaded in the irradiation hole has a nuclear reaction heat generated by a neutron irradiation. To remove the generated heat and to maintain an operation condition of the test fuel, a main cooling water system (MCWS) is installed in the OPS of the FTL. This paper describes the cold function test results of the MCWS. It was confirmed through the test results that the system met the design requirements under a cold operation condition.
박용철(Young-Chul Park),이용섭(Young-Sub Lee),지대영(Dai-Yong Chi),안성호(Seong-Ho Ahn),김영기(Yong-Ki Kim) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
A nuclear fuel test loop (after below, FTL) is installed in IR1 of an irradiation hole in HANARO for testing neutron irradiation characteristics and thermo hydraulic characteristics of a fuel loaded in a light water power reactor or a heavy water power reactor. When HANARO is normally operated, the fuel has a nuclear reaction heat generated by a neutron irradiation. To remove the generated heat and to maintain an operation condition of the test fuel, a main cooling water system (MCWS) is installed in the FTL. This paper describes the performance characteristics of the main coolant pump. It was confirmed through the pump performance test that the performance was met the design requirement. But the pump operation point is about 96% of the pump shutoff head and the pump efficiency is very low. For an improvement of the pump efficiency, the pump impeller is selected to be met the pump specific velocity.