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http://dx.doi.org/10.3795/KSME-A.2010.34.8.1059

Prediction of Hydraulic Performance of a Scaled-Down Model of SMART Reactor Coolant Pump  

Kwon, Sun-Guk (Korea Atomic Energy Research Institute)
Park, Jin-Seok (Korea Atomic Energy Research Institute)
Yu, Je-Yong (Korea Atomic Energy Research Institute)
Lee, Won-Jae (Korea Atomic Energy Research Institute)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.34, no.8, 2010 , pp. 1059-1065 More about this Journal
Abstract
An analysis was conducted to predict the hydraulic performance of a reactor coolant pump (RCP) of SMART at the off-design as well as design points. In order to reduce the analysis time efficiently, a single passage containing an impeller and a diffuser was considered as the computational domain. A stage scheme was used to perform a circumferential averaging of the flux on the impeller-diffuser interface. The pressure difference between the inlet and outlet of the pump was determined and was used to compute the head, efficiency, and break horse power (BHP) of a scaled-down model under conditions of steady-state incompressible flow. The predicted curves of the hydraulic performance of an RCP were similar to the typical characteristic curves of a conventional mixed-flow pump. The complex internal fluid flow of a pump, including the internal recirculation loss due to reverse flow, was observed at a low flow rate.
Keywords
Reactor Coolant Pump; Hydraulic Performance Prediction; Mixed-Flow Pump;
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Times Cited By KSCI : 4  (Citation Analysis)
Times Cited By SCOPUS : 0
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