publication . Article . 2017

Comparison of three small-break loss-of-coolant accident tests with different break locations using the system-integrated modular advanced reactor-integral test loop facility to estimate the safety of the smart design

Sung-Jae Yi; Hyun-Sik Park; Hwang Bae; Sung-Uk Ryu; Dong Eok Kim;
Open Access
  • Published: 01 Aug 2017 Journal: Nuclear Engineering and Technology, volume 49, pages 968-978 (issn: 1738-5733, Copyright policy)
  • Publisher: Elsevier BV
Abstract
Abstract Three small-break loss-of-coolant accident (SBLOCA) tests with safety injection pumps were carried out using the integral-effect test loop for SMART (System-integrated Modular Advanced ReacTor), i.e., the SMART-ITL facility. The types of break are a safety injection system line break, shutdown cooling system line break, and pressurizer safety valve line break. The thermal–hydraulic phenomena show a traditional behavior to decrease the temperature and pressure whereas the local phenomena are slightly different during the early stage of the transient after a break simulation. A safety injection using a high-pressure pump effectively cools down and recover...
Subjects
free text keywords: Small-break loss-of-coolant accident, System-integrated Modular Advanced ReacTor, Thermal–hydraulic phenomena, Safety injection, Core uncovery, Nuclear engineering. Atomic power, TK9001-9401, Shutdown, Safety valve, Modular design, business.industry, business, Pressurizer, Water cooling, Line Break, Loss-of-coolant accident, Coolant, Mechanical engineering, Nuclear engineering, Engineering
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