2010•Materials science forumOpen access

Construction of a High Temperature Grade 91 Sodium Component Test Loop

Hyeong Yeon Lee, Jae Han Lee, Tae Ho Lee, Jae Hyuk Eoh Lee, Tae‐Joon Kim, Yong Bum Lee

Abstract

A large scale sodium test facility of ‘CPTL’(Component Performance Test Loop) for simulating thermal hydraulic behavior of the Korean demonstration fast reactor components such as IHX(Intermediate Heat Exchanger), DHX(Decay Heat Removal Heat Exchanger) and sodium pump under development by KAERI is to be constructed. The design temperature of this test loop is 600°C and design pressure is 1MPa. The three heat exchangers are made of Grade 91 steel. Another sodium test facility of the ‘STEF’(Sodium Thermal-Hydraulic Experimental Facility) will be constructed next to the CPTL facility to simulate the passive decay heat removal behavior in the sodium cooled fast reactor. In this paper, the overall facility features of the CPTL and STEF are introduced and preliminary conceptual design of the facilities are carried out.

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Key concepts: Heat exchanger, Nuclear engineering, Thermal hydraulics, Sodium-cooled fast reactor, Decay heat, Materials science, Sodium, Loop (graph theory)