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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 창립 70주년 기념 학술대회
발행연도
2015.11
수록면
4,145 - 4,148 (4page)

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An integral type reactor, SMART (System-integrated Modular Advanced ReacTor) has been recently equipped with an additional passive safety system, which maintains the reactor in a safe condition during the design basis accident without any AC power to drive the safety injection pumps and operator action. For verification of the SMART passive safety system, a single train of a passive safety system consisting of a core makeup tank (CMT), a safety injection tank (SIT), and two stages of an automatic depressurization system (ADS) were additionally attached to the existing SMART-ITL (Integral Test Loop for SMART) facility. In this paper, we describe the test procedure and test result of a SBLOCA simulation to evaluate the performance of the CMT, which has a flow distributor in the upper part. The test was carried out according to the sequence of events (SOE) for an SBLOCA scenario. Most of the thermal-hydraulic properties of the CMT, such as the pressure, temperature, injection flow rate, and water level were obtained during the test with the operation of the passive safety system. We conducted experiments using two types of CMT, which have the same volume but different aspect ratio, called CMT #1-1 and CMT #1-2 for a better understanding of the shape effect. Characteristic properties such as the pressure, thermal stratification, and injection behavior were studied and compared.

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Abstract
1. Introduction
2. Results and Disscussion
4. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-550-002161599