Experimental Study on the Performance of the Passive Safety Injection in an IIST

Journal Article · Tue Jul 15 04:00:00 EDT 2003 · Nuclear Technology

OSTI ID:20837766

Chang, C -J ^[1]; Lee, C -H ^[1]; Hong, W -T ^[2]; Wang, Lance L.C. ^[3]

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1. Institute of Nuclear Energy Research, Taiwan (China)
2. Gengood Engineering Corporation, Taiwan (China)
3. Taiwan Power Company, Taiwan (China)

A passive core cooling system (PCCS) has been installed at the Institute of Nuclear Energy Research Integral System Test facility. It includes three core makeup tanks (CMTs), three accumulators (ACCs), a four-stage automatic depressurization system (ADS), a passive residual heat removal (PRHR) heat exchanger submerged into an in-containment refueling water storage tank (IRWST). The purpose of this research is to study the performance of the PCCS with passive injection during either a pressure balance line (PBL) break or a direct vessel injection (DVI) line break. Five experiments were performed simulating break area ratios of 0.5 to 2.0% (1.88 to 3.77 mm) at either a PBL or a DVI line. The general system response and the interactions of CMT, ACC, PRHR, and IRWST to the effect of core heat removal are observed and discussed. The experimental results show long-term core cooling can be reached for the cases of the PBL break and the DVI-line break following the PCCS actuation procedures.

• OSTI ID: 20837766
• Journal Information: Nuclear Technology, Journal Name: Nuclear Technology Journal Issue: 1 Vol. 143; ISSN 0029-5450; ISSN NUTYBB
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
AFTER-HEAT REMOVAL
CONTAINMENT
COOLING
DEPRESSURIZATION SYSTEMS
HEAT
HEAT EXCHANGERS
PERFORMANCE
RHR SYSTEMS
SAFETY INJECTION
TANKS
TEST FACILITIES
WATER