Analyses of PACTEL passive safety injection experiments GDE-21 through GDE-25

Tuunanen, Jari; Riikonen, Vesa; Kouhia, Jyrki; Vihavainen, Juhani

doi:10.1016/s0029-5493(97)00306-3

Cited by 15 publications

(2 citation statements)

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“…CR1000의 설계과정에서 완전피동안전계통의 검증을 위해 다양한 열수력적 시험이 수행되었으나 공개된 자 료는 극히 제한적이며, 핀란드의 PACTEL 시험장치를 이용하여 수행한 노심보충탱크(CMT) 성능시험 (7,8) , 중 국 NPIC에서 노심보충탱크(CMT) 개별효과시험장치 를 이용하여 수행한 CMT 성능시험 (9) , 일본 JAEA에서 수행한 ROSA/AP600 성능시험 (10) 의 일부 결과만이 공개되고 있다. 핀란드 VTT Energy에서는 PACTEL 시험장치를 이용하여 AP600 설계와 관련된 CMT에 대한 다양한 검증시험을 수행하였다.…”

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“…핀란드 VTT Energy에서는 PACTEL 시험장치를 이용하여 AP600 설계와 관련된 CMT에 대한 다양한 검증시험을 수행하였다. (7,8) Time TW-CMT1-101O-I TW-CMT1-102I-I TW-CMT1-102O-I TW-CMT1-103I-I TW-CMT1-103O-I TW-CMT1-104I-I TW-CMT1-104O-I TW-CMT1-105I-I TW-CMT1-105O-I TW-CMT1-106I-I TW-CMT1-106O-I TW-CMT1-107I-I TW-CMT1-107O-I TW-CMT1-108I-I TW-CMT1-108O-I TW-CMT1- Time TW-CMT1-101O-I TW-CMT1-102I-I TW-CMT1-102O-I TW-CMT1-103I-I TW-CMT1-103O-I TW-CMT1-104I-I TW-CMT1-104O-I TW-CMT1-105I-I TW-CMT1-105O-I TW-CMT1-106I-I TW-CMT1-106O-I TW-CMT1-107I-I TW-CMT1-107O-I TW-CMT1-108I-I TW-CMT1-108O-I TW-CMT1- …”

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An Experimental Study on Flow Distributor Performance with Single-Train Passive Safety System of SMART-ITL

Ryu¹,

Bae²,

Yang³

et al. 2016

Journal of Energy Engineering

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-In order to estimate the effect of flow distributors connected to an upper nozzle of CMT(Core Makeup Tank) on the thermal-hydraulic characteristics in the tank, a simplified 2 inch Small Break Loss of Coolant Accident(SBLOCA) was simulated by skipping the decay power and Passive Residual Heat Removal System(PRHRS) actuation. The CMT is a part of safety injection systems in the SMART (System Integrated Modular Advanced Reactor). Each test was performed with reliable boundary conditions. It means that the pressure distribution is provided with repeatable and reproducible behavior during SBLOCA simulations. The maximum flow rates were achieved at around 350 seconds after the initial opening of the isolation valve installed in CMT. After a short period of decreased flow rate, it attained a steady injection flow rate after about 1,250 seconds. This unstable injection period of the CMT coolant is due to the condensation of steam injected into the upper part of CMT. The steady injection flow rate was about 8.4% higher with B-type distributor than that with A-type distributor. The gravity injection during hot condition tests were in good agreement with that during cold condition tests except for the early stages.

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