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CLASSIC (Condensation Loop for Advanced Safety System in Containment)

작성자
kaeri
작성일
2019-05-09 15:43
조회
716
Details
Legal Name of Facility Passive Containment Cooling System (PCCS)
Abbreviated Name CLASSIC(Condensation Loop for Advanced Safety System In Containment)
Facility Type Reactor Based Instrument; Thermal Hydraulic Facility
Reactor Design Reference i-Power
Application Nuclear Safety; Thermal Hydraulics, Passive Safety System
Current Purpose A separate effect test facility to validate a cooling performance and evaluate the condensation heat transfer characteristics of the PCCS heat exchanger,
Short Description Conceptual design of an advanced nuclear power plant under development in Korea, i-POWER (Innovative Passive Optimized Worldwide Economical Reactor), includes a PCCS (Passive Containment Cooling System) to depressurize and cool down a reactor containment building during any design-basis accident. Cooling mechanism of PCCS is a condensation heat transfer outside a vertical heat exchanger tube bundle and natural circulation inside the tube and a large water pool of PCCT (Passive Condensation Cooling Tank). To validate a cooling performance and evaluate the condensation heat transfer characteristics of the PCCS heat exchanger, a separate effect test facility has been designed and constructed using a prototypic heat exchanger tube. The test facility is composed of a containment simulation vessel (CSV), a PCCT, a vertical heat exchanger tube, a circulation pump, flow control valves, piping, and their supporting structures. A bare heat exchanger tube with an equivalent diameter, a thickness, and a length as the prototype PCCS heat exchanger design was installed in the CSV. The CSV was designed to have sufficient volume to simulate the actual conditions of a prototype reactor containment building. In the test facility, the natural circulation pipe connected the heat exchanger inlet and outlet to the PCCT water pool, where a position of a return-water line nozzle at the PCCT wall could be varied by adjusting valves.
Status Operational
Operating Organization Korea Atomic Energy Research Institute – Thermal Hydraulics and Severe Accident Research Division (KAERI - THSARD)
Operating Organization URL http://www.kaeri.re.krhttp://www.thsard.re.kr
Homepage http://www.thsard.re.kr
Country Republic of Korea
Keywords i-Power, Passive safety system, Condensation
Local language Legal Name of Facility 원자로건물 피동 냉각계통


DB-List
Single

tube

test
PCCS-S0-P02-FC 0.2MPa, Forced convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P03-FC 0.3MPa, Forced convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P04-FC 0.4MPa, Forced convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P05-FC 0.5MPa, Forced convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S5-P03-FC 0.3MPa, Forced convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 5o
PCCS-S5-P04-FC 0.4MPa, Forced convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 5o
PCCS-S0-P03-NC 0.3MPa, Natural convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P02-NC-02 0.2MPa, Natural convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P03-NC-01 0.3MPa, Natural convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P03-NC-02 0.3MPa, Natural convection, Wall sub-cooling 40~60o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
PCCS-S0-P05-NC-01 0.5MPa, Natural convection, Wall sub-cooling 15o, Mass fraction of Non-condensable gas 0.1~0.6, Incline 0o
Bundle tube

test
PCCS-BT-P02-N0X-Tyy 0.2MPa, Forced convection, Wall sub-cooling 40o~60o, Mass fraction of Non-condensable gas 0.1~0.7, Incline 0o
PCCS-BT-P03-N0X-Tyy 0.3MPa, Forced convection, Wall sub-cooling 40o~60o, Mass fraction of Non-condensable gas 0.1~0.7, Incline 0o
PCCS-BT-P04-N0X-Tyy 0.4MPa, Forced convection, Wall sub-cooling 40o~60o, Mass fraction of Non-condensable gas 0.1~0.7, Incline 0o
PCCS-BT-P05-N0X-Tyy 0.5MPa, Forced convection, Wall sub-cooling 40o~60o, Mass fraction of Non-condensable gas 0.1~0.7, Incline 0o


Related Documents or Photo Files
File Name (Click to download) Description
Experimental Validation of Condensation Heat Transfer in PCCS (Passive Containment Cooling System) B. U. Bae et al., Proceedings of American Nuclear Society Annual Meeting, Philadelphia, PA, June 17-21, 2018
Construction Report of Separate Effect Test Facility for PCCS Y. S. Park et al., S15LM02-3-007, Korea Atomic Energy Research Institute, 2016.