Science and Technology of Nuclear Installations / 2020 / Article / Tab 1

Research Article

Studies on Key Effect Factors of Natural Circulation Characteristics for Advanced PWR Reactor Cavity Flooding System

Table 1

Key parameters of REVECT facility.

ParametersValue/definitionRemarks

Test pressureAtmospherePressure in upper water tank
Water temperature at inlet of test section∼100°CThe saturation temperature corresponds to the pressure of the upper water tank
Target water level of the upper water tank7300 mmThe elevation of the bottom of the heating section is selected as the 0 m level, the same as the prototype
Elevation of steam exhaust port8000 mmRelative to the bottom of the heating section
Circulation typeNatural circulationThe same as the prototype
Working fluidDeionized water
Steam/water outlet area of the upflow pipe∼0.01 m2About 1/100 of the prototype RPV insulation steam invent port area
Cooling water inlet area of the test section∼0.01 m2About 1/100 of the prototype RPV insulation cooling water inlet port area
Structure of baffles3-part multilateral structureWith the same structure and “gap size” distribution as the prototype
Circulation resistanceScaling as the prototype to ensure the consistence of the comprehensive resistance of facility and the prototypeBased on the geometry and resistance distribution analysis of the prototype flow path

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