Experimental Studies for the VVER-440/213 Bubble Condenser System for Kola NPP at the Integral Test Facility BC V-213

Table 6

Initial and boundary conditions of the tests.

Test facility parameter	Test 1	Test 4	Test 5	Test 7	Test 9	Test 12
𝑉𝑣1	Fully filled with water 𝑇=271.5°C	Fully filled with water 𝑇=271.5°C	Fully filled with water 𝑇=271.5°C	Water level 2.325 m 𝑇=259°C	Water level 2.325 m 𝑇=259°C	Fully filled with water 𝑇=271.5°C
𝑉𝑣2	Fully filled with water 𝑇=298.5°C	Fully filled with water 𝑇=298.5°C	Fully filled with water 𝑇=298.5°C	Water level 1.370 m 𝑇=259°C	Water level 1.370 m 𝑇=259°C	It is not used
𝑉𝑣3	It is not used	It is not used	It is not used	Steam 𝑇=259°C	Steam 𝑇=259°C	It is not used
𝑉𝑣4	It is not used	It is not used	It is not used	It is not used	It is not used	It is not used
𝑉𝑣5	Water level 1.270 m 𝑇=327°C	Water level 1.270 m 𝑇=327°C	Water level 1.270 m 𝑇=327°C	Steam 𝑇=259°C	Steam 𝑇=259°C	Water level 3.000 m 𝑇=327°C
System pressure	12.5 MPa	12.5 MPa	12.5 MPa	4.7 MPa	4.7 MPa	12.5 MPa
Additional supply of steam (𝑃=8 MPa, 𝑇=300°C) into 𝑉𝑣1	It is not used	It is not used	It is not used	0.4 kg/s (100–500 s) 0.2 kg/s (after)	0.4 kg/s (100–500 s) 0.2 kg/s (after)	It is not used
Position of discharge nozzle	Middle	Near	Far	Far	Fear	Middle
Nozzle diameter	45 mm	56 mm	56 mm	56 mm	56 mm	4 mm