Experimental Research on Passive Residual Heat Removal System of Chinese Advanced PWR

Table 2

Effect of the hydraulic resistance.

Number	Hydraulic resistance (m)	Test		Calculation
		Natural circulation flow rate (kg/h)	Power (kW)	Natural circulation flow rate (kg/h)	Power (kW)
1	86	215.6	89.4	227	92.7
2	122	211.0	88.5	221	91.9
3	153	210.1	88.2	220	92.7
4	157	209.4	87.9	219	92.5
5	171	206.7	87.6	217	91.7

The height between air cooler and SG is 14.5 m, the height of chimney is 10.5, the water in SG is 5.1 m, the pressure is 6.4 MPa, and the temperature at the inlet is 20°C.