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

Table 3

Effect of the initial pressure.

Number	Pressure (MPa)	Test		Calculation
		Natural circulation flow rate (kg/h)	Power (kW)	Natural circulation flow rate (kg/h)	Power (kW)
1	3.53	151.0	76.1	153.2	74.7
2	4.51	160.2	80.8	161.6	80.2
3	6.82	170.3	88.0	163.0	86.2
4	7.80	188.3	93.6	176.7	89.5

The height between air cooler and SG is 14.5 m, the height of chimney is 12.8, the water in SG is 5.1 m, the hydraulic resistance is 105, and the temperature at the inlet is 33°C.