Research of PWR Pressurizer Insurge Characteristics on Three-Dimensional Transient Modeling

Table 1

Basic design parameters of different PWR pressurizers.

Parameters	CPR1000	AP1000	AP600	EPR1000
Design pressure (absolute), MPa	17.23	17.23	17.23	17.23
Design temperature, °C	360	360	360	360
Operating temperature, °C	345	345	345	345
Operating pressure (absolute), MPa	15.5	15.5	15.5	15.5
Total volume, m^3	39.75	59.47	45.28	75
Spray flow, m^3/h	151~200	159	159	/
The inner diameter of cylinder, m	2.134	2.54	2.54	2.431
Height, m	13	15.4	11.97	14
The inner diameter of Surge line, m	0.284	0.366	/	0.326
Volume/reactor power, m^3/M	1.5×10^−2	1.75×10^−2	2.33×10^−2	1.67×10^−2