Research and Evaluation for Passive Safety System in Low Pressure Reactor

Table 2

Typical test matrix.

Experiment	Condition; (Break location, break size, and water level and temperature in tank)	Objectives
First series
PSS-11	Cold leg, 22 mm, 23 m, 32°C	Validation of passive core injection
PSS-12	Hot leg, 22 mm, 23 m, 32°C	Validation of passive core injection
PSS-13	Cold leg, 18 mm, 23 m, 32°C	Break size effect
PSS-14	Cold leg, 14 mm, 23 m, 32°C	Break size effect
PSS-15	Cold leg, 10 mm, 23 m, 32°C	Break size effect
PSS-16	Hot leg, 18 mm, 23 m, 32°C	Break size effect
PSS-17	Hot leg, 14 mm, 23 m, 32°C	Break size effect
PSS-18	Hot leg, 10 mm, 23 m, 32°C	Break size effect
PSS-19	Cold leg, 22 mm, 18 m, 32°C	Water level effect
PSS-110	Cold leg, 22 mm, 13 m, 32°C	Water level effect
PSS-111	Cold leg, 22 mm, 23 m, 22°C	Water temperature effect
PSS-112	Cold leg, 22 mm, 23 m, 42°C	Water temperature effect
Experiment	Condition; (Resistance^*, startup mode^*, and water temperature in tank)	Objectives
Second series
PSS-21	100% of prototype, cold startup, 32°C	Validation of passive residual heat removal
PSS-22	120% of prototype, cold startup, 32°C	Resistance effect
PSS-23	150% of prototype, cold startup, 32°C	Resistance effect
PSS-24	100% of prototype, hot startup, 32°C	Startup mode effect
PSS-25	100% of prototype, cold startup, 22°C	Water temperature effect
PSS-26	100% of prototype, cold startup, 42°C	Water temperature effect

Resistance includes.
Startup mode includes cold startup and hot startup.
Cold startup: the fluid in the PL is cold before the natural circulation is established.
Hot startup: the fluid in the PL is warm before the natural circulation is established.