Research Article

Experimental Characterization of a Passive Emergency Heat Removal System for a GenIII + Reactor

Table 1

IES facility main geometrical data.

Inner diameter (m)Outer diameter (m)L (m)α (°)R (m)

Orifice0.012530.01715 (3/8 S40)0.56900
Heated test section0.012530.01715 (3/8 S40)2414.30
Unheated test section0.012530.01715 (3/8 S40)814.30
Upper header0.03810.04826 (1.1/2 S80)1.100
Elbow0.020930.02667 (3/4 S40)0.6900.15
Horizontal riser0.020930.02667 (3/4 S40)9.4500
Elbow0.020930.02667 (3/4 S40)0.20.15
Vertical riser0.020930.02667 (3/4 S40)10.7870
Siphon0.020930.02667 (3/4 S40)10
Condenser0.0590.073025 (2.1/2 S80)1−30
Elbows0.020930.02667 (3/4 S40)30
Vertical downcomer A0.020930.02667 (3/4 S40)9.45−900
Elbow0.020930.02667 (3/4 S40)0.20.15
Horizontal downcomer0.020930.02667 (3/4 S40)800
Vertical downcomer B0.020930.02667 (3/4 S40)9.23−850
Elbows0.020930.02667 (3/4 S40)2.10
Test section inlet header0.026640.0334 (1 S40)1.100