Review Article

CFD Applications to Pressurized Thermal Shock-Related Phenomena

Table 11

Reference classification based on single phenomena in the two-phase PTS situation [5].

Part of the nuclear reactorFlow patternArea-specific phenomenaReferences

ECCFree liquid jet(a) Momentum transfer at the jet interface, including instabilitiesN/A
(b) Splitting of the jetN/A
(c) Condensation on the jet surface[17, 35, 105, 106]

ECC-CLZone of the impinging jet(a) Surface deformation by the jet, including the generation of wavesN/A
(b) Steam bubble entrainmentN/A
(c) Bubble migration and de-entrainmentN/A
(d) Turbulence production below the jet[4, 31, 34, 35, 65, 87, 9496, 105, 119]

CLZone of horizontal flow(a) Momentum exchange at the gas–liquid interface, including the generation of waves and the growth or damping of these waves[35]
(b) Heat and mass transfer (condensation) at the gas–liquid interface, including its influence on the momentum transfer[15, 17, 35, 65, 9193, 104107]
(c) Heat transfer to the walls[17, 34, 5759, 87, 91, 92, 106]
(d) Turbulence production at the interface[35, 9496, 105, 119]
(e) Turbulence production at the walls[31, 34, 66, 67, 73, 87, 9496, 105, 119]
(f) Influence of the phase change on turbulence and wave patternN/A
(g) Mixing/stratification of hot and cold-water streams[4, 15, 3032, 34, 41, 5759, 6567, 73, 7981, 87, 9196, 105, 119]

DCFlow in the downcomer in the case of a partially filled cold leg(a) Turbulence production at the walls[30, 31, 4042, 79, 81]
(b) Mixing/stratification of hot and cold water[4, 14, 15, 3032, 35, 4042, 5759, 6567, 73, 7981, 91, 92, 94, 119]
(c) Heat transfer to the walls[17, 40, 5759, 65, 9193, 106]
Flow in the downcomer in the case of the water level being below the cold leg nozzle(a) Separation of the incoming water jet from the downcomer wall or not[108]
(b) Momentum transfer at the jet interface, including instabilitiesN/A
(c) Splitting of the jetN/A
(d) Phase change at the jet surfaceN/A
(e) Heat transfer to the walls[108]