Danube Nuclear Cooling Barge Hydraulic Simulator

Water Surface Profile Sunk Barges (Weir Bed) Paks Pump Intake Sill

Backwater Elevation Rise at Intake: +0.52 m (+52 cm)

Intake & Cooling Margin NPSH SAFE

Danube Water Level

85.92 m

+0.52 m vs raw

Suction Head Margin

3.42 m

Min req: 2.80 m

Intake Water Temp

26.8 °C

Legal limit: 30.0 °C

Reactor Capacity

2000 MW

100% full thermal power

Submerged hulls create an artificial bottom sill (broad-crested weir effect), elevating upstream intake water pool above the critical 85.20m pump suction sill limit.

Hydraulic & Flow Controls

Danube River Flow Rate (Q) 1,150 m³/s

Manning Roughness Bed Coeff (n) 0.032

Ambient River Temperature 26.8 °C

Emergency Ballast Barges

Barge Alpha (78m × 10m) SUBMERGED

Ballast: 1,450 t water | Pos: 240m d/s

Barge Bravo (82m × 11m) SUBMERGED

Ballast: 1,600 t water | Pos: 290m d/s