Investigation of a Coolant Mixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools

<table>Flow conditions at the fuel assembly head and upper grid  plate.</table>

Science and Technology of Nuclear Installations

Figure 5: Investigation of a Coolant Mixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools 