Table 1: Summary of mathematical models used in current study [17-19].
| Sl. No. | Simulation Parameters | Short Descriptions |
| 1 | Model & Solver | 3D Single precision, 1st order Implicit, Pressure based Unsteady |
| 2 | Boundary conditions | Velocity inlet, Pressure outlet, Pressure Inlet, Wall |
| 3 | Energy and Viscosity | Standard k-€, standard wall functions, Cµ-0.09,C1€-1.44,C2€-1.92,TKE Prandtl No-1, Heat Flux Outer Wall - 3800 Watt/m2, Heat Flux Inner Wall of Stopper Rod - 200 Watt/m2 |
| 4 | Volume of Fluid | Explicit, Courant No-0.25, Implicit body force |
| 6 | Time step size | 0.05 sec per iteration |
| 7 | Control Solution | Pressure velocity coupling-SIMPLE, Discretization (Pressure-PRESTO,Momentum-1st order upwind, Volume fraction- Geo-Reconstruct, Turbulent kinetic energy and dissipation - 1st order upwind scheme) |
| 8 | Mesh Size | 0.01 meter or 10 mm |
| 9 | Material Used | Air, water, kerosene oil, argon |
| 10 | Velocity | 1 meter/sec |