VOF: Melting-Solidification

This tutorial demonstrates how to set up a melting and solidification analysis in Simcenter STAR-CCM+. It simulates the freezing of water in a pipe.

The geometry is shown in the following figure:



Water flows along a pipe with freezing walls. This scenario can be modeled as an axisymmetric two-dimensional pipe. The wall temperature is a function of position, with the middle of the wall being at the lowest temperature according to:

Twall=min(273.1,2010.0(x0.15)2+253.0)
(5251)

Table 1. Water and Ice Properties

Property

Value

Solidus temperature

273.0 K

Liquidus temperature

273.0 K

Density of water and ice

997.561 kg/m^3 (No expansion)

Viscosity of H2O

8.8871e-4 Pa s

Latent heat of fusion

100000.0 J/kg

Specific heat

4181.72 J /kg K

Thermal conductivity

Step function in T

The simulation is run using the melting-solidification model. The post-processing tools in Simcenter STAR-CCM+ are used to visualize the results.