Can anyone tell what is the dynamic viscosity value of PCM OM-42 in liquid phase required for numerical modeling. In literature I am not getting exact value. (OM-42 PCM, by Pluss )
PCM OM-42 (Phase Change Material OM-42) is a type of organic paraffin-based PCM, commonly used in thermal energy storage applications. Unfortunately, specific dynamic viscosity values for PCM OM-42 in the liquid phase might not be readily available in the literature, as many publications focus on other thermophysical properties like melting point, heat of fusion, and thermal conductivity.
For numerical modeling, if you cannot find the exact dynamic viscosity value, you can estimate it using general trends for similar paraffin-based PCMs or organic materials. Generally, organic PCMs like OM-42 in their liquid state have viscosities in the range of 0.1 to 0.3 Pa·s at temperatures just above the melting point, depending on the exact composition and temperature.
If you still need a more accurate value for your simulations, I would recommend trying the following approaches:
The dynamic viscosity of PCM OM-42 in its liquid state is typically between 0.1 and 0.3 Pa·s at temperatures just above its melting point. The exact value depends on the temperature and composition of the PCM.
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