What is the interpolation method used for temperature dependent material properties with property tables. Specifically I am looking for the fit used by SW for the water density and viscosity during a flow simulation.
I believe it is peicewise linear.
When I run the flow simulation and compare the results of the fluid properties with a linear fit of the properties from the materials tables I am running into a discrepancy. Any idea where this discrepancy is coming from? Thanks!
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