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Thermal conductivity of pulsating heat pipe (PHP)

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Old   September 24, 2020, 07:03
Default Thermal conductivity of pulsating heat pipe (PHP)
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Kuldeep Tolia
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I have a doubt in the simulation of methanol-PHP. It is related to thermal conductivity. When I plotted the report file for thermal conductivity (details: report type- area-weighted average, variable-property - thermal conductivity) over evaporator and condenser region with flow time, I am getting values of around ~ 0.15 W/mK which is not correct as the thermal conductivity of PHP is in range of ten thousands. So I think this value is k value for the mixture inside the tubes. But I want to know how can I get the thermal conductivity values for the evaporator and condenser region each separately.

I have already used a similar method for surface heat transfer coefficient and its value is in range of my experimental data.

Can anyone help me with this?
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