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Outside Convection coefficient in EnergyPlus

Hi

I defined the outside face convection coefficient as an output. I see in some hours during the simulation, this coefficient is 1000 !!! How is that possible? And also in general , which method is more accurate? Because I changed the SurfaceConvectionAlgorithm:Outside from DOE-2 to AdaptiveConvectionAlgorithm and saw a significant difference in one of my outputs.

Outside Convection coefficient in EnergyPlus

Hi

I defined the outside face convection coefficient as an output. I see in some hours during the simulation, this coefficient is 1000 !!! How is that possible? And also in general , which method is more accurate? Because I changed the SurfaceConvectionAlgorithm:Outside from DOE-2 to AdaptiveConvectionAlgorithm and saw a significant difference in one of my outputs.