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open-ideas / IDEAS

Modelica library allowing simultaneous transient simulation of thermal and electrical systems at both building and feeder level.
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Air convection correlations #504

Closed damienpicard closed 8 years ago

damienpicard commented 8 years ago

Current version of IDEAS.Buildings.Components.BaseClasses.MonoLayerAir only supports vertical or horizontal surfaces for the convection computation. An assertwith level error is used.

However, I have a model with tilted surface. I propose to

For ventilated cavities, the model of energy+ could be used: http://bigladdersoftware.com/epx/docs/8-3/engineering-reference/exterior-naturally-vented-cavity.html

@rubenbaetens @Mathadon @GlennReynders do you have a particular opinion/preference about these correlations?

I've also noticed that we do not use the same correlations in IDEAS.Buildings.Components.BaseClasses.InteriorConvection than the ones used in Buildings.HeatTransfer.Convection.Functions.HeatFlux.

The ones in energy+ are also different: http://bigladdersoftware.com/epx/docs/8-0/engineering-reference/page-021.html

Mathadon commented 8 years ago

I'd prefer sticking with sealed cavities to avoid having too many parameters.

damienpicard commented 8 years ago

This is now handled in #505 and #506