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Sensible heat sink

asked 2022-08-29 09:35:26 -0500

MA_Meilleur's avatar

updated 2022-08-30 09:02:47 -0500

I'm interested in modeling a sensible heat load as a sink for a plant factory model (plants absorbs sensible heat from lights but releases latent heat) ex: sensible: -183W/m2 latent 260W/m2

What is the simplest way to have a constant negative sensible load on a schedule ? I didn't see a load object that could have a negative value.

Worst case scenario, I guess I could create a district cooling water loop.

I'm using OS 3.4.0 and E+ 22.1

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answered 2022-08-30 09:10:34 -0500

You can define a heat sink (something that takes heat out of the zone instead of adding heat to the zone) with an OtherEquipment object type in EnergyPlus. To use a negative power design level (total, per floor area, or per person), you'll need to set the Fuel Type input to "None". Be sure to also review the equation for fractions related to heat gains/losses.

In the OpenStudio application, this object type is defined in the Internal Loads tab (Other Equipment Definition, near the bottom of the definitions drop-downs along the left border).

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Asked: 2022-08-29 09:35:26 -0500

Seen: 89 times

Last updated: Aug 30