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ASHRAE Loads in OpenStudio

asked 2016-09-12 15:56:28 -0500

clguen gravatar image

updated 2016-09-13 06:43:33 -0500

Can Open Studio calculate ASHRAE loads?

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Which loads? Outdoor air? Plug loads? Lighting loads? Please be more specific in your question.

TaylorRoberts gravatar image TaylorRoberts  ( 2016-09-12 16:14:03 -0500 )edit

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answered 2016-09-13 09:32:11 -0500

If your question is, can OpenStudio apply ASHRAE 90.1-20xx assumptions to a model, then the answer is yes. Take a look at this repo. The thing you probably want is the baseline automation measure, which hasn't been published to the building component library yet, but should be very soon.

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Does Open Studio use the ASHRAE Heat Balance Method to calculate design heating and cooling space loads (like IES preforms)?

clguen gravatar image clguen  ( 2016-09-13 13:25:18 -0500 )edit
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OpenStudio doesn't perform any physics calculations itself; it uses EnergyPlus for that. And, yes, EnergyPlus uses the heat balance method.

__AmirRoth__ gravatar image __AmirRoth__  ( 2016-09-13 13:42:02 -0500 )edit

Yes, EnergyPlus is the engine and OpenStudio is the GUI. How do I view peak design heating and cooling space loads within the framework of OpenStudio?

clguen gravatar image clguen  ( 2016-09-13 13:44:34 -0500 )edit

Look at the HVAC Sizing Summary table under EnergyPlus results.

__AmirRoth__ gravatar image __AmirRoth__  ( 2016-09-13 14:08:41 -0500 )edit

The OpenStudio standard report also has peak load summary plots.

ljbrackney gravatar image ljbrackney  ( 2016-09-13 14:23:28 -0500 )edit

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Asked: 2016-09-12 15:56:28 -0500

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Last updated: Sep 13 '16