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Re: [TRNSYS-users] airnode regime data: capacitance

You can set the value to whatever you like; the field is in the information window for each airnode of the building in TRNBuild. The default value (1.2* volume) accounts only for the thermal capacitance of the air in the airnode. Typically the default value is multiplied by some factor between 5 and 10 to account for the thermal capacitance of all the furnishings in the zone.

kind regards,

 David


On 05/16/2022 03:39, Huijie Pu via TRNSYS-users wrote:
    Hello!
    In the 05-MultizoneBuilding document, The capacitance will be automatically set to a default value of 1.2*volume. Can the capacitance value be changed to 0.5*volume or 0.8*volume？



 


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David BRADLEY
Principal
Thermal Energy System Specialists, LLC
3 North Pinckney Street - suite 202
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d.bradley@tess-inc.com

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