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[TRNSYS-users] Humidity capacitance ratio and internal gains



Dear TRNSYS-users,

 

I would like to know more about how to set a right value for the “humidity capacitance ratio” in the .bui file.

I know that it is about taking into account the materials in the zone that absorb moisture such as furniture, clothes, etc... but I don’t know how to set a correct value for a given type of zone.

 

For example, I am currently modelling a standard high school classroom, does anybody have an idea of what the ratio would be for that type of zone?

 

Otherwise, regarding the internal gains from the occupants, I am tempted to use a ratio of something like 0.75 for high school kids compared to “standard gain” from adults.

Has anybody had this thought already or should I just stick to the standard values?

 

Best regards,

 

François Badinier

Development Engineer

ICAX Ltd

1 Hatfield House

Baltic Street West

London EC1Y OST

francois.badinier@icax.co.uk

www.icax.co.uk