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Re: AW: humidity calculation

Bengt,



I also have a very basic qyestion how the humidity ratio ie. 50% rel
humidity should be given in the TMY weather files as 50% ? or as the decimal
0.5 ?. I get TRNSYS errors/warnings when RH is given in %


The humidity in a TRNSYS TMY weather file (like \trnsys15\weather\madisn.wi) should be given as kgH2O/kgdryair * 10000, so a humidity ratio instead of a relative humidity. In terms of outputs, Type89 reports relative humidity in %.

Cheers,
  David 


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