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ASHRAE 55-2004 Adaptive model temperature loss some months

Hi all, i am using adaptive model ASHRAE 55-2004 in EnergyPlus to evaluate thermal comfort in a free-running building. However, with some weather files, the output:variable did not showed adaptive model temperatures of some months, so the thermal comfort status showed the value of -1 which means not applicable. Please see the attached image.

I tried many weather files from EnergyPlus database. Some were ok but some were not, for instance most cases in Southern China where my building locates could not calculate adaptive model temperatures for January and December. Any thought? Thanks.image description

ASHRAE 55-2004 Adaptive model temperature loss some months

Hi all, i am using adaptive model ASHRAE 55-2004 in EnergyPlus to evaluate thermal comfort in a free-running building. However, with some weather files, the output:variable did not showed adaptive model temperatures of some months, so the thermal comfort status showed the value of -1 which means not applicable. Please see the attached image.

I tried many weather files from EnergyPlus database. Some were ok but some were not, for instance most cases in Southern China where my building locates could not calculate adaptive model temperatures for January and December. Any thought? Thanks.image description

ASHRAE 55-2004 55 Adaptive model temperature loss some months

Hi all, i am using adaptive model ASHRAE 55-2004 55 in EnergyPlus to evaluate thermal comfort in a free-running building. However, with some weather files, the output:variable did not showed adaptive model temperatures of some months, so the thermal comfort status showed the value of -1 which means not applicable. Please see the attached image.

I tried many weather files from EnergyPlus database. Some were ok but some were not, for instance most cases in Southern China where my building locates could not calculate adaptive model temperatures for January and December. Any thought? Thanks.image description

ASHRAE 55 Adaptive model temperature loss some months

Hi all, i am using adaptive model ASHRAE 55 in EnergyPlus to evaluate thermal comfort in a free-running building. However, with some weather files, the output:variable did not showed adaptive model temperatures of some months, so the thermal comfort status showed the value of -1 which means not applicable. Please see the attached image.

I tried many weather files from EnergyPlus database. Some were ok but some were not, for instance most cases in Southern China where my building locates could not calculate adaptive model temperatures for January and December. Any thought? Thanks.image description