Hello
I have a little question about how can we calculate vapor permeability/permanence of a material based on water vapor diffusion resistance factor(Miu parameter in WUFI material database) ?
I am trying to calculate vapor pressure distribution in a roofing assembly and I need vapor permanence in order to calculate vapor pressure in each surface between layers.
Thank you very much in advance
permebility
Re: permebility
Please see the topics
Reference | Material Data | Water Vapor Diffusion
or
Appendix | Conversion Factor Table
in WUFI's on-line help for how to convert the permeances and permeabilities.
Regards,
Thomas
Reference | Material Data | Water Vapor Diffusion
or
Appendix | Conversion Factor Table
in WUFI's on-line help for how to convert the permeances and permeabilities.
Regards,
Thomas