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[EnergyPlus_Support] Solid Adsorbents

Hi all

In the object Materialproperty:mosisture:EMPD, there are 4 fields 
needed to be filled in, which look pretty like 4-order polynomial 
coefficients. I checked I/O and Engineering documentation and didnot 
found any detailed information about these except below:

Field: Constants to Define Equilibrium Equation
The next four fields describe the sorption isotherm curve used for 
building materials. These
four fields are dimensionless coefficients.

Could anyone tell me where to get these curves for the common Solid 
Adsorbents, e.g. Silica gels,Zeolites,Synthetic zeolites (molecular 
sieves),Activated aluminas, etc?  Or need to curve-fit them by 
something available?

Your helps would be appreciated.

Eric
 





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