Re: [EnergyPlus_Support] DX Coils

[TangoJim <TangoJim@xxxxxxxxx>]

DOE-2 has several default system part-load curves. The
problem is that DOE-2 curves use deg F inside of E+
deg C for the wet-bulb and dry-bulb. Therefore, one
must change these coefficients. I developed a routine
to do this.

James Trowbridge

--- "Griffith, Brent" <brent_griffith@xxxxxxxx> wrote:
> Greetings,
> 
> RE: input for Coil:DX:CoolingBypassFactorEmpirical
> 
> Has anyone generated Part Load Fraction Correlation
> functions for larger
> industrial rooftop package units?  It seems
> difficult to get part load data
> for specific models.   All I have been able to come
> up with is to generate a
> suitable cubic from the Part_Load Factor Curve
> provided as Figure 1. in ARI
> Standard 340/360-2000.  This seems to work but I am
> not sure if this is the
> way to go since it often goes way below the E+ limit
> of 0.7.  Also I can't
> seem to push the SHR higher than 0.75 which is less
> than what is indicated
> by the equipment specs I am using.  
> 
> Any ideas?  Thanks in advance.  
> 
> Brent Griffith
> 


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