[Equest-users] Fluid Cooler model

Dave Driver DDriver at dwyer.com
Mon Dec 29 09:50:11 PST 2008

All -

I need to model fluid cooler energy use in conjunction with refrigeration systems, and since eQuest Refrigeration Version cannot model water based HVAC, I am attempting to do this via a spreadsheet.  I have calculated the hourly net water loop loads, and I know or can derive other hourly variables such as gpm, outdoor wet bulb, range and approach, but I am not sure how to apply the default curve-fit polynomials to get the required fluid cooler fan airflow ratio.  At least, I can't get my logic to match a sample non-refrig test case.

Does anyone know or can anyone point me to documentation to show how this is done?


Dave Driver, PE
Dwyer Engineering
(800) 943-9937 x333
ddriver at dwyer.com<mailto:ddriver at dwyer.com>

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