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Posted by Bill on April 17, 2007, 11:28 pm
> Hi,
>
> I am a student at the University of Sydney doing research in fan
> engineering. We mainly test our fans here using the British standards
> so are not fully conversant with the AMCA test standards. I was
> hoping someone may be able to help with the following query.
>
> I have some fan performance curves made in accordance with ASHRAE
> 51-1985 and AMCA 210-85 (tested without inlet duct and with discharge
> duct), but I can't work out whether the curves are based on the fan
> inlet or the fan outlet power.
>
> Thank you in advance for any help anyone can give me.
Based on this I'd say outlet.
"Fan performance curves and data show how much pressure and airflow a
given fan can produce at a given speed. This data is based on the system
resistance (pressure) occurring away from the fan. Fan performance
curves are developed by fan manufacturers based on the testing of a
prototype fan fabricated based on the theoretical design."
http://www.tifac.org.in/news/axfans.htm
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