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GaryGary · 01-23-13, 08:15 PM

Hi,

Here is a paper on bags and other simple air measurement:
http://www.builditsolar.com/Referenc...lbnl-51550.pdf

and some more: http://www.builditsolar.com/Referenc...lbnl-51551.pdf

I tried a really big bag to measure solar air heating collector flow rate. It worked fairly well: Adventures in Measuring Airflow for Solar Collectors

Another way to do it is to get one of the little Kestrel wind meters and do a velocity survey across the duct, and average the results.

Gary

01-23-13, 08:15 PM	#3
GaryGary Apprentice EcoRenovator Join Date: Nov 2008 Location: SW Montana Posts: 139 Thanks: 1 Thanked 21 Times in 15 Posts	Hi, Here is a paper on bags and other simple air measurement: http://www.builditsolar.com/Referenc...lbnl-51550.pdf and some more: http://www.builditsolar.com/Referenc...lbnl-51551.pdf I tried a really big bag to measure solar air heating collector flow rate. It worked fairly well: Adventures in Measuring Airflow for Solar Collectors Another way to do it is to get one of the little Kestrel wind meters and do a velocity survey across the duct, and average the results. Gary