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aghorabah
01-06-2016, 10:41 PM
I have warehouse working at -20c
with heave frost protection system
consist of perforated pipes 4 inch diameter and 34 meter lenght 9 holes around the diameter
the number of pipes is 50
I need to calculate the required air flow for this system

Magoo
02-06-2016, 12:16 AM
Why have holes in sub structure ventilation pipes ? I think the holes will allow moisture ingrees to sub structure where you do not want it.

airtrackinc
26-06-2016, 01:45 AM
it’s around always good to go with complete heat load and heat gain calculation to find the actual Air flow