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air filtering
engineheat:
I found some centrifugal fans that can output up to 800 Pa of air pressure which should be enough for HEPA filters. The filter I want to use has much larger area than the fan outlet. I'm thinking about building a customized funnel shaped "duct" for this. If I remember correctly about fluids, if the air pressure at the fan outlet is say, 100 Pa, then 100 Pa will also be at the filter despite its larger area right? In another word, pressure is transmitted inside an enclosed space?
Thanks
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