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1 vote

Which fan / blower type should I chose?

In order to do that, you do need a high speed airflow (or CFM). The (static) pressure that the fan can maintain doesn't matter here. … The high speed airflow creates dynamic pressure that acts on the beans and keeps them suspended, which is what your looking for if I understand correctly. …
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2 votes
2 answers
49 views

Can I improve this exhaust gas probe to be immune to pressure changes?

I'm designing a probe to provide a stable and continuous stream of exhaust gas sample to an analyser. The probe has to be inserted into the exhaust for about 20–30 cm to keep outside air from entering …
Bart's user avatar
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