18 Jul 2018

Need to levitate a ball(50mg mass, 7 cm diameter) into a duct(8cm diameter 70 cm length) by air. Which kind of fan/blower need to use, high airflow or high static pressure?

My question is not about how study the dynamics or maths inside, my problem is that i dont know is is better high airflow or output static pressure to move an obstacle in a duct by air.

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