[3] An engineering student considers using a fan as a drone model. He plans to face the box-enclosed fan so that the air blast is directed face down through a 1 m diameter balde span area. The system weighs 2.3 kgf, and the student will secure the system from rotating. By increasing the power to the fan, he plans to increase the blade rpm and air exit velocity until the exhaust provides sufficient upward force to cause the drone to hover in the air. Determine (a) the air exit velocity to lift the drone, (b) the volumetric flow rate needed, and (c) the minimum mechanical power that must be supplied to the airstream. (The air density is 1.293 kg/m³) 600 rpm

[3] An engineering student considers using a fan as a drone model. He plans to face the box-enclosed fan so that the air blast is directed face down through a 1 m diameter balde span area. The system weighs 2.3 kgf, and the student will secure the system from rotating. By increasing the power to the fan, he plans to increase the blade rpm and air exit velocity until the exhaust provides sufficient upward force to cause the drone to hover in the air. Determine (a) the air exit velocity to lift the drone, (b) the volumetric flow rate needed, and (c) the minimum mechanical power that must be supplied to the airstream. (The air density is 1.293 kg/m³) 600 rpm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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