A helicopter during a test has its four blades turning at 89 rpm with the blades oriented parallel to the plane of rotation, where each blade is 3.5 m long, and the average width is 200 mm, Transition is at a Reynolds number on 10^ 6. Find out what power is needed to maintain this rotation of the four blades? Consider only skin drag. Take air density = 1.225kg/m^3 and air %3D = 1.78 X 10E-5 Pa.s

A helicopter during a test has its four blades turning at 89 rpm with the blades oriented parallel to the plane of rotation, where each blade is 3.5 m long, and the average width is 200 mm, Transition is at a Reynolds number on 10^ 6. Find out what power is needed to maintain this rotation of the four blades? Consider only skin drag. Take air density = 1.225kg/m^3 and air %3D = 1.78 X 10E-5 Pa.s

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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