A model propeller of diameter D = 0.8 m is tested in a wind tunnel at pressure and temperature conditions corresponding to an air density p = 1.2 kg/m³. With the propeller spinning at 2 = 2000 rpm (revolutions per minute), the thrust T was measured at several forward velocities V: V (m/s) Thrust (N) 0 10 20 30 300 275 210 100 Use dimensional analysis to find the dimensionless parameters that govern this data. )¯¯¯¯¯¯¯¯¯¯¯¯¯ Using the data, predict the thrust you would expect for a full-scale propeller of diameter D₁ = 3.0 m, spinning at 1500 rpm (revolutions per minute), at a forward velocity of 45 m/s, and at high-altitude conditions where the air density is 0.6 kg/m³. You may need to interpolate or extrapolate the experimental data.

A model propeller of diameter D = 0.8 m is tested in a wind tunnel at pressure and temperature conditions corresponding to an air density p = 1.2 kg/m³. With the propeller spinning at 2 = 2000 rpm (revolutions per minute), the thrust T was measured at several forward velocities V: V (m/s) Thrust (N) 0 10 20 30 300 275 210 100 Use dimensional analysis to find the dimensionless parameters that govern this data. )¯¯¯¯¯¯¯¯¯¯¯¯¯ Using the data, predict the thrust you would expect for a full-scale propeller of diameter D₁ = 3.0 m, spinning at 1500 rpm (revolutions per minute), at a forward velocity of 45 m/s, and at high-altitude conditions where the air density is 0.6 kg/m³. You may need to interpolate or extrapolate the experimental data.

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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