In the experiment of high Reynolds number, an airfoil of width, W= 30 cm, and chord length, C = 24 cm is subjected to airflow at 1 atm and 5 °C as shown in Figure 2.1. The airfoil can be approximated as a flat plate. The total drag force acting on the airfoil is 40.2 N. The pressure drag acting on the airfoil is measured to be 39.9 N by using pressure sensors throughout the surface. Given, the drag coefficient of the airfoil is Cp = 0.04, the density and kinematic viscosity of air at 1 atm and 5 °C is 1.269 kg/m³ and 1.382 x 10$ m²/s, respectively. i. Determine the friction drag coefficient of the airfoil.
In the experiment of high Reynolds number, an airfoil of width, W= 30 cm, and chord length, C = 24 cm is subjected to airflow at 1 atm and 5 °C as shown in Figure 2.1. The airfoil can be approximated as a flat plate. The total drag force acting on the airfoil is 40.2 N. The pressure drag acting on the airfoil is measured to be 39.9 N by using pressure sensors throughout the surface. Given, the drag coefficient of the airfoil is Cp = 0.04, the density and kinematic viscosity of air at 1 atm and 5 °C is 1.269 kg/m³ and 1.382 x 10$ m²/s, respectively. i. Determine the friction drag coefficient of the airfoil.
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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