Measurement of Airfoils in a Wind Tunnel

The Airfoil Measurement in Wind Tunnel apparatus is designed to study the aerodynamic characteristics of airfoils by measuring lift and air resistance under controlled airflow conditions. The experiment enables students to investigate the effect of the angle of attack on aerodynamic forces and determine the optimum angle of attack using a polar diagram. It provides a practical understanding of aerodynamic principles used in aircraft wing design and fluid mechanics. Manufactured by Atico Export India.

Principle

When air flows over an airfoil, aerodynamic forces including lift and drag (air resistance) are generated. These forces depend on the shape of the airfoil, airflow velocity, and the angle of attack. By varying the angle of attack and measuring the corresponding lift and drag forces, a polar diagram can be plotted to evaluate the aerodynamic performance and identify the optimum operating angle of the airfoil.

Objectives

• Measure the lift force acting on an airfoil.
• Measure the air resistance (drag) acting on an airfoil.
• Study the effect of angle of attack on aerodynamic forces.
• Plot the polar diagram of lift versus drag.
• Determine the optimum angle of attack for the airfoil.

System Components

Wind Tunnel :

• Quantity: 1

Suction and Pressure Fan :

• Quantity: 1

Measurement Trolley for Wind Tunnel :

• Quantity: 1

Aerodynamics Accessories :

• Quantity: 1 Set

Sector Dynamometer :

• Capacity: 0.65 N
• Quantity: 1

Wind Tunnel System :

• Provides a controlled airflow environment for aerodynamic testing.

Adjustable Airfoil Position :

• Allows precise variation of the angle of attack.

Accurate Force Measurement :

• Measures both lift and drag forces simultaneously.

Polar Diagram Analysis :

• Enables graphical evaluation of aerodynamic performance.

Educational Design :

• Ideal for demonstrating the principles of aerodynamics and fluid mechanics.