DESIGN AND DEVELOPMENT MEDIA MINI WIND TUNNEL

Abstract

This study aims to design, build, and analyze the lift force, down force, and airflow characteristics of the NACA 0012 airfoil as a solution to the problem of the absence of media. This study uses the Analysis, Design, Development, Implementation, and Evaluation (ADDIE) method. The study shows the stages of the mini wind tunnel design process and uses a technology system in the form of Arduino to help read the force using the hx711 load cell sensor which is useful for reading the weight of an object and is connected to the Liquid Cristal Display (LCD) screen. The result of the study shows that airfoils with an angle of attack of 15º and -15º with a wind speed touching the airfoil of 5.5 m / s, the lift force and down force on the NACA 0012 airfoil tested through the mini wind tunnel media show that the airfoil angle tilt affects the force acting on the airfoil. The airflow characteristics produced on the NACA 0012 airfoil with the help of steam and wind pressure of 2.8 m/s with angles of attack of 0º, 5º, 10º, 15º, -5º, -10º, and -15º found that each angle of attack has airflow characteristics that will affect the force received by the airfoil.