Design and Fabrication of a Portable Wind Tunnel

Abstract

Building a portable mini wind tunnel using acrylic operating on upto 6ms-1 testing its functionality on styrofoam airfoil and finding its weight distribution using load cell and using servo motor to rotate and observe drag and lift at different angles. We then prioritized portability, strengthening the walls and implementing modular assembly using Interlocking joints to assemble four walls of each component and further assembling each parts using nuts and bolts. Focusing on creating a between portability and achieving a smooth airflow. We optimized the design of test section, particularly the thickness and length of key sections like the test section and diffuser, to achieve laminar flow. Looking ahead, we calculated the forces acting on the wind tunnel at different speeds to determine the optimal wall thickness and diffuser length. Fabrication involved creating Interlocking joints, nut-bolts arrangements for easy assembly and incorporating spaces for sensors and a display, ensuring a secure seal. We selected a data acquisition system to collect and visualize sensor data, and finally, design a portable carrying case for convenient transportation. Through these advancements, we aimed to create a portable wind tunnel that effectively balances functionality, portability, and accurate airflow analysis.