Browsing by Author "Usman Ali Jajja"

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    Design and fabriction of sub-sonic open type wind tunnel
    (UMT Lahore, 2018-06) Qazi Fahad Tarik; Sanwal Bin Tahir; Usman Ali Jajja
    The aerodynamic, which is the branch of the fluid dynamics, plays a very important role in our daily life. Any device that is related to aerodynamics or fluid dynamics it has to be very efficient so that it can be economical and have good efficiency. The wind tunnels are using to study the behavior of air on the machine or device related to the aerodynamics. The object with different shape like sphere, disc or any arbitrary are placed inside the tunnel with different orientation in order to study the flow patterns on it. The study of these patterns help in the reduction of the force exerting on the body in opposite direction. The aim of our project is to make an efficient design of the wind tunnel in low speed and to analyze the forces acting on the body that is placed in the test section of the wind tunnel. This tunnel will be fabricated and designed under the available data of different research papers. The objects of different shapes are placed in the section with the different placement to study the flow patterns. The gauges are used to calculate the effect of airflow on the different objects. The smoke will visualize the flow patterns to make an easy research and efficient work for the researcher or an analysis. Here, the different variables like drag force, angle of attack, lift, air velocity, surface roughness and temperature are analysis and will be varied to study behavior of the air on the object.