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How can I mesure the coefficient of lift of an airfoil?

Question asked by Adil Bob on Jun 8, 2018

      I want to calculate the coefficient of the clark Y foil,so I did a parametric study of the flow and the parametre is the angle of attack.The probleme is that I don't know wich mesurment I shoud DO.I tried to apply the formula of the coeifficient using the mesuemrent of the normale force and the dynamic pressure but I dont get any STALL at a high angle of attack,CAN YOU HELP ME PLEASE,I need this in a college project.