AU - Asad Ayoubi, Peyman AU - Ebrahimi, Mahmoud TI - Optimization of an airfoil used in the tip of wind turbine blades for maximizing its lift to drag coefficients ratio PT - JOURNAL ARTICLE TA - mdrsjrns JN - mdrsjrns VO - 16 VI - 13 IP - 13 4099 - http://mme.modares.ac.ir/article-15-7373-en.html 4100 - http://mme.modares.ac.ir/article-15-7373-en.pdf SO - mdrsjrns 13 ABĀ  - CP - IRAN IN - LG - eng PB - mdrsjrns PG - 222 PT - YR - 2017