Journal of Applied Sciences1812-56541812-5662Asian Network for Scientific Information10.3923/jas.2015.644.653AfsharHossein KeshvariMohammad Ali 42015154In this study, considering the complexity of flow and its three dimensional nature, aerodynamic coefficients of a propeller is obtained and the effects of propeller flow on the tail were analyzed by solving Navier-Stokes equations numerically. The results indicated that the position of the propeller toward the tail has to neutralize the torque produced by the propeller as much as possible. At the same time, the lift and drag of the tail have to be in the proper range. The best angle and direction for propeller installation is proposed. Computational fluid dynamics were applied to find the flow about the propeller and the tail and to determine their interaction effects.]]>Barber, T., E. Leonardi and D. Archer,19981998Ellington, C.P., C. van den Berg, A.P. Willmott and A.L.R. Thomas,1996384626630Chun, H.H. and C.H. Chang,20022911451162Afshar, H. and M.M. Alishahi,2009937523757Hirata, N. and T. Hino,19971997Joh, C.Y. and Y.J. Kim,2004323746, (In Korean)Kikuchi, K., F. Motoe and M. Yanagizawa,19972510431056Kim, H.J. and H.H. Chun,1998355059Kim, H.J., H.H. Chun and K.H. Jung,2009143950Kornev, N. and K. Matveev,20032003Lee, S.H. and J. Lee,20114816331645Masuda, S. and K. Suzuki,19911708392Molina, J. and X. Zhang,20114911681179Murao, R., S. Seki and N. Tomita,20052005Park, K. and J. Lee,20082225782589Rozhdestvensky, K.V.,200642211283Tuck, E.O.,198428290292Yakhot, V., S.A. Orszag, S. Thangam, T.B. Gatski and C.G. Speziale,1992415101520