| Citation: | DU Siliang, TANG Zhengfei, ZHAO Wenjin, et al. Numerical simulation and test on aerodynamic characteristics of tandem fan wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(6): 1164-1175. doi: 10.13700/j.bh.1001-5965.2017.0393(in Chinese)
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Fan wing aircraft is a kind of new-concept new-principle aircraft, and especially its wing has unique aerodynamic principle.Fan wing can simultaneously generate lift and thrust.In order to further improve fan wing's aerodynamic characteristics, two fan wings were installed along the longitudinal body without changing fan wing's basic geometric parameters, which is composition of a tandem fan-wing aircraft.Through numerical simulation, the lift and thrust of the fan wings were calculated with the change of distance, height and installation angle of the front and rear fan wings, and the interaction rule of the aerodynamic characteristics between the front and rear fan wings was analyzed.In addition, the wind tunnel test model of a tandem fan wing was designed, and the wind tunnel test results and numerical calculation results were compared and verified preliminarily.The results show that in a certain condition of height, distance and installation angle, the aerodynamic characteristics of tandem fan wing have more advantages compared to single fan wing.Therefore, a tandem fan-wing aircraft has good development prospects and application advantages.
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