3차원 와 격자 해석에 의한 날개의 공기역학적 특성 = Aerodynamic Characteristics of the Wing Using the Three-Dimensional Vortex Lattice Method

다국어 초록 (Multilingual Abstract)

This paper analyzes the aerodynamic characteristics of the various wings using the vortex lattice method(VLM) based on the potential flow theory. VLM calculates the lift coefficient and its slope with respect to the angle of attack(a) for the various shape of wing and aspect ration(AR), i.e., forward or backward swept wings, tapered wings and delta wings. The numerical results agree well with the existing experimental ones in the favorable range of angle of attack, however the discrepancy between them is caused by the real fluid properties. VLM can be easily extended to analyze the aerodynamic characteristics of geometrically complex three-dimensional bodies such as airplanes, cars and so on.