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The aerodynamic characteristics of freewing

Ming Xiao

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Abstract

The free-wing is a new concept and has promising applications for pilotless aircraft.The geometry of airfoils,which is proper for the free-wings,was numerically investigated and the results indicated that the airfoils must be featured by the S-shaped camber.The aerodynamic characteristics of free-wings with the same plane form but 4 different airfoils(GO741,MH45,MH49 and MH78 all have the S-shaped camber)were numerically simulated.The influence of the camber of the airfoils on aerodynamic characteristics has been presented.The influence of the non-uniform coming flow were also studied.

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The free-wing is a new concept and has promising applications for pilotless aircraft.The geometry of airfoils,which is proper for the free-wings,was numerically investigated and the results indicated that the airfoils must be featured by the S-shaped camber.The aerodynamic characteristics of free-wings with the same plane form but 4 different airfoils(GO741,MH45,MH49 and MH78 all have the S-shaped camber)were numerically simulated.The influence of the camber of the airfoils on aerodynamic characteristics has been presented.The influence of the non-uniform coming flow were also studied.

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Available abstract

The free-wing is a new concept and has promising applications for pilotless aircraft.The geometry of airfoils,which is proper for the free-wings,was numerically investigated and the results indicated that the airfoils must be featured by the S-shaped camber.The aerodynamic characteristics of free-wings with the same plane form but 4 different airfoils(GO741,MH45,MH49 and MH78 all have the S-shaped camber)were numerically simulated.The influence of the camber of the airfoils on aerodynamic characteristics has been presented.The influence of the non-uniform coming flow were also studied.

Key concepts: Camber (aerodynamics), Airfoil, Aerodynamics, Wing, Structural engineering, Aerospace engineering, Mechanics, Engineering

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