Patrick Dempsey Bridget Fitzpatrick Heather Garber Keith Hout Jong Soo Mok Aerodynamics Preliminary Design Review #1 October 3, 2000
Aircraft Geometry – 3-View
Aircraft Geometry -Airfoil section -Wing: Selig Donovan Vertical tail: flat plate assumption -Horizontal tail: flat plate assumption -Airfoil selection process -Gather data on various airfoils -Run data thru xfoil -Compare xfoil to experimental data (
Aircraft Geometry
Airfoil Data – S/D 7062
Aircraft Geometry WingV-tailH-tail Span(ft) AvgChord(ft) Aspect Ratio Taper Ratio LE Sweep (deg) Dihedral (deg)0.00 Planform Area (ft 2 )
Aircraft Geometry -Aircraft wetted area: 59.5 ft 2 -Wing – ft 2 -Struts -.83 ft 2 -Tails – 9.01 ft 2 -Landing gear ft 2 Aspect ratio of wing: 2.2
Aerodynamic Mathematical Model -Lift Coefficient - -Drag Coefficient - -Clmax - 2D: D: 1.22 CDo=Cdwing+Cdfuselage+Cdvtail+Cdhtail+CdLg+CdStrut CD=CDo+CDi CDi=(CL^2)/(pi*AR*e) CL=Clalpha*(alpha-alpha0lift)
Questions?