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Patrick Dempsey Bridget Fitzpatrick Heather Garber Keith Hout Jong Soo Mok

ORION AEROSPACE. Aerodynamics Preliminary Design Review #1 October 3, 2000. Patrick Dempsey Bridget Fitzpatrick Heather Garber Keith Hout Jong Soo Mok. ORION AEROSPACE. Aircraft Geometry – 3-View. ORION AEROSPACE. Aircraft Geometry. Airfoil selection process

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Patrick Dempsey Bridget Fitzpatrick Heather Garber Keith Hout Jong Soo Mok

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  1. ORION AEROSPACE Aerodynamics Preliminary Design Review #1 October 3, 2000 Patrick Dempsey Bridget Fitzpatrick Heather Garber Keith Hout Jong Soo Mok

  2. ORION AEROSPACE Aircraft Geometry – 3-View

  3. ORION AEROSPACE Aircraft Geometry • Airfoil selection process • Gather data on various airfoils • Run data thru xfoil • Compare xfoil to experimental data (www.nasg.com) • -Airfoil section • Wing: Selig Donovan 7062 • Vertical tail: flat plate assumption • Horizontal tail: flat plate assumption

  4. ORION AEROSPACE Aircraft Geometry

  5. ORION AEROSPACE Aircraft Geometry

  6. ORION AEROSPACE Airfoil Data – S/D 7062

  7. ORION AEROSPACE

  8. ORION AEROSPACE Aircraft Geometry

  9. ORION AEROSPACE Aircraft Geometry • Aircraft wetted area: 59.5 ft2 • Wing – 38.70 ft2 • Struts - .83 ft2 • Tails – 9.01 ft2 • Landing gear - .003 ft2 • Aspect ratio of wing: 2.2

  10. ORION AEROSPACE Aerodynamic Mathematical Model • Lift Coefficient - CL=Clalpha*(alpha-alpha0lift) -Drag Coefficient - CDo=Cdwing+Cdfuselage+Cdvtail+Cdhtail+CdLg+CdStrut CDi=(CL^2)/(pi*AR*e) CD=CDo+CDi -Clmax - 2D: 1.53 - 3D: 1.22

  11. ORION AEROSPACE Questions?

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