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SUMMARY:Towards Designing with 3D Bumps for Wing Drag Reduction - Jeremy E
 astwood - Engineering Design Centre
DTSTART:20100609T150000Z
DTEND:20100609T160000Z
UID:TALK25138@talks.cam.ac.uk
CONTACT:Tiziano Ghisu
DESCRIPTION:An ever-increasing awareness of the environmental impact of ou
 r actions today has led to a shift in\npriorities for designers in many di
 sciplines. Particular attention has been drawn to air travel and the long-
 term\nimplications of pumping CO2 and other combustion products directly i
 nto our high-level atmosphere.\nThis growing environmental pressure\, coup
 led with the economic drive to reduce operating costs\, places\nincreasing
  demands on the commercial aircraft designer to develop ever-more efficien
 t airliners. At the\ncentre of this drive for efficiency is aircraft drag 
 reduction.  One promising method of cutting down drag is\nthrough the use 
 of small bumps on the wing surface to break up local supersonic shockwaves
  into\nlower-entropy systems\, thereby reducing their associated drag.\n\n
 Whilst 2D bump performance on and off-design has been linked to key design
  variables\, this is not the case\nfor 3D bumps.  To be able to effectivel
 y design with 3D bumps\, a better understanding of the relationship betwee
 n\nkey design variables and overall performance\, as well as of the trade-
 off between 2D and 3D performance is\nrequired.
LOCATION:Arthur Marshall Meeting Room (next to EDC loft)\, Inglis Building
 \, Engineering Department
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