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The wave drag of a supersonic wing is conventionally divided into contributions due to

  • A.Volume and lift
  • B.Friction and separation
  • C.Downwash and upwash
  • D.Camber and Reynolds number

Answer: A

Linearised supersonic theory separates the drag into a part depending on the thickness distribution, the volume-dependent wave drag, and a part depending on the loading, the wave drag due to lift. Both are pressure drags present in inviscid flow, and both are quite distinct from induced drag and skin friction.

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