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A Method for the Direct Determination of Wing-Section Drag
In order that the method may be more easily understood, we will first consider the simpler case when there is no lift, but only drag, and when the streamlines at the measuring point behind the obstacle are nearly parallel. Moreover, the flow is assumed not to deviate much from the two-dimensional flow.
Date:
November 1925
Creator:
Betz, A.
System:
The UNT Digital Library
Recent Progress in the Theoretical Deduction of Airplane Wings
The designing of an airplane requires an accurate knowledge of the aerodynamic properties of its wings, as expressed in the polar diagram. It is important to continue the theoretical researches on the aerodynamic phenomena of wings, in order to determine by calculation, their fundamental characteristics and to increase and formulate our knowledge in this field.
Date:
November 1925
Creator:
Panetti, M.
System:
The UNT Digital Library