Aerodynamic Characteristics Including Scale Effect of Several Wings and Bodies Alone and in Combination at a Mach Number of 1.53 Page: 4 of 85
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An example of the consequent state of ignorance is the
current uncertainty as to whether the area of wing blanketed
by the body should be considered in estimating the supersonic
performance of a wing-body combination, as is common in the
To provide information on the interaction of wings and
bodies at supersonic speeds was the aim of the present
investigation. Measurements were made at 1.53 Mach number of
the lift, drag, and pitching-moment characteristics of
several wings and bodies and the resulting combinations.
Models were chosen to bring out possible variations of aero-
dynamic characteristics resulting from modifications of wing
plan form or of body contour. Moreover, the models were
chosen similar to possible designs of supersonic aircraft so
that the results might be of direct application0 Variation
of tunnel pressure provided a range of test Reynolds numbers
to give an insight into the effects of scale.
In the present report, the results for the wings and
bodies of revolution alone are first analyzed in comparison
with existing theory. Following that, the effect of combining
these basic forms is discussed, and simple empirical rules
are derived for estimating the characteristics of a combi-
nation from those of its components. An attempt is made to
explain the physical basis for these rules, and certain limit-
ations to their validity are suggested.
NACA RM No. A6K2p
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Van Dyke, Milton D. Aerodynamic Characteristics Including Scale Effect of Several Wings and Bodies Alone and in Combination at a Mach Number of 1.53, report, December 20, 1946; (digital.library.unt.edu/ark:/67531/metadc58084/m1/4/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.