Measurements of Flow in the Boundary Layer of a 1/40-Scale Model of the U. S. Airship "Akron." (1933)
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c-pressure orifice were connected to the total-head tube from the hull and operated, by micromanometers in the test chamber below. means of an eccentric and contactor, an electric coi liter Measurements of the total head and of the static which gave this distance directly in thousandths of an… … Figure 1.—Airship model Akron mounted in wind tunnel stations is shown in Figure 3. A total-head survey, to mutely 0.02 inch, was pressed into a rectangular shape with a depth of opening of 0.0034 inch. The wall thick- determine the depth of the boundary layer only, was also made a( an additional…
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