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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: NACA Advanced Confidential Report
Investigation of the behavior of parallel two-dimensional air jets

Investigation of the behavior of parallel two-dimensional air jets

Date: November 1, 1944
Creator: Corrsin, Stanley
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Tests of a heated low-drag airfoil

Tests of a heated low-drag airfoil

Date: December 1, 1942
Creator: Frick, C. W., Jr. & Mccullough, G. B.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation at high speeds of profile drag of wing of a P-47D airplane having production surfaces covered with camouflage paint

Flight investigation at high speeds of profile drag of wing of a P-47D airplane having production surfaces covered with camouflage paint

Date: March 1, 1946
Creator: Zalovcik, J. A. & Daum, F. L.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation of boundary-layer control by suction slots on an NACA 35-215 low-drag airfoil at high Reynolds numbers

Flight investigation of boundary-layer control by suction slots on an NACA 35-215 low-drag airfoil at high Reynolds numbers

Date: February 1, 1944
Creator: Zalovcik, J. A.; Wetmore, J. W. & Vondoenhoff, A. E.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Effects of specific types of surface roughness on boundary-layer transition

Effects of specific types of surface roughness on boundary-layer transition

Date: February 1, 1946
Creator: Loftin, L. K., Jr.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation of boundary-layer and profile-drag characteristics of smooth wing sections of a P-47D airplane

Flight investigation of boundary-layer and profile-drag characteristics of smooth wing sections of a P-47D airplane

Date: October 1, 1945
Creator: Zalovcik, J. A.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Preliminary Low-Drag-Airfoil and Flap Data from Tests at Large Reynolds Numbers and Low Turbulence

Preliminary Low-Drag-Airfoil and Flap Data from Tests at Large Reynolds Numbers and Low Turbulence

Date: March 1, 1942
Creator: Abbott, I. H.; Davidson, M. & Jacobs, E. N.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A profile-drag investigation in flight on an experimental fighter-type airplane the North American XP-51

A profile-drag investigation in flight on an experimental fighter-type airplane the North American XP-51

Date: January 1, 1942
Creator: Zalovcik, J. A.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Flight investigation of boundary-layer transition and profile drag of an experimental low-drag wing installed on a figher-type airplane

Flight investigation of boundary-layer transition and profile drag of an experimental low-drag wing installed on a figher-type airplane

Date: April 1, 1945
Creator: Zalovcik, J. A.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An Experimental Investigation of Several Low-Drag Wing-Nacelle Combinations with Internal Air Flow

An Experimental Investigation of Several Low-Drag Wing-Nacelle Combinations with Internal Air Flow

Date: March 1, 1945
Creator: Allen, H. Julian; Frick, Charles W. & Erickson, Myles D.
Description: The results of an experimental investigation of several low-drag wing-nacelle combinations, incorporating internal air-flow systems, are presented. The external-drag increments due to these nacelles are between one-half and two-thirds of those of conventional nacelle forms. This improvement is accomplished with only minor effects on the lift and moment characteristics of the wing. The procedure employed to determine the external shape of such low-drag nacelles is considered in detail. The design of an efficient internal-flow system with or without a blower or throttle, presents no serious problems. The energy losses in the expansion before the engine and the contraction thereafter can be kept small. It is believed that these nacelles have a wide application in housing engine pusher-propeller units and, with some alteration, jet-propulsion devices. It is probable that the low external drags may not be realized if such nacelles are used with a tractor propeller because of the high level of turbulence in the propeller slipstream.
Contributing Partner: UNT Libraries Government Documents Department
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