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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: NACA Advanced Restricted Report
 Collection: National Advisory Committee for Aeronautics Collection
The effect of compressibility on two-dimensional tunnel-wall interference for a symmetrical airfoil

The effect of compressibility on two-dimensional tunnel-wall interference for a symmetrical airfoil

Date: January 1, 1943
Creator: Nitzberg, Gerald E
Description: Summary: The effective change in the velocity of flow past a wing section, caused by the presence of wind-tunnel walls, is known for potential flow. This theory is extended by investigation of the two-dimensional compressible flow past a thin Rankine Oval. It is shown that for a symmetrical section at zero angle of attack the velocity increment due to the tunnel walls in the incompressible case must be multiplied by the factor 1/1-M^2 to take account of compressibility effects. The Mach number, M, corresponds to conditions in the wind-tunnel test section with the model removed (p. 1.).
Contributing Partner: UNT Libraries Government Documents Department
Principles of moment distribution applied to stability of structures composed of bars or plates

Principles of moment distribution applied to stability of structures composed of bars or plates

Date: January 1, 1943
Creator: Lundquist, Eugene E; Stowell, Elbridge Z & Schuette, Evan H
Description: Principles of the cross method of moment distribution, which have previously been applied to the stability of structures composed of bars under axial load, are applied to the stability of structures composed of long plates under longitudinal load.
Contributing Partner: UNT Libraries Government Documents Department
Effect of wing leading-edge slots on the spin and recovery characteristics of airplanes

Effect of wing leading-edge slots on the spin and recovery characteristics of airplanes

Date: April 1, 1943
Creator: Pitkin, Marvin
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Free-flight-tunnel investigation of the effect of the fuselage length and the aspect ratio and size of the vertical tail on lateral stability and control

Free-flight-tunnel investigation of the effect of the fuselage length and the aspect ratio and size of the vertical tail on lateral stability and control

Date: April 1, 1943
Creator: Draper, John W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An investigation of aircraft heaters XI : measured and predicted performance of a slotted-fin exhaust gas and air heat exchanger

An investigation of aircraft heaters XI : measured and predicted performance of a slotted-fin exhaust gas and air heat exchanger

Date: April 1, 1943
Creator: Morrin, E H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Formulas for propellers in yaw and charts of the side-force derivative

Formulas for propellers in yaw and charts of the side-force derivative

Date: May 1, 1943
Creator: Ribner, Herbert S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Free-spinning-tunnel tests of a model of a canard airplane

Free-spinning-tunnel tests of a model of a canard airplane

Date: May 1, 1943
Creator: Pepoon, Philip W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Full-scale tunnel investigation of the pressure distribution over the tail of the P-47B airplane

Full-scale tunnel investigation of the pressure distribution over the tail of the P-47B airplane

Date: May 1, 1943
Creator: Dingeldein, Richard C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An instrument for the determination of rain densities in flight

An instrument for the determination of rain densities in flight

Date: May 1, 1943
Creator: Houghton, Henry G , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Jet-boundary corrections for reflection-plane models in rectangular wind tunnels

Jet-boundary corrections for reflection-plane models in rectangular wind tunnels

Date: May 1, 1943
Creator: Toll, Thomas A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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