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 Decade: 1940-1949
 Year: 1943
 Month: May
 Collection: National Advisory Committee for Aeronautics Collection
Characteristics of an NACA 66, S-209 section hydrofoil at several depths

Characteristics of an NACA 66, S-209 section hydrofoil at several depths

Date: May 1, 1943
Creator: Land, Norman S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Effect of powered propellers on the aerodynamic characteristics and the porpoising stability of a dynamic model of a long-range flying boat

Effect of powered propellers on the aerodynamic characteristics and the porpoising stability of a dynamic model of a long-range flying boat

Date: May 1, 1943
Creator: Land, Norman S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Emergency measures for increasing the range of fighter airplanes

Emergency measures for increasing the range of fighter airplanes

Date: May 1, 1943
Creator: Wetmore, Joseph W
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
The Heat Transfer to a Plate in Flow at High Speed

The Heat Transfer to a Plate in Flow at High Speed

Date: May 1, 1943
Creator: Eckert, E.
Description: The heat transfer in the laminar boundary layer of a heated plate in flow at high speed can be obtained by integration of the conventional differential equations of the boundary layer, so long as the material values can be regarded as constant. This premise is fairly well satisfied at speeds up to about twice the sonic speed and at not excessive temperature rise of the heated plate. The general solution of the equation includes Pohlhausen's specific cases of heat transfer to a plate at low speeds and of the plate thermometer. The solution shows that the heat transfer coefficient at high speed must be computed with the same equation as at low speed, when it is referred to the difference of the wall temperature of the heated plate in respect to its "natural temperature." Since this fact follows from the linear structure of the differential equation describing the temperature field, it is equally applicable to the heat transfer in the turbulent boundary layer.
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
Large-deflection theory of curved sheet

Large-deflection theory of curved sheet

Date: May 1, 1943
Creator: Levy, Samuel
Description: Equations are given for the elastic behavior of initially curved sheets in which the deflections are not small in comparison with the thickness, but at the same time small enough to justify the use of simplified formulas for curvature. These equations are solved for the case of a sheet with circular cylindrical shape simply supported along two edges parallel to the axis of the generating cylinder. Numerical results are given for three values of the curvature and for three ratios of buckle length to buckle width. The computations are carried to buckle deflections of about twice the sheet thickness. It was concluded that initial curvature may cause an appreciable increase in the buckling load but that, for edge strains which are several times the buckling strain, the initial curvature causes a negligibly small change in the effective width.
Contributing Partner: UNT Libraries Government Documents Department
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