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 Decade: 1940-1949
 Year: 1943
 Month: November
 Collection: National Advisory Committee for Aeronautics Collection
Charts for calculation of the critical stress for local instability of columns with I-, Z-, channel and rectangular-tube section

Charts for calculation of the critical stress for local instability of columns with I-, Z-, channel and rectangular-tube section

Date: November 1, 1943
Creator: Heimerl, George J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A comparative study of the effect of wing flutter shape on the critical flutter speed

A comparative study of the effect of wing flutter shape on the critical flutter speed

Date: November 1, 1943
Creator: Pinkel, I Irving
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Critical shear stress of an infinitely long flat plate with equal elastic restraints against rotation along the parallel edges

Critical shear stress of an infinitely long flat plate with equal elastic restraints against rotation along the parallel edges

Date: November 1, 1943
Creator: Stowell, Elbridge Z
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Critical stress for an infinitely long flat plate with elastically restrained edges under combined shear and direct stress

Critical stress for an infinitely long flat plate with elastically restrained edges under combined shear and direct stress

Date: November 1, 1943
Creator: Schwartz, Edward B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Design criterions for the dimensions of the forebody of a long-range flying boat

Design criterions for the dimensions of the forebody of a long-range flying boat

Date: November 1, 1943
Creator: Parkinson, John B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Ditching tests with 1/10-size model of the Army A-20A airplane I : calm-water tests in NACA tank no.2

Ditching tests with 1/10-size model of the Army A-20A airplane I : calm-water tests in NACA tank no.2

Date: November 1, 1943
Creator: Jarvis, George A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The effect of inlet-valve design, size, and lift on the air capacity and output of a four-stroke engine

The effect of inlet-valve design, size, and lift on the air capacity and output of a four-stroke engine

Date: November 1, 1943
Creator: Livengood, James C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The effect of the type of specimen on the shear strengths of driven rivets

The effect of the type of specimen on the shear strengths of driven rivets

Date: November 1, 1943
Creator: Sharp, W H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Experimental Investigation of Entrance-Region Heat-Transfer Coefficients

Experimental Investigation of Entrance-Region Heat-Transfer Coefficients

Date: November 1, 1943
Creator: Joyner, Upshur T
Description: Experimental results of tests made at the Langley Memorial Aeronautical Laboratory are presented to show how heat-transfer coefficients can he increased by a method utilizing the high rate of heat transfer known to exist on any heat-transfer surface in the region adjacent to the edge on which the cooling or heating fluid impinges. The results show that, for the same pressure drop, the average surface heat-transfer.coefficient can be increased 50 to 100 percent when a cooling surface having a length of four inches in the direction of fluid flow is cut to form twenty fins with a length of 0.2 inch in the direction of fluid flow and the fins are sharpened and staggered in the air stream. The percentage of increase in the surface heat-transfer coefficient obtained as a result of shortening the length of the cooling surface varies with the pressure drop of the cooling fluid in passing the surface, the increase being largest when small pressure drop is used and smallest when high pressure drop is used.
Contributing Partner: UNT Libraries Government Documents Department
A flight investigation of fuselage static-pressure-vent airspeed installations

A flight investigation of fuselage static-pressure-vent airspeed installations

Date: November 1, 1943
Creator: Rodert, Lewis A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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