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NACA Advanced Confidential Report
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NACA Wartime Reports
Data for Design of Entrance Vanes from Two-Dimensional Tests of Airfoils in Cascade
Date: January 1, 1945
Creator: Zimmey, Charles M.
Description: As a part of a program of the NACA directed toward increasing the efficiency of compressors and turbines, data were obtained for application to the design of entrance vanes for axfax-flow compressors or turbines. A series of blower-blade sections with relatively high critical speeds have been developed for turning air efficiently from 0 deg to 80 deg starting with an axial direction. Tests were made of five NACA 65-series blower blades (modified NACA 65(216)-010 airfoils) and of four experimentally designed blower blades in a stationary cascade at low Mach numbers. The turning effectiveness and the pressure distributions of these blade sections at various angles of attack were evaluated over a range of solidities near 1. Entrance-vane design charts are presented that give a blade section and angle of attack for any desired turning angle. The blades thus obtained operate with peak-free pressure distributions. Approximate critical Mach numbers were calculated from the pressure distributions.
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc63062/
An interim report on the stability and control of tailless airplanes
Date: October 1, 1944
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc60946/
An analytical investigation of the effects of elevator-fabric distortion on the longitudinal stability and control of an airplane
Date: May 1, 1944
Creator: Mathews, Charles W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc60987/
Correlation of the drag characteristics of a P-51B airplane obtained from high-speed wind-tunnel and flight tests
Date: February 1, 1945
Creator: Hamilton, William T
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc60838/
A metallurgical investigation of a large forged disc of 19-9 DL alloy
Date: March 1, 1945
Creator: White, A E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62273/
Flight measurements of compressibility effects on a three-blade thin Clark Y propeller operating at constant advance-diameter ratio and blade angle
Date: July 1, 1943
Creator: Vogeley, A W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62161/
The effect of trailing-edge extension flaps on propeller characteristics
Date: January 1, 1945
Creator: Crigler, John L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62160/
The theory of propellers I : determination of the circulation function and the mass coefficient for dual-rotating propellers
Date: August 1, 1944
Creator: Theodorsen, Theodore
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62137/
The theory of propellers II : method for calculating the axial interference velocity
Date: November 1, 1944
Creator: Theodorsen, Theodore
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62138/
Wind tunnel tests of ailerons at various speeds V : pressure distributions over the NACA 66,2-216 and NACA 23012 airfoils with various balances on 0.20-chord ailerons
Date: November 1, 1943
Creator: Denaci, H G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62593/