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Year:
1945
Month:
January
Serial/Series Title:
NACA Advanced Confidential Report
Serial/Series Title:
NACA Aircraft Circulars
Serial/Series Title:
NACA Wartime Reports
Collection:
Technical Report Archive and Image Library
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/
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/
Summary of data relating to the effects of wing machine-gun and cannon installations on the aerodynamic characteristics of airplanes
Date: January 1, 1945
Creator: Quinn, John H , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc62430/
Effects of compressibility on maximum lift coefficients for six propeller airfoils
Date: January 1, 1945
Creator: Cleary, Harold E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61294/
Experimental verification of a simplified vee-tail theory and analysis of available data on complete models with vee tails
Date: January 1, 1945
Creator: Campbell, John P
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc61494/