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  Partner: UNT Libraries Government Documents Department
 Collection: Technical Report Archive and Image Library
Some effects of sweep and aspect ratio on the transonic flutter characteristics of a series of thin cantilever wings having a taper ratio of 0.6

Some effects of sweep and aspect ratio on the transonic flutter characteristics of a series of thin cantilever wings having a taper ratio of 0.6

Date: January 24, 1956
Creator: Unangst, John R & Jones, George W , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of sweep and thickness on the experimental downwash characteristics at transonic speeds of a series of highly tapered wings with an aspect ratio of 3 : transonic bump method

Some effects of sweep and thickness on the experimental downwash characteristics at transonic speeds of a series of highly tapered wings with an aspect ratio of 3 : transonic bump method

Date: February 16, 1956
Creator: Few, Albert G , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of system nonlinearities in the problem of aircraft flutter

Some effects of system nonlinearities in the problem of aircraft flutter

Date: October 1, 1955
Creator: Woolston, Donald S; Runyan, Harry L & Byrdsong, Thomas A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of tail height and wing plan form on the static longitudinal stability characteristics of a small-scale model at high subsonic speeds

Some effects of tail height and wing plan form on the static longitudinal stability characteristics of a small-scale model at high subsonic speeds

Date: May 1, 1957
Creator: Few, Albert G , Jr & King, Thomas J , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of valve friction and shock stick friction on control quality in a helicopter with hydraulic-power control systems

Some effects of valve friction and shock stick friction on control quality in a helicopter with hydraulic-power control systems

Date: May 1, 1957
Creator: Brown, B Porter & REEDER JOHN P
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of vanes and of turbulence in two-dimensional wide-angle subsonic diffusers

Some effects of vanes and of turbulence in two-dimensional wide-angle subsonic diffusers

Date: June 1, 1958
Creator: Moore, Carl A , Jr & Kline, Stephen J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of variations in several parameters including fluid density on the flutter speed of light uniform cantilever wings

Some effects of variations in several parameters including fluid density on the flutter speed of light uniform cantilever wings

Date: December 1, 1951
Creator: Woolston, Donald S & Castile, George E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of varying the damping in pitch and roll on the flying qualities of a small single-rotor helicopter

Some effects of varying the damping in pitch and roll on the flying qualities of a small single-rotor helicopter

Date: January 1, 1952
Creator: Reeder, John P & Whitten, James B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of wing fences on the lateral stability derivatives of a 60 degree delta wing oscillating continuously in yaw

Some effects of wing fences on the lateral stability derivatives of a 60 degree delta wing oscillating continuously in yaw

Date: July 11, 1956
Creator: Riley, Donald R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of wing height on the vertical-tail pressure distributions of a complete model in sideslip at high subsonic speeds

Some effects of wing height on the vertical-tail pressure distributions of a complete model in sideslip at high subsonic speeds

Date: July 17, 1957
Creator: Few, Albert G , Jr & Alford, William J , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some elementary principles of shell stress analysis with notes on the use of the shear center

Some elementary principles of shell stress analysis with notes on the use of the shear center

Date: March 1, 1939
Creator: Kuhn, Paul
Description: The analysis of various types of shell under combined bending and torsion is discussed. The calculation and the use of the shear center are touched upon as incidental problems. Twelve fully worked numerical examples are given in an appendix.
Contributing Partner: UNT Libraries Government Documents Department
Some Engineering Problems of the Panama Canal in Their Relation to Geology and Topography

Some Engineering Problems of the Panama Canal in Their Relation to Geology and Topography

Date: August 1915
Creator: MacDonald, Donald F.
Description: Report issued by the Bureau of Mines over issues encountered during construction of the Panama Canal. As stated in the introduction, "this report aims to discuss, from the viewpoint of the mining geologist, the bearing of topographic and geologic conditions on certain problems that arose in the construction of the Panama Canal" (p. 7). This report includes tables, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Some Essential Safety Factors in Tunneling

Some Essential Safety Factors in Tunneling

Date: 1941
Creator: Harrington, D. & Ash, S. H. (Simon Harry), b. 1889
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some exact solutions of two-dimensional flows of compressible fluid with hodograph method

Some exact solutions of two-dimensional flows of compressible fluid with hodograph method

Date: February 1, 1953
Creator: Chang, Chien-Chien & O'Brien, Vivian
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some examples of the applications of the transonic and supersonic area rules to the prediction of wave drag

Some examples of the applications of the transonic and supersonic area rules to the prediction of wave drag

Date: March 20, 1957
Creator: Nelson, Robert L & Welsh, Clement J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some Experiences Regarding the Nonlinearity of Hot Wires

Some Experiences Regarding the Nonlinearity of Hot Wires

Date: June 1, 1952
Creator: Betchov, R. & Welling, W.
Description: We compare here the results of some experiences with the formulas established in our preceding report 'Nonlinear Theory of a Hot-Wire Anemometer.' We shall show that the nonlinear term plays a role as important as the thermal conduction in the calculation of the thermal inertia of the hot wire.
Contributing Partner: UNT Libraries Government Documents Department
Some experimental effects of afterbody shape on the zero-lift drag of bodies for Mach numbers between 0.8 and 1.3

Some experimental effects of afterbody shape on the zero-lift drag of bodies for Mach numbers between 0.8 and 1.3

Date: October 1, 1953
Creator: Stoney, William E , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some Experimental Heating Data on Convex and Concave Hemispherical Nose Shapes and Hemispherical Depressions on a 30 Deg Blunted Nose Cone

Some Experimental Heating Data on Convex and Concave Hemispherical Nose Shapes and Hemispherical Depressions on a 30 Deg Blunted Nose Cone

Date: March 10, 1958
Creator: Hopko, R. N. & Strass, H. K.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some experimental studies of panel flutter at Mach number 1.3

Some experimental studies of panel flutter at Mach number 1.3

Date: February 1, 1957
Creator: Sylvester, Maurice A & Baker, John E
Description: Experimental studies of panel flutter using thin metal plates were conducted at a Mach number of 1.3 to verify its existence and to study the effects of some structural parameters on the flutter characteristics. The effects of tensile forces and buckling were studied on panels clamped front and rear, in addition to initially buckled panels clamped on all four edges. Panel flutter was obtained under controlled laboratory conditions and it was found that tensile forces, shortening the panels, and increasing the bending stiffness were effective means for eliminating flutter. Buckled panels were more susceptible to flutter than unbuckled panels. No apparent systematic trends in the flutter modes or frequencies could be observed.
Contributing Partner: UNT Libraries Government Documents Department
Some experiments at high supersonic speeds on the aerodynamic and boundary-layer transition characteristics of high-drag bodies of revolution

Some experiments at high supersonic speeds on the aerodynamic and boundary-layer transition characteristics of high-drag bodies of revolution

Date: January 14, 1957
Creator: Seiff, Alvin; Sommer, Simon C & Canning, Thomas N
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some experiments on autorotation of an airfoil

Some experiments on autorotation of an airfoil

Date: September 1, 1929
Creator: Ober, Shatswell
Description: These experiments show that the rate of auto rotation of a monoplane airfoil is reduced by sweepback, ceasing entirely when the sweepback is 30 degrees. In addition a very serious increase in rate and range of auto rotation with yaw is shown.
Contributing Partner: UNT Libraries Government Documents Department
Some experiments on the flutter of sweptback cantilever wing models at Mach number 1.3

Some experiments on the flutter of sweptback cantilever wing models at Mach number 1.3

Date: March 15, 1951
Creator: Tuovila, W J
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some experiments on the slipstream effect

Some experiments on the slipstream effect

Date: March 1, 1937
Creator: Ferrari, C
Description: The models designated "Torino 30, 31, 32" are horizontal tail surfaces of rectangular, triangular, and elliptical plan form and all of the same profile section. Tests were carried out with the object being to determine the effect of the propeller slipstream on the aerodynamical characteristics of the horizontal stabilizer. The results presented correspond to a first series of tests made without an interposed wing and in which the distance between the plane of the propeller disk and the tail was maintained constant.
Contributing Partner: UNT Libraries Government Documents Department
Some experiments on visualization of flow fields behind low-aspect-ratio wings by means of a tuft grid

Some experiments on visualization of flow fields behind low-aspect-ratio wings by means of a tuft grid

Date: May 1, 1952
Creator: Bird, John D & Riley, Donald R
Description: None
Contributing Partner: UNT Libraries Government Documents Department