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A flight investigation at transonic speeds and small angles of attack of the aerodynamic characteristics of a model having a 45 degree sweptback wing of aspect ratio 3 with an Naca 64A006 airfoil section
Report presenting an investigation of the longitudinal aerodynamic characteristics of a model with a 45 degree sweptback wing of aspect ratio 3 and a 45 degree sweptback cruciform tail at transonic speeds and small angles of attack by a free-fall recoverable-model technique. Results regarding lift, drag, static longitudinal stability, dynamic longitudinal stability, and loading distribution over the fuselage are provided.
Date:
January 25, 1954
Creator:
Holdaway, George H.
System:
The UNT Digital Library
Aerodynamics of slender bodies at Mach number of 3.12 and Reynolds numbers from 2 x 10(exp 6) to 15 x 10(exp 6) 4: aerodynamic characteristics of series of four bodies having near-parabolic noses and cylindrical afterbodies
Pressure distributions and forces for a series of four bodies of revolution having nose-fineness ratios varying from 4 to 10 have been obtained and compared with theory for a Mach number of 3.12, a Reynolds number range of 2x10(sup)6 to 14x10(sup)6, and angles of attack from zero to 9 degrees. In general, a comparison of the experimental data with a second-order theory showed good agreement for the range of variables investigated.
Date:
January 25, 1954
Creator:
Jack, John R. & Moskowitz, Barry
System:
The UNT Digital Library
Measurement of heat-transfer and friction coefficients for flow of air in noncircular ducts at high surface temperatures
Report presenting measurements of average heat-transfer and friction coefficients obtained with air flowing through electrically heated ducts with square, rectangular, and triangular cross sections for a range of surface temperatures and Reynolds numbers. Results regarding heat balances, correlation of heat-transfer coefficients, correlation of friction coefficients, and correlation of peripheral temperature variations are provided.
Date:
January 25, 1954
Creator:
Lowdermilk, Warren H.; Weiland, Walter F., Jr. & Livingood, John N. B.
System:
The UNT Digital Library