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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 307 records · Page 17

All sources NASA NTRS DOE OSTI

NASA NTRS1962

DEVELOPMENT OF DESIGN STRENGTH LEVELS FOR THE ELASTIC STABILITY OF MONOCOQUE CONES UNDER AXIAL COMPRESSION

Design relationships have been derived for the determination of elastic buckling strength levels for unpressurized monocoque truncated cones under axial compression. Theoretical implications have been considered in the establishment of a semi-empirical analysis leading to the development of probability based design expressions. Data from 170 tests by various investigators were statistically evaluated for the expected mean, 90%, and 99% probability strength levels. Dispersion of data was found to be slightly less than that of monocoque cylinders. Non-linear effects of radius to thickness ratio or strength deterioration with length to radius ratio were not discernible.

AXIAL COMPRESSION↗

NASA NTRS1961

FREE-FLIGHT MEASUREMENTS OF DRAG AND STATIC STABILITY FOR A BLUNT-NOSED 10 DEG HALF-ANGLE CONE AT MACH NUMBER 15

Drag and static stability for a blunt-nosed 10-deg half-angle cone in hypersonic free-flight

STATIC STABILITY↗

NASA NTRS1963

AERODYNAMIC CHARACTERISTICS AT A MACH NUMBER OF 6.77 OF A 9 DEG CONE CONFIGURATION, WITH AND WITHOUT SPHERICAL AFTERBODIES, AT ANGLES OF ATTACK UP TO 180 DEG WITH VARIOUS DEGREES OF NOSE BLUNTING

Aerodynamic characteristics at mach 6.77 of 9-deg cone, with and without spherical afterbody and nose blunting at angles of attack to 180-deg

AFTERBODY↗

NASA NTRS1963

AN EXPERIMENTAL EVALUATION OF AERODYNAMIC DAMPING MOMENTS OF CONES WITH DIFFERENT CENTERS OF ROTATION

Aerodynamic damping moments of cones with different centers of rotation

CONE↗

NASA NTRS1962

INVESTIGATION OF THE LOW-SUBSONIC STABILITY AND CONTROL CHARACTERISTICS OF A 0.34 -SCALE FREE-FLYING MODEL OF A MODIFIED HALF-CONE REENTRY VEHICLE

Low subsonic stability and control of a 0.34-scale free flying model of a half cone reentry vehicle

SPACECRAFT MODEL↗

NASA NTRS1963

PRESSURE AND HEAT-TRANSFER MEASUREMENTS ON THE FLAT FACE OF A BLUNTED 10 DEG HALF-CONE BODY SEMIDISK AT A MACH NUMBER OF 6.15

Pressure and heat-transfer measurements of flat face of blunted 10 deg half-cone body or semidisk at mach 6.15

HALF-CONE↗

NASA NTRS1963

Effects of Nose Bluntness, Fineness Ratio, Cone Angle, and Model Base on the Static Aerodynamic Characteristics of Blunt Bodies at Mach Numbers of 1.57, 1.80, and 2.16 and Angles of Attack up to 180 Deg

Effect of nose bluntness, fineness ratio, cone angle, and model base on aerodynamic characteristics of blunt bodies

AERODYNAMIC CHARACTERISTICS↗

NASA NTRS1958

Heat Transfer Measured in Free Flight on a Slightly Blunted 25 deg Cone-Cylinder-Flare Configuration at Mach Numbers up to 9.89

Skin temperature and surface pressure of blunted cone-cylinder-flare configuration free flight test vehicle to hypersonic speeds

SURFACE PRESSURE↗

NASA NTRS1963

EFFECTS OF MASS ADDITION ON THE STABILITY OF SLENDER CONES AT HYPERSONIC SPEEDS

Effects of gas injection on the heat transfer and pressure distributions on slender cones at hypersonic speeds

HEAT TRANSFER↗

NASA NTRS1963

A Wind-Tunnel Investigation of the Effect of Changes in Base Contour on the Damping in Pitch of a Blunted Cone

Effect of changes in base contour on damping in pitch of blunted cone in wind tunnel

DAMPING↗

NASA NTRS1964

Tables for supersonic flow around right circular cones at zero angle of attack

CIRCULAR CONE↗

NASA NTRS1964

Experimental results of cooling a 12.5 deg semivertex angle cone by ejection of hydrogen and helium from its apex at mach 7

Cooling of nose cone by ejection of hydrogen and helium from its apex at mach 7

HYDROGEN↗

NASA NTRS1964

Measurements of radiative heating on sharp cones.

Free flight measurement of radiative heat load on circular cone and comparison with predicted equilibrium and nonequilibrium radiation

CIRCULAR CONE↗

NASA NTRS1964

Force-coefficient and moment-coefficient correlations and air-helium simulation for spherically blunted cones

Force coefficient and moment coefficient correlations and air-helium simulation of spherically blunted cones - hypersonic wind tunnel testing

CONE↗

NASA NTRS1963

The effects of nose bluntness on the pressure fluctuations measured on 15 deg and 20 deg cone-cylinders at transonic speeds

Effect of nose bluntness on pressure fluctuations measured on 15 deg and 20 deg cone cylinders at transonic speeds

CYLINDER↗

NASA NTRS1965

Maximum lift-drag ratios of delta-wing-half- cone combinations at a mach number of 20 in helium

Maximum lift-drag ratios of delta wing half-cone combinations in hypersonic helium wind tunnel to determine interference lift

DELTA WING↗

NASA NTRS1965

Aerodynamic force and moment characteristics of spheres and cones at mach 7.0 in methane-air combustion products

Aerodynamic force and moment characteristics of spheres and cones at hypersonic speeds in methane-air combustion products

HYPERSONIC SPEED↗

NASA NTRS1964

Free-flight Cone Dynamic Stability Testing at High Amplitudes of Oscillation

Dynamic stability of slender cones subjected to high oscillation amplitude - measurement in wind tunnels by free flight techniques

FREE FLIGHT TEST APPARATUS↗