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NASA Network Resource and Training Site
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Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Magnesium adapter ties in all of the attachment bosses on a horizontal slip table and makes a rigid coupling which terminates in a single row of attachment bosses at the edge of the horizontal plate. This eliminates ineffective dissipation of the driving force in vibration tests.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Aircraft stability and control data
Topic: NASA Technical Reports Server (NTRS)
Sequence of diffuse plasma resonances observed on Alouette 2 ionograms
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Laser beam scintillation and log-amplitude variance evaluation for wavelengths on digital computer
Topic: NASA Technical Reports Server (NTRS)
Analytical and experimental study of limitations in using small scale models for determining spacecraft thermal behavior
Topic: NASA Technical Reports Server (NTRS)
Space environmental effects on elastomers and metallic materials
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Launch window, flight performance, and recovery procedures for biosatellite
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Fatigue resistant shear pin with hollow shaft and two plugs
Topic: NASA Technical Reports Server (NTRS)
Growth of silicon dioxide on a silicon carbide crystal ensures proper orientation of photoresist masks on the crystals used for semiconductor devices. The crystal is heated in a water vapor-saturated gas to delineate p-n junctions that intersect the crystal surface.
Topic: NASA Technical Reports Server (NTRS)
Electron-hydrogen ionization considered from point of nonadiabatic theory
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Survey of prediction techniques for solar cycle activity
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Inserting a splitter plate in the subsonic diffuser caused a pressure-recovery loss of about 1 percent for an inlet with a long nearly constant-area throat section. The loss was due to the increased surface area. Another inlet, which had a comparatively rapid area increase immediately after the throat, experienced pressure-recovery losses of 5 and 6 percent at Mach numbers of 1.8 and 2.0, respectively, and about 1 percent at Mach 1.5.
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Radiation measurements of emission from Venus at 35 Gc, 70 Gc, and 94 Gc, using 16 foot antenna system and infrared bandwidth radiometer
Topic: NASA Technical Reports Server (NTRS)
Impact acceleration and landing system characteristics of Apollo spacecraft command module configurations with deployed heat shield
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Effect of gold plating on soldered connections
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Tubular tee is intersected at its junction by a reflecting/transmitting mirror angled to provide two images of an object for simultaneous photographing from two positions. This method is used when space and focal conditions are limited.
Topic: NASA Technical Reports Server (NTRS)
Interplanetary trajectory targeting technique with application to 1975 Venus flyby mission
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Dipole field, magnetosphere, quiet day geomagnetic variations, dynamo theory for ionosphere origin, and other topics related to earth magnetic field
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Manual control mechanism for adjusting control rod to null position
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Foldable conduit capable of springing back as self erecting structural member
Topic: NASA Technical Reports Server (NTRS)
Fluid transferring system design for purging toxic, corrosive, or noxious fluids and fumes from materials handling equipment for cleansing and accident prevention
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Description of portable milling tool for milling tube or pipe ends to desired shape and thickness
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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To join web straps used to hoist heavy loads, a novel buckle permits two straps to be quickly joined and held by the combined forces of strap load tension and friction.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Here, values for tension, compression edgewise of laminations, and transverse flatwise of laminations are given for Micarta made with various kinds of sheet material. The corresponding values for white oak are given for comparison. It was found by destructive and service tests that Micarta made with a good grade of cotton duck will give satisfactory service with most designs. In propellers having detachable blades, it is desirable that the root of the blade be of a small cross section to...
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Spring-loaded probe makes a reliable electrical contact by producing a circular wiping motion at the tip when inserted into a mating socket.
Topic: NASA Technical Reports Server (NTRS)
To measure vacuum pressures in the range of 5 times 10 to the minus 7 to 5 times 10 to the minus 16, a semiconductor resistor composed of sintered zinc oxide is used. Through the effect of surface absorbed gases on the resistance of the semiconductor material, very low pressures are measured.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Mathematical model is formulated for an air pad which is capable of lifting a structure to a height of 0.125 inch. Design is superior to conventional air cushion devices because it eliminates flutter, vibration, heaving, and pitching.
Topic: NASA Technical Reports Server (NTRS)
Moire tester detects small variations in flat conductor cable spacing by a quick, visual inspection. This device compares the cable to be tested with the negative of a very precise standard cable. The moire, consisting of bands of light and dark zones and its irregularities, can be interpreted as errors in spacing.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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General mathematical expression found for energy storage shows that for linear, passive networks there is a minimum possible energy storage corresponding to a prescribed impedance. The electromagnetic energy storage is determined at different excitation frequencies through analysis of the networks terminal and reactance characteristics.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Setting up an artificial situation using photographs of lunar-type terrain on a dual TV-type projection system determines the effectiveness of stereo TV presentations in allowing an operator to remotely control an extra-terrestrial vehicle.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Integrated circuit modules can be compactly assembled into short-run complex electronic assemblies by mounting them on a Stick module. This module provides a method of high-density packaging for industrial operations that require the fabrication of compact circuitry configurations.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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New polymeric material exhibits excellent physical shock protection, high electrical resistance, and thermal conductivity. It is especially useful for electronic circuitry, such as subminiaturization of components and modular construction of circuits.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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New method replaces flowmeter approach with readily available burst diaphragm leak detector assembly mounted to all drain ports. This allows simultaneous leak detection of all flange seals under operating conditions.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Torque driven disconnect maintains connection on a gas supply line until desired parting occurs at a remote location. It consists of a helical plastic tube with a disconnect coupling fitted for an interference condition slip joint, and a rotationally constrained support connected to a gas source.
Topic: NASA Technical Reports Server (NTRS)
Graphic method of determining rocket attitudes by plotting data obtained by fluxgate magnetometers and solar aspect sensors utilizes polar coordinates. Polar graph paper is used to represent either the horizon system of altitude and azimuth or the celestial system of declination and right ascensions.
Topic: NASA Technical Reports Server (NTRS)
Prototype of a conceptual boron fiber-reinforced tubing meets requirements for lightweight structural members subjected to high shock loads and bending stresses.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Fine tuning acquisition and tracking interferometer radar system uses a first antenna array of at least three receiving antennas. Array includes a reference antenna, a coarse tuning antenna, and a fine tuning antenna aligned on a receiving axis. Short range rendezvous system provides increased position accuracy.
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Scan-in scan-out flying spot scanning system recognizes three different levels of transmissivity within a frame. It selectively acts on these levels either to intensify the illumination or to extend the duration of the illuminating spot to any picture element. Thus it improves the ratio of signal to tube noise in the cameras output.
Topic: NASA Technical Reports Server (NTRS)
Split-half cover eliminates the surface marring and dirt penetration problems previously encountered during handling and cable assembly. Metal retaining ring slips over the two plastic halves to hold them in place.
Topic: NASA Technical Reports Server (NTRS)
Use of a double-focusing mass/charge spectrograph weighing less than 25 pounds is feasible for solar wind experiments. Instrument has a parallel-plate energy filter between the ion source and the double focusing units which alleviates the problem of designing an ion source of small energy spread.
Topic: NASA Technical Reports Server (NTRS)
Rotational effects on isothermal compressible flow across gas turbine sealing dam
Topic: NASA Technical Reports Server (NTRS)
Upgrading of electronic power supply for greater reliability in aerospace use
Topic: NASA Technical Reports Server (NTRS)
Theoretical feasibility of detecting laser radiation scattered from plasma
Topic: NASA Technical Reports Server (NTRS)
Multigroup calculations of resonance neutron capture in thick slab of depleted U-238
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Physical, mechanical, and electrical properties of 55-Nitinol - nickel-titanium alloy
Topic: NASA Technical Reports Server (NTRS)
Laser optical simulation of spaceborne radio astronomy interferometer experiment
Topic: NASA Technical Reports Server (NTRS)
Hardware-software provisions for multiple precision floating point arithmetic
Topic: NASA Technical Reports Server (NTRS)
Electrothermal instabilities effects on Brayton and Rankine cycle magnetohydrodynamic space power generation systems
Topic: NASA Technical Reports Server (NTRS)
Design, calibration, and use of radiometers to measure spectral emission in ballistic range and shock tube experiments
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Preflight press information on ESRO-1B launch and experiments for studying polar auroras and ionosphere
Topic: NASA Technical Reports Server (NTRS)
Effect of angle of attack and injection pressure on jet penetration and spreading from delta wing in supersonic flow
Topic: NASA Technical Reports Server (NTRS)
Laminar heating rate from wind tunnel tests using angle of attack and Reynolds number
Topic: NASA Technical Reports Server (NTRS)
Light transmittance measurements through thick plate of optical material
Topic: NASA Technical Reports Server (NTRS)
Breaking of semiconductor single crystal wafer into chips
Topic: NASA Technical Reports Server (NTRS)
Heat pipe devices for space suit temperature control
Topic: NASA Technical Reports Server (NTRS)
Transformer of closely spaced pulsed waveforms having nonzero average value
Topic: NASA Technical Reports Server (NTRS)
Physical properties of Martian atmosphere using solar occultation seen from artificial satellite
Topic: NASA Technical Reports Server (NTRS)
Stress concentration around broken filaments in filament stiffened sheet
Topic: NASA Technical Reports Server (NTRS)
Flight evaluation of tip turbine driven fans for lateral control in hovering VTOL aircraft
Topic: NASA Technical Reports Server (NTRS)
Dynamic tests for air breathing engines using sweep frequency techniques
Topic: NASA Technical Reports Server (NTRS)
Pulsed neutron source studies to determine shutdown reactivities of unreflected solution reactor
Topic: NASA Technical Reports Server (NTRS)
Optimal transfer trajectories from earth parking orbit to various terminal conic constraints, and ROBOT computer program modifications
Topic: NASA Technical Reports Server (NTRS)
Separate component test rigs for 90 degree sector combustor and full annular turbojet combustor comparison
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Apollo 11 lunar photography index sheets
Topic: NASA Technical Reports Server (NTRS)
Production and installation variables for titanium 6Al-4V fasteners and wing bolts assembled in titanium 8Al-1Mo-1V sheet material
Topic: NASA Technical Reports Server (NTRS)
Sealed electrochemical cell with flexible casing for varying electrolyte level in cell
Topic: NASA Technical Reports Server (NTRS)
Voltage distoration effects of SNAP-8 alternator speed controller and alternator performance results
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Iris-leaf core retainer insures retention of a complete sample within the drill string. Individual overlapping leaves will not rupture or tear out when they come in contact with the oncoming core.
Topic: NASA Technical Reports Server (NTRS)
Pressure formed as the cryogenic liquid vaporizes is used to pump new cryogenic liquid from a storage reservoir. Changes in volume of a gas resulting from changes in temperature actuate a valve which either replenishes the depleted liquid in the vessel or vents the evolving gas to the atmosphere.
Topic: NASA Technical Reports Server (NTRS)
Circuit includes a single-word input/output register and a multiword serial memory which are circulated in synchronism. It puts out data at a rate compatible with relatively slow-speed electromechanical devices.
Topic: NASA Technical Reports Server (NTRS)
Three dimensional pressure distribution functions for lifting surfaces with trailing-edge controls based on integral equations for subsonic flow
Topic: NASA Technical Reports Server (NTRS)
Friction, wear, and contact resistance of gold alloys and electroplated electric gold contacts
Topic: NASA Technical Reports Server (NTRS)
Mathematical model for solar cell performance in space environments
Topic: NASA Technical Reports Server (NTRS)
Cost implications of vehicle size, technology, configuration, and program options for multistage, multipurpose large launch vehicle
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Design and evaluation of yoke concepts for roll diffusion bonding of titanium panels
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Relativistic clock experiment with respect to observed frequency shifts of standard oscillator or clock
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Space tool power source investigation
Topic: NASA Technical Reports Server (NTRS)
Random variable method of analyzing propulsion system performance and stage inert weight of two stage rocket vehicles
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Liquid-vapor interface seal design for turbine rotating shafts including helical and molecular pumps and liquid cooling of mercury vapor
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
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Solid state television camera system consisting of monolithic semiconductor mosaic sensor and molecular digital readout systems
Topic: NASA Technical Reports Server (NTRS)
NASA Network Resource and Training Site
by NASA Technical Reports Server (NTRS)
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Improvements in receiver of narrow bandwidth television system
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Data are presented showing the penetration characteristics of liquid jets directed approximately perpendicular to a high-velocity air stream for jet-nozzle-throat diameters from 0.0135 to 0.0625 inch, air stream densities from 0.0805 to 0.1365 pound per cubic foot, liquid jet velocities from 168.1 to 229.0 feet per second and a liquid jet density of approximately 62 pounds per cubic foot. The data were analyzed and a correlation was developed that permitted the determination of the penetration...
Topic: NASA Technical Reports Server (NTRS)
Topic: NASA Technical Reports Server (NTRS)
Mathematical models for determining longitudinal vibration modes of multistage liquid and solid propellant vehicles, and clustered tank vehicles
Topic: NASA Technical Reports Server (NTRS)
Equations are presented for the attenuation characteristics of single-chamber and multiple-chamber mufflers of both the expansion-chamber and resonator types, for tuned side-branch tubes, and for the combination of an expansion chamber with a resonator. Experimental curves of attenuation plotted against frequency are presented for 77 different mufflers with a reflection-free tailpipe termination. The experiments were made at room temperature without flow; the sound source was a loud-speaker. A...
Topic: NASA Technical Reports Server (NTRS)
This pamphlet series reviews NASA's first decade of exploration of space. This volume reviews the importance of satellites in weather forecasting, relaying television programs and other commercial and military communication from distant places, studying the shape and gravitational fields of the Earth, assisting in aircraft and naval navigation and more applications that can be assisted by studying the Earth from 100 miles or more.
Topic: NASA Technical Reports Server (NTRS)
Preliminary backup abort procedures for aborts occurring during translunar injection
Topic: NASA Technical Reports Server (NTRS)