Role of charge separation and pressure diffusion in the gascap of entry objects
Diffusive transport term in hydrodynamic equations describing flow over strongly ablating entry objects, discussing charge separation and pressure diffusion
Howe, J. T.↗
SEARCH · Engineering Papers
Results for “Object”
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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A unique emission line object
Peculiar emission object with emissions narrower and with lower ionization lines than cool Wolf- Rayet stars
Cowley, A. P.↗
The unusual infrared object IRC plus 10216
Unusual IR object IRC plus 10216 interpreted as galactic source surrounded by optically thick dust shells, noting resemblance to black body energy distribution
Becklin, E. E.↗
Absolute spectral energy distribution of quasi- stellar objects from 0.3 to 2.2 microns
Quasi-stellar objects absolute spectral energy distribution, considering electron temperature and photon density
Becklin, E. E.↗
Estimation of object parameters by a quantum- limited optical system
Quantum mechanical form of Cramer-Rao inequality used to determined error lower bound for radiating object parameter observed by quantum-limited optical system
Helstrom, C. W.↗
Modal decomposition of aperture fields in detection and estimation of incoherent objects
Aperture field modal decomposition of optical system in terms of integral equation eigenfunctions during detection and estimation of incoherent objects
Helstrom, C. W.↗
Resolvability of objects from the standpoint of statistical parameter estimation
Statistical estimation of resolvability of incoherently radiating object sampled at aperture field of observing optical instrument, using Cramer-Rao inequality
Helstrom, C. W.↗
Laser apparatus for removing material from rotating objects Patent
Laser device for removing material from rotating object for dynamic balancing
Popick, H.↗
Computer performance analysis - Measurement objectives and tools
Objectives and measurements in computer performance analysis
Bell, T. E.↗
Petzval type objective including field shaping lens Patent
Development and characteristics of Petzval type objective including field shaping lens for focusing light of specified wavelength band on curved photoreceptor
Coniglio, G. V.↗
Information transfer from incoherently radiating objects
Mutual information between radiance of incoherently radiating object plane and field of observing system aperture, obtaining Shannon type formula
Helstrom, C. W.↗
On the noninferior set for the systems with vector-valued objective function
Noninferior set for static optimization of systems with vector valued objective function using dual linear inequality
Chu, K.-C.↗
The infrared object HD 45677
IR stellar object HD 45677, discussing IR spectral energy distribution in terms of black body temperature range
Allen, D. A.↗
Properties of gas that produces absorption lines in some quasi-stellar objects
Quasi-stellar objects, investigating velocity dispersion, column densities and abundance of Mg and Fe in absorbing region by Stromgren method of line pairs
Burbidge, E. M.↗
The problem of docking with a passive orbiting object which possesses angular momentum
Docking with passive orbiting spinning or tumbling objects for space debris elimination and space rescue operations, describing remotely controlled despinning and retrieval methods
Kaplan, M. H.↗
Objectives and requirements of unmanned rover exploration of the moon
Unmanned lunar rover exploration objectives and requirements, considering heterogeneous surface
Conel, J. E.↗
A cryopump for cooling objects at a distance
Design and construction of cryopump is reported that feeds from primary source to cool component up to 30 ft from source. Liquid oxygen or nitrogen is gravity fed through loop system to copper fibers enclosing component at room temperature where fluid boils, cools object, vaporizes and recycles through tubing loop.
Batson, P. J.↗
Vise to hold bones or other irregular objects
Vise with stationary vee-shaped jaw and segmented notched jaw for holding irregular shaped objects is described. Operation of the device and specific application to holding bones are explained. Diagram of equipment is provided.
Dowell, R. H.↗