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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
171

Degradation of optical properties in anodic coatings exposed to vacuum-ultraviolet radiation

Sheng, Xia Yang January 1996 (has links)
Sulfuric acid anodized aluminum coating systems possessing a low ratio of solar absorptance to infrared emittance are susceptible to vacuum-ultraviolet radiation. Vacuum-ultraviolet exposure can degrade the coating systems by increasing the solar absorptance without a commensurate increase in infrared emittance. Experimental findings from electron microprobe analysis, x-ray diffraction, exposure to vacuum, optical microscopy, and computer simulation have been used to propose the mechanisms for this degradation based on water loss from anodic coatings. It has been determined that water vaporization during vacuum-ultraviolet exposure can cause densification and cracking in a sealed anodic coating. Increased specific density and cracks reduce the reflectance in the short wavelength region and lead to an increase in absorptance.
172

TWO-DIMENSIONAL, HYPERSONIC WINGS OF MAXIMUM LIFT-TO-DRAG RATIO

HULL, DAVID GEORGE January 1967 (has links)
No description available.
173

HYPERSONIC MINIMUM DRAG BODIES OF GIVEN LIFT UNDER VARIOUS GEOMETRIC CONSTRAINTS

LUSTY, ARTHUR HERBERT, JR. January 1967 (has links)
No description available.
174

TRANSVERSAL CONTOUR OF A CONICAL BODY HAVING MAXIMUM LIFT-TO-DRAG RATIO AT HYPERSONIC SPEEDS

HUANG, HO-YI January 1968 (has links)
No description available.
175

A PROBLEM OF THREE-DIMENSIONAL HYPERSONIC BOUNDARY LAYER INTERACTION

HURLEY, FRANCIS XAVIER, JR. January 1968 (has links)
No description available.
176

AN EXPERIMENTAL EVALUATION OF THE TOTAL AND ABLATION PRODUCTS RADIATION IN A HYPERSONIC SHOCK LAYER

HIRSCH, MARTIN HAROLD January 1969 (has links)
No description available.
177

AN INVESTIGATION OF THE STABILITY OF FLOWS USING THE DIRECT METHOD OF LIAPUNOV

KISTLER, ERNEST LOSSON January 1969 (has links)
No description available.
178

A NUMERICAL METHOD OF SOLUTION FOR THE EQUATIONS DESCRIBING THE COMPRESSIBLE, TURBULENT, TIME-DEPENDENT FLOW OF AN IDEAL GAS NEAR A SOLID BOUNDARY

PARK, JAMES EDWARD January 1969 (has links)
No description available.
179

STRUCTURE OF THE DAYSIDE EQUATORIAL MAGNETOSPHERIC BOUNDARY AS DEDUCED FROM PLASMA FLOW

WARREN, CARLOS SCOTT January 1969 (has links)
No description available.
180

MODIFICATIONS AND EXTENSIONS OF THE SEQUENTIAL GRADIENT-RESTORATION ALGORITHM

DAMOULAKIS, JOHN NICHOLAOS January 1970 (has links)
No description available.

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