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Filtering by: Advisor Griffiths, David Decade 1990-1999 Non-Academic Affiliation Oregon State University. Graduate School

Hypervelocity spectroscopy from impacts in polymeric materials

Creator:

Buettner, Douglas J.

Abstract:

Stacked sheets of polyethylene terephthalate andpolystyrene provide a means for recovering projectiles travelling at hypervelocities. The transparency of these multiple diaphragms is utilized so that light generated from hypervelocity impacts can be studied. A method for gathering visible as well as ultraviolet light from less transparent polymer foams has been...

Resource Type:

Masters Thesis

Full Text:

Institute of Technology, (Pasadena: 1991), 1-2. 2. David J. Griffiths. Comet Coma Sample Return
The effect of void distribution on the Hugoniot state of porous media

Creator:

Creel, Emory Myron Willett

Abstract:

Shocked porous granular material experiences pressure dependent compaction. D. John Pastine introduced a model in which the degree of compaction is dependent on the pressure induced by the shock wave, the shear strength of the material, and the distribution of void sizes. In the past, the model could only be...

Resource Type:

Masters Thesis

Full Text:

number of voids in the material. This approximation was most recently used by David Griffiths and Doug
Fine benthic organic matter (FBOM) dynamics in low-order mountain streams : (1) methods evaluation and (2) the effects of stand age, season, and elevation on FBOM nutrient availability and microbiological characteristics

Creator:

Bonin, Heather

Abstract:

Allochthonous litter inputs are a primary source of organic matter in low-order forested streams. A major component of this litter moves through small streams as fine particulate organic matter (FPOM). Litter decomposition has been well studied, but few studies have examined benthic FPOM (FBOM) dynamics. The purpose of this study...

Resource Type:

Masters Thesis

ScholarsArchive@OSU

Hypervelocity spectroscopy from impacts in polymeric materials

The effect of void distribution on the Hugoniot state of porous media

Fine benthic organic matter (FBOM) dynamics in low-order mountain streams : (1) methods evaluation and (2) the effects of stand age, season, and elevation on FBOM nutrient availability and microbiological characteristics

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