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The effect of humidity on the ignition temperatures of some organic materials

Creator:: Bryant, Stanley Leroy
Resource Type:: Masters Thesis
Full Text:: !', Wtt8h1ngton Crown Willamette t apeP Oom.pany-. Camas, Wa•h1ngton St. Helen• Pulp &Paper Oom.p-.ny, St

Airborne sampling of particles emitted to the atmosphere from Kraft paper mill processes and their characterization by electron microscopy

Creator:: Augustine, Frank Edward
Abstract:: A high volume sampling system, employing Nuclepore filters and designed for sampling particulate in the plumes from industrial sources using a light aircraft, is described. The effluent of kraft paper mills was sampled using this system and then analyzed by electron microscopy. Size distributions of particles were obtained at several...
Resource Type:: Dissertation
Full Text:: from Kraft paper mill processes and their characterization by electron microscopy AN ABSTRACT OF THE

The fracture toughness of medium density fiberboard and other fiber bridging composites

Creator:: Matsumoto, Noah T.
Abstract:: In many composites, fiber bridging develops as part of the fracture process. Fiber bridging invalidates many toughness evaluation methods such as the ASTM E399 and complicates the identification of crack length, which is a necessary parameter in energy methods. In order to measure the toughness of fiber bridging composites, an...
Resource Type:: Masters Thesis
Full Text:: experience, expertise and technical prowess in experimental testing and miscellaneous tasks. • Professor

Simulating changing diameter distributions in a softwood sawmill

Creator:: Salichon, Maxence C.
Abstract:: Sawmills are very complex systems that involve many manufacturing processes. The variability of their raw material adds further to this complexity as each log has characteristics that determine its processing path. Therefore, computer simulation is a very useful technique for analyzing sawmill performance. This thesis describes a simulation computer model...
Resource Type:: Masters Thesis
Full Text:: (smallest log-yard distribution) 85 Number of log-segments processed at the EDLF as a function of the EDLF

Experimental and finite-element analysis of stress distributions near the end of reinforcement in partially reinforced glulam

Creator:: Kirlin, Chad P.
Abstract:: Recently, fiber-reinforced plastics (FRP lamina) have been applied to glued-laminated (glulam) timber for the purpose of improving bending strength and stiffness. Initially, full length reinforcement using FRP lamina was developed. However, the cost of FRP lamina is a significant portion of the total cost of reinforced glulam. Therefore, it is...
Resource Type:: Masters Thesis

Modelling root reinforcement in shallow forest soils

Creator:: Skaugset, Arne E.
Abstract:: A hypothesis used to explain the relationship between timber harvesting and landslides is that tree roots add mechanical support to soil, thus increasing soil strength. Upon harvest, the tree roots decay which reduces soil strength and increases the risk of management -induced landslides. The technical literature does not adequately support...
Resource Type:: Dissertation

Using discrete-event simulation to study the influence of log yard sorting on sawmill processing efficiency of small-diameter timber

Creator:: Pinon, Olivia J.
Abstract:: A sawmill is similar to other manufacturing enterprises when it comes to making decisions, scheduling production and meeting customer demands. In order to help sawmills achieve their goals, and because there is such a high degree of variability in the raw material used in this industry, computer simulation has proven...
Resource Type:: Masters Thesis
Full Text:: rates and 95% confidence interval half- width for two different mixes (500 replications). 85 Average

Quantifying the total organic compound emissions during kiln drying of 2 by 6 coastal Douglas-fir lumber and analyzing the effects of drying conditions

Creator:: Wu, Jing
Abstract:: Volatile organic emissions (VOCs) from the kiln drying of lumber are of concern to government, research agencies, and the forest products industry. In the Pacific Northwest, neither the quantity of VOC emissions from kilns drying Douglas-fir is available, nor the effects of drying schedule and lumber-related characteristics on the emissions....
Resource Type:: Masters Thesis

Properties of veneer sliced from serpentine-end-matched flitches

Creator:: Liu, Yuqing
Abstract:: Eighteen Ponderosa Pine (Pinus ponderosa Dougl.ex.laws) veneer flitches were randomly selected and crosscut into paired flitches. Serpentine-end-matched (SEM) joints were machined in the flitches, joint amplitude equal to the width in one half of the paired flitch and joint amplitude equal to 2/3 width in the other half of the...
Resource Type:: Masters Thesis

Analyzing manufacturing system changes using discrete event simulation

Creator:: Baker, Eric S.
Abstract:: This research studied the effects of changing from a traditional manufacturing system to a cell manufacturing system in a value-added wood products company. Discrete event simulation was used to describe the current system and the proposed new systems. Parts were separated into part families that shared similar processing requirements. From...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

The effect of humidity on the ignition temperatures of some organic materials

Airborne sampling of particles emitted to the atmosphere from Kraft paper mill processes and their characterization by electron microscopy

The fracture toughness of medium density fiberboard and other fiber bridging composites

Simulating changing diameter distributions in a softwood sawmill

Experimental and finite-element analysis of stress distributions near the end of reinforcement in partially reinforced glulam

Modelling root reinforcement in shallow forest soils

Using discrete-event simulation to study the influence of log yard sorting on sawmill processing efficiency of small-diameter timber

Quantifying the total organic compound emissions during kiln drying of 2 by 6 coastal Douglas-fir lumber and analyzing the effects of drying conditions

Properties of veneer sliced from serpentine-end-matched flitches

Analyzing manufacturing system changes using discrete event simulation

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