Index Catalog // ScholarsArchive@OSU

Environmentally Sustainable Product Design : Understanding the Environmental Impact of Product Function and Product Labeling

Creator:: Ferrero, Vincenzo J.
Abstract:: Using repositories to store product design information can provide additional and extensive design knowledge to the global design community. Using repository data in the design of new products can be especially impactful for DfX design objectives, such as product sustainability, about which many engineering designers have limited knowledge. Furthermore, repositories...
Resource Type:: Masters Thesis
Full Text:: : ________________________________________________________________ Bryony L. DuPont Using repositories to store product design information can provide

A comparative study of the performance of pin finned heat sinks for cooling electronic components by natural convection

Creator:: Manolescu, Mircea Ion
Abstract:: A study was conducted to determine the heat transfer characteristics of pin finned heat sinks in natural convection. Three pin diameters were studied: 0.238 cm, 0.318 cm and 0.396 cm. The pins were attached to the base in two arrangements, triangular and rectangular, forming a horizontal array. Pin spacing was...
Resource Type:: Masters Thesis
Full Text:: series. For a plane wall Equation 2.2 can be written as: AT L/kA (2.3) It is important to mention

A study of the characteristics of oscillatory surface instabilities leading to droplet formation

Creator:: Daniels, Brian J.
Abstract:: The characteristics of the free surface in an orifice driven by a periodic forcing function have been studied both theoretically and experimentally. In the theoretical study, two wall boundary condition cases were examined: 1) the radial velocity at the wall of the orifice is zero; and 2) the axial velocity...
Resource Type:: Masters Thesis

Design considerations for strain gage transducers

Creator:: Smith, Harlan Bradford
Abstract:: Design considerations are presented which apply to all types of electrical resistance strain gage transducers. While the concepts apply to mass produced transducers, the information should be most useful for the engineer or technician who designs one-of-a-kind or "home-made" transducers. Errors which affect the accuracy of strain gage transducers are...
Resource Type:: Masters Thesis
Full Text:: . RESISTANCE CHANGES Gage resistance change versus elongation is the gage factor: GF L/L AR /R Strain gage

Experimental investigation of supercritical heat transfer of carbon dioxide in parallel square microchannels with a single-wall constant heat flux boundary condition

Creator:: Zada, Kyle R.
Abstract:: In the vicinity of the pseudocritical point, supercritical carbon dioxide (sCO₂) undergoes a steep change in properties from “liquid-like” to “gas-like” as it is heated at a constant pressure. At the same time, there is a large spike in specific heat which can yield high heat transfer coefficients and heat...
Resource Type:: Masters Thesis
Full Text:: et al. 1970) L mm Length LMTD K Log-Mean-Temperature-Difference LTR N.A. Low temperature

Characterization of Bonding Defects in Carbon Fiber-Epoxy Plates via Thermal Wave Imaging

Creator:: Jolibois, Michael
Abstract:: Thermal wave imaging (TWI), a technology based on heat conduction and radiation through materials, is a relatively new addition to current non-destructive inspections (NDI) systems. Bonding of composites, an extremely important step in manufacturing and repair of laminates, could be affected by defects originating from faulty manufacturing processes or damages...
Resource Type:: Masters Thesis

Experimental study of subcooled water spray cooling using flow symmetric micro-structured surfaces

Creator:: Tulchinsky, Alex M.
Abstract:: Spray impingement cooling has been shown to be a leading candidate for future high heat flux cooling applications. In general, spray cooling curves consist of three heat flux regimes; single-phase, two-phase and critical heat flux (CHF). CHF is considered the design limit for almost all two-phase cooling applications, as a...
Resource Type:: Masters Thesis
Full Text:: of vaporization k thermal conductivity L length m mass flow rate N droplet number

An optimal design method for an air-heating solar energy collector

Creator:: Grill, Alan Richard
Abstract:: Some desirable features of a solar energy collector are listed and a collector design is presented which incorporates their features. As the collector is operated, air flows within the collector enclosure and is heated as it passes through a porous radiant energy receiver mounted in the enclosure. The porous energy...
Resource Type:: Masters Thesis
Full Text:: Temperatures Ft. 41 A temperature profile for such energy transfer is sketched in Figure 19. Glazing L

Off-design analysis and control of a wood-fired combined-cycle power plant

Creator:: Brawn, Robert Charles
Abstract:: This report presents the off-design analysis of various wood-fired combined-cycle power plants using a computer model to simulate plant performance. The combined-cycle systems investigated are characterized by having a woodfueled combustor, an indirect-fired gas turbine, and a Rankine steam cycle. This work was conducted as part of a larger biomass...
Resource Type:: Masters Thesis
Full Text:: . EXHAUST TO ATMOSPHERE WET FUEL INPUT L FLOW DIAGRAM BIOMASS-POWERED COMBINED-CYCLE POWER GENERATION

Modeling of geothermal power plants using the binary fluid cycle

Creator:: Walter, Ronald A.
Abstract:: In light of the current world-wide energy situation, the utilization of the immense reserves of geothermal energy is being actively pursued. The thermal energy contained in a geothermal reservoir is mainly stored in rocks, but is also held in liquid water and/or steam. The generation of electrical power from these...
Resource Type:: Masters Thesis
Full Text:: A Freon or NH 3 constant A L Freon or NH 3 constant A 0 hydrocarbon constant A 00 hydrocarbon

ScholarsArchive@OSU

Environmentally Sustainable Product Design : Understanding the Environmental Impact of Product Function and Product Labeling

A comparative study of the performance of pin finned heat sinks for cooling electronic components by natural convection

A study of the characteristics of oscillatory surface instabilities leading to droplet formation

Design considerations for strain gage transducers

Experimental investigation of supercritical heat transfer of carbon dioxide in parallel square microchannels with a single-wall constant heat flux boundary condition

Characterization of Bonding Defects in Carbon Fiber-Epoxy Plates via Thermal Wave Imaging

Experimental study of subcooled water spray cooling using flow symmetric micro-structured surfaces

An optimal design method for an air-heating solar energy collector

Off-design analysis and control of a wood-fired combined-cycle power plant

Modeling of geothermal power plants using the binary fluid cycle

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