Index Catalog // ScholarsArchive@OSU

Experimental Study of Nucleate Boiling Bubble Dynamics and Heat Transfer Enhancement on Printed Bi-functional Surfaces

Creator:: David, Michele
Abstract:: Boiling heat transfer is studied for its ability to dissipate high fluxes and achieve heat transfer coefficients two orders of magnitude greater than single-phase heat transfer systems. Heater surface enhancement with increased surface area, varied geometry, wettability contrast and micro/nano-structures can further enhance boiling heat transfer performance through bubble nucleation...
Resource Type:: Masters Thesis
Full Text:: Figure 3.9: Bi-functional surface distinct regions, SEM images of a) Dense ZnO nanoflower b) 150-500

The effect of geometric orientation and random wind conditions on flat plate convection rates

Creator:: Melchior, Daniel K.
Abstract:: An experimental investigation has been performed to determine the forced convection heat transfer due to three-dimensional air flow over a flat plate as a function of angle of attack and free stream velocity. The experimental method employed a transient thermal technique and placed the convecting surface next to the exhaust...
Resource Type:: Masters Thesis
Full Text:: . The flow in this investigation is largely two- dimensional due to the physical arrangement of the

An experimental study of flow boiling heat transfer enhancement in minichannels with porous mesh heating wall

Creator:: Wang, Hailei
Abstract:: A unique channel surface enhancement technique via diffusion-bonding a layer of conductive fine wire mesh onto the heating wall was developed and used to experimentally study flow boiling enhancement in parallel microchannels. Each channel was 1000 μm wide and 510 μm high. A dielectric working fluid, HFE 7000, was used...
Resource Type:: Dissertation
Full Text:: Superheat ....... 154 NOMENCLATURE b Height of Embryo Bubble N Mesh Number Bo Boiling Number Nu Nusselt

Design, modeling and performance of miniature reciprocating expander for a heat actuated heat pump

Creator:: Herron, Thomas G.
Abstract:: A miniature reciprocating expander is being developed as part of a larger program to develop a heat actuated heat pump for portable applications. By utilizing the higher energy density of liquid hydrocarbon fuels relative to batteries, a heat actuated heat pump would be able to provide cooling for much longer...
Resource Type:: Masters Thesis
Full Text:: : - / - .- Richard B. Peterson A miniature reciprocating expander is being developed as part of a larger program to

The local natural convection heat transfer coefficient on a heated horizontal cylinder oscillating in water

Creator:: Martin, Timothy William
Abstract:: An experimental study has been made of the local natural convective heat transfer coefficient around the circumference of a heated horizontal cylinder oscillating vertically in water. The heat transfer surface consisted of a 1 3/8-inch diameter cylinder with a small test section imbedded in its surface. This enabled data to...
Resource Type:: Masters Thesis
Full Text:: interpolating between data points given by Kreith (8, p. 537) which is the source of the physical constant

Convection heat transfer in separated regions-subsonic diffusers

Creator:: VanSant, James Hurley
Resource Type:: Dissertation
Full Text:: remainder of the author's graduate program. Professor M. B. Larson gave helpful suggestions and

Heat transfer during the piston-cylinder expansion of a gas

Creator:: Rodrigues, Matthew Jose
Abstract:: The expansion of a gas within a piston-cylinder arrangement is studied in order to obtain a better understanding of the heat transfer which occurs during this process. While the situation of heat transfer during the expansion of a gas has received considerable attention, the process is still not very well...
Resource Type:: Masters Thesis
Full Text:: model written in terms of an unknown polytropic exponent, n. By examining the physical significance of

Synthesis of colloidal metal oxide nanocrystals and nanostructured surfaces using a continuous flow microreactor system and their applications in two-phase boiling heat transfer

Creator:: Choi, Chang-Ho
Abstract:: Metal oxide nanocrystals have attracted significant interests due to their unique chemical, physical, and electrical properties which depend on their size and structure. In this study, a continuous flow microreactor system was employed to synthesize metal oxide nanocrystals in aqueous solution. Assembly of nanocrystals is considered one of the most...
Resource Type:: Dissertation
Full Text:: Figure 2.2. HRTEM images of ZnO nanocrystals formed at pH=13: (a) dispersed nanocrystals and (b

A study of the effects of heat transfer on the performance of a wetted-wall column : a refinement of the design correlation of Chilton-Colburn

Creator:: Chatlynne, Charles Jule
Resource Type:: Dissertation
Full Text:: . Film resistances in rectification. Journal of Applied Chemistry. 1:45-67. Chilton, T. H. and A. P

Coupled momentum and heat transport in laminar axisymmetric pipe flow of ferrofluids in non-uniform magnetic fields : theory and simulation

Creator:: Cruz-Fierro, Carlos Francisco
Abstract:: The effect of a non-uniform magnetic field on the coupled transport of momentum and heat is studied for the case of laminar pipe flow of a magnetically susceptible ferrofluid. The momentum and heat transport equations are complemented with the necessary electromagnetic terms and used to develop a computer simulation of...
Resource Type:: Masters Thesis
Full Text:: .................................................... 85 5.4 Magnitude of magnetic field B for the single-coil arrangement

ScholarsArchive@OSU

Experimental Study of Nucleate Boiling Bubble Dynamics and Heat Transfer Enhancement on Printed Bi-functional Surfaces

The effect of geometric orientation and random wind conditions on flat plate convection rates

An experimental study of flow boiling heat transfer enhancement in minichannels with porous mesh heating wall

Design, modeling and performance of miniature reciprocating expander for a heat actuated heat pump

The local natural convection heat transfer coefficient on a heated horizontal cylinder oscillating in water

Convection heat transfer in separated regions-subsonic diffusers

Heat transfer during the piston-cylinder expansion of a gas

Synthesis of colloidal metal oxide nanocrystals and nanostructured surfaces using a continuous flow microreactor system and their applications in two-phase boiling heat transfer

A study of the effects of heat transfer on the performance of a wetted-wall column : a refinement of the design correlation of Chilton-Colburn

Coupled momentum and heat transport in laminar axisymmetric pipe flow of ferrofluids in non-uniform magnetic fields : theory and simulation

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