Date of Award

12-2016

Degree Type

Thesis

Degree Name

Master of Science

Major

Mechanical Engineering

Major Professor

Matthew M. Mench

Committee Members

David K. Irick, Kivanc Ekici

Abstract

The objective of this study was to determine the effects of ultrasonic transducers on heat transfer in a packed particle bed heat exchanger. Although substantial research has been devoted to ultrasound, and the associated improvements in heat transfer, data regarding the effects on packed particle beds is non-existent. This is of particular interest given the potential to improve heat transfer in a wide variety of packed particle bed systems. A 42.9% increase in the heat transfer rate was demonstrated as the result of improved fluid convection throughout the packed particle bed. Secondary effects, including acoustic cavitation, acoustic streaming and local agitation, may have also contributed to the improved heat transfer rate.

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