Title page for ETD etd-07222008-202248


Type of Document Master's Thesis
Author Mueller, Jennifer Elizabeth
Author's Email Address jemuelle@vt.edu
URN etd-07222008-202248
Title Determining the Role of Porosity on the Thermal Properties of Graphite Foam
Degree Master of Science
Department Materials Science and Engineering
Advisory Committee
Advisor Name Title
Kampe, Stephen L. Committee Chair
Corcoran, Sean Gerald Committee Member
Klett, James Committee Member
Pickrell, Gary R. Committee Member
Poquette, Ben Committee Member
Keywords
  • Heat Transfer
  • Porosity
  • Characterization
  • Graphite Foam
Date of Defense 2008-07-10
Availability unrestricted
Abstract
Graphite foams have high bulk thermal conductivity and low density, making them an excellent material for heat exchanger applications. This research focused on the characterization of graphite foams under various processing conditions (different foaming pressures and particle additions), specifically studying the effects of porosity on the thermal properties. The characterization of the foams included measuring cell sizes, percent open porosity, number of cells per square inch, bulk density, Archimedes density, compression strength, thermal conductivity, thermal resistance, and permeability. Several relationships between the structure and properties were established, and a recommendation for the processing conditions of graphite foams for the use in heat exchangers was determined.
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