Title page for ETD etd-32098-121812

Type of Document Master's Thesis
Author Lanz, Jason E.
Author's Email Address jlanz@vt.edu
URN etd-32098-121812
Title A Numerical Model for Thermal Effects in a Microwave Irradiated Catalyst Bed
Degree Master of Science
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
Thomas, James R. Jr. Committee Chair
Davis, William A. Committee Member
Scott, Elaine P. Committee Member
  • catalyst
  • microwave
  • selective heating
  • heat transfer
Date of Defense 1998-03-26
Availability unrestricted
Electromagnetic and heat transfer analysis is used to determine possibility of selective heating of nanometer-sized, metallic catalyst particles attached to a ceramic support through microwave irradiation. This analysis is incorporated into a macroscopic heat transfer model of a packed and fluidized catalyst bed heated by a microwave field to predict thermal effects associated with selective heating of the catalyst sites. The model shows a dependence on particle size and microwave frequency on the selective heating of the catalyst sites. The macroscopic thermal effects are shown to be small for a typical experiment. However, changing the support material and catalyst particle size are shown to distinguish the thermal effects associated with selective heating of the metallic catalysts.
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