Thermal Diffusion Shock Waves in a Linear Temperature Field and Comparison of Ultrasonic Distillation to Sparging of Liquid Mixtures by Hyeyun Jung M.Sc., Brown University 2007 B.Sc., Seoul National University 2004 A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Physics at Brown University PROVIDENCE, RHODE ISLAND May 2012