Photo of Rhett Jefferies

Rhett Jefferies

Associate Professor
Senior Research Associate


  • Applied Research Laboratory
  • Mechanical Engineering

3120B Garfield Thomas Water Tunnel


Research Areas:

Interest Areas:

Unsteady fluid mechanics, turbomachinery, advanced optical diagnostics for fluid flow, distributed electric propulsion






With more than 60 faculty members, 330 graduate students, and 800 undergraduate students, the Penn State Department of Mechanical Engineering embraces a culture that welcomes individuals with a diversity of backgrounds and expertise. Our faculty and students are innovating today what will impact tomorrow’s solutions to meeting our energy needs, homeland security, biomedical devices, and transportation systems. We offer B.S. degrees in mechanical engineering as well as resident (M.S., Ph.D.) and online (M.S.) graduate degrees in mechanical engineering. See how we’re inspiring change and impacting tomorrow at

Department of Mechanical Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519