Robert M. Keolian , Ph.D. Associate Professor of Acoustics Senior Research Associate Applied Research Laboratory Phone:(814) 865-1365 E-mail: keolian@psu.edu

Research Interests

• Thermoacoustic Energy Conversion
• Nonlinear Physics
• Biophysics

Courses Taught

• ACS 501: Fundamentals of Acoustics I
• ACS 597I: Thermoacoustic Devices
• ACS 497B: General Acoustics Measurement Techniques
• ME 051: Mechanical Design

Current Graduate Students

• Karl Mueller
• John Brady

Former Graduate Students and Postdocs

• John Parkins
• Kevin Bastyr
• Ray Wakeland
• Stefan Turneaure

Selected Publications

R. S. Wakeland and R. M. Keolian, "Calculated effects of pressure-driven temperature oscillations on heat exchangers in thermoacoustic devices with and without a stack," J. Acoust. Soc. Am. 116 (1), 294-302 (2004).

R. S. Wakeland and R. M. Keolian, "Effectiveness of parallel-plate heat exchangers in thermoacoustic devices," J. Acoust. Soc. Am. 115 (6), 2873-2886 (2004).

K. J. Bastyr, R. M. Keolian, "High-frequency Acoustic-Stirling Heat Engine Demonstration Device," ARLO , 4 , 37-40 (2003).

R. S. Wakeland and R. M. Keolian, "Thermoacoustics with Idealized Heat Exchangers and No Stack,"  J. Acoust. Soc. Am. 111 (6), 2654-2664 (2002).

R. A. Johnson, S. L. Garrett and R. M. Keolian, "Thermoacoustic Cooling for Surface Combatants," Naval Engineer's Journal, 335-345 (July 2000).

R. W. M. Smith, S. L. Garrett, R. M. Keolian and J. A. Corey,"High Efficiency 2-kW Thermoacoustic Driver," Proceedings of the Joint Meeting of the ASA/EAA/DAGA, Berlin, Germany, 15-19 March 1999.

R. J. Gibson, F. S. Nessler and R. M. Keolian,"A Thermoacoustic Pin Stack for Improved Efficiency," Heat Transfer-Baltimore 1997, Am. Inst. Chem. Eng. Symposium Series 314(93), 258-264 (1997).

R. M. Keolian, "A Demonstration Apparatus of the Cochlea," J. Acoust. Soc. Am 101(2): 1199-1201 (1997).

W. Denk, R. M. Keolian, S. Ogawa and L. W. Jelinski, "Oscillatory Flow in the Cochlea Visualized by Novel Magnetic Resonance Imaging Technique," Proc. Nat. Acad. Sci. USA 90: 1595-1598 (1993).

P. N. Fraenkel, R. Keolian and J. D. Reppy, "Pressure Dependence of the Zero-Temperature Real Squashing Mode in He-3B," Phys. Rev. Lett. 62: 1126-1129 (1989).

R. Keolian, L. A. Turkevich, S. J. Putterman, I. Rudnick, J. A. Rudnick, "Subharmonic Sequences in the Faraday Experiment: Departures from Period Doubling," Phys. Rev. Lett. 47 , 1133-1136 (1981).

Selected Patents

R. M. Keolian and G. W. Swift, "Thermoacoustic Pin Stack," Patent No. 5,456,082 (October 1995).

R. M. Keolian, C. B. Cameron and S. L. Garrett, "Symmetric Demodulator for Optical Fiber Interferometers woth (3X3) Outputs," Patent No. 5,313,266 (May 1994).

 

Graduate Program in Acoustics, The Pennsylvania State University