Christopher E. Petrin

Graduate Research Assistant

Mechanical & Aerospace Engineering, Oklahoma State University

cepetri@okstate.edu

EFPL Member: 2014-present

Ph.D. Topic: Fluid mechanisms responsible for infrasound from tornadoes.

Expertise: Experimental methods, PIV, helicopter wake dynamics, tornado infrasound

ORCID: 0000-0002-4582-2679

Updated: July 6, 2020

Educational Background

Ph.D., 2021 (expected), Mechanical & Aerospace Engineering, Oklahoma State University, Stillwater.

M.S., 2017, “Frequency content in the wakes of rotating bluff body helicopter hub models,” Mechanical & Aerospace Engineering, Oklahoma State University, Stillwater.

B.S., 2014, Mechanical & Aerospace Engineering, Oklahoma State University, Stillwater.

Publications

Archived Journal Articles

  1. BR Elbing, L Daniel, Y Farsiani & CE Petrin (2018) “Design and validation of a recirculating, high-Reynolds number water tunnel,” ASME Journal of Fluids Engineering, 140(8), 081102 (doi.org/10.1115/1.4039509).
  2. CE Petrin, B Jayaraman & BR Elbing (2019) “Characterization of a canonical helicopter hub wake,” Experiments in Fluids, 60(1), 9 (doi.org/10.1007/s00348-018-2655-4).
  3. BR Elbing, CE Petrin & MS Van Den Broeke (2019) “Measurement and characterization of infrasound from a tornado producing storm,” accepted to Journal of the Acoustical Society of America, 146(3), 1528-1540 (doi.org/10.1121/1.5124486).

Conference Papers

  1. CE Petrin, T Martin, W Caire, ML Thies & BR Elbing (2018) “Modification of drag on the ear of Brazilian free-tailed bats (Tadarida brasiliensis) via leading-edge tubercles,” 2018 AIAA Aviation and Aeronautics Forum and Exposition, FD-09 Bio-Inspired Fluid Dynamics, AIAA2018-2917, Atlanta, GA (June 25-29) (doi.org/10.2514/6.2018-2917).
  2. BR Elbing, CE Petrin & MS Van Den Broeke (2018) “Infrasound measurements from a tornado in Oklahoma,” Proceedings of Meetings on Acoustics, 33(1), 0450003 (doi.org/10.1121/2.0001015).
  3. CE Petrin & BR Elbing (2019) “Infrasound emissions from tornadoes and severe storms compared to potential tornadic generation mechanisms,” Proceedings of Meetings on Acoustics, (2019), 045005 (doi.org/10.1121/2.0001099).

National Conference Presentations

  1. CE Petrin & BR Elbing (2015) “Modification of the wake behind a bat ear with and without tubercles,” American Physical Society – Division of Fluid Dynamics Annual Meeting, H27.03, Boston, MA (Nov. 22-24); abstract in Bull. Am. Phys. Soc. Vol. 60(21).
  2. G Kibble, C Petrin, JD Jacob, BR Elbing, P Ireland & B Black (2016) “Aerodynamic impact of an aft-facing slat step on high Re Airfoils,” American Physical Society – Division of Fluid Dynamics Annual Meeting, A6.07, Portland, OR (Nov. 20-22); abstract in Bull. Am. Phys. Soc. Vol. 61(20).
  3. CE Petrin, D Reich, S Schmitz & BR Elbing (2016) “Spectral analysis of the wake behind a helicopter rotor hub,” American Physical Society – Division of Fluid Dynamics Annual Meeting, L6.05, Portland, OR (Nov. 20-22); abstract in Bull. Am. Phys. Soc. Vol. 61(20).
  4. CE Petrin & BR Elbing (2017) “Infrasonic emissions from a tornado,” American Physical Society – Division of Fluid Dynamics Annual Meeting, Q19.6, Denver, CO (Nov. 19-21); abstract in Bull. Am. Phys. Soc. Vol. 62(14).
  5. BR Elbing, CE Petrin & MS Van Den Broeke (2018) “Monitoring infrasound from a tornado in Oklahoma,” 175th Meeting of the Acoustical Society of America, 2pPA Infrasound for Global Security II, Minneapolis, MN (May 7-11); abstract in Journal of the Acoustical Society of America, Vol. 143, 1808.
  6. CE Petrin, MS Van Den Broeke & BR Elbing (2018) “Tornado and hail infrasound observations during severe storms,” 29th Conference on Severe Local Storms, PS-2B.85, Stowe, VT (Oct 22-26).
  7. CE Petrin, MS Van Den Broeke & BR Elbing (2018) “Severe storm infrasound observations during spring 2018,” American Physical Society – Division of Fluid Dynamics Annual Meeting, A26.8, Atlanta, GA (Nov. 18-20); abstract in Bull. Am. Phys. Soc. Vol. 63(13).
  8. CE Petrin & BR Elbing (2019) “Comparison of infrasound emissions observed during a tornado with potential fluid mechanisms,” 177th Meeting of the Acoustical Society of America, 4pPAa7 Physical Acoustics and Signal Processing in Acoustics: Infrasound II, Louisville, KY (May 13-17); abstract in Journal of the Acoustical Society of America, Vol. 145(3), 1901 (doi.org/10.1121/1.5101896).
  9. BR Elbing, C Petrin & M Van Den Broeke (2019) “Potential fluid mechanisms for low frequency sound from tornadoes,” American Physical Society – Division of Fluid Dynamics Annual Meeting, M02.12, Seattle, WA (Nov. 23-26); abstract in Bull. Am. Phys. Soc. Vol. 64(13).
  10. BR Elbing, CE Petrin, MS Van Den Broeke and Erik Green (2019) “Infrasound observations from the 2019 tornado season,” 178th Meeting of the Acoustical Society of America, 1pPA3 Physical Acoustics: General Topics in Physical Acoustics II, San Diego, CA (Dec 2-6); abstract in Journal of the Acoustical Society of America, Vol. 146(4), 2783 (doi.org/10.1121/1.5136639).

EFPL Projects

  • Characterization of the EFPL Large Water Tunnel
  • Experimental characterization of the conformal vortex generator (CVG) from Edge Aerodynamix
  • Experimental characterization of a canonical helicopter hub wake
  • Comparison of tornado infrasound observations against potential fluid mechanisms

Honors & Awards

  1. 2019 Robert & Jean Schuetz Graduate Fellowship in CEAT
  2. 2018 EFPL LPU Cup Winner
  3. 2017 Tom J. Cunningham Distinguished Graduate Fellowship
  4. 2017 John Brammer Graduate Research Fellowship
  5. 2017 MAE Graduate Research Symposium, Best Oral Presentation

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