Physics & Astronomy

Kent L. Gee – Curriculum Vitae

Assistant Professor of Physics

Brigham Young University     Dept. of Physics and Astronomy

N243 ESC  Provo, UT  84602    (801) 422-1544      kentgee@byu.edu

  

 

 

ACADEMIC APPOINTMENTS

 

Brigham Young University – Provo, UT

w   Assistant Professor, January 2006 - Present

w   Visiting Assistant Professor, August – December 2005

 

EDUCATION

 

The Pennsylvania State University – State College, PA

w   Ph.D. in Acoustics, August 2005

w   Dissertation title: Prediction of nonlinearity in jet noise propagation

 

Brigham Young University – Provo, UT

w   M.S. in Physics, August 2002                        

¡      Thesis title: Multi-channel active control of axial cooling fan noise

w   B.S. in Applied Physics, Magna Cum Laude, April 2001        

¡      Emphasis in Acoustics, minors in Mathematics and Spanish

 

RESEARCH AND EDUCATIONAL GRANTS

 

w   Blue Ridge Research and Consulting and Air Force Research Laboratory (2007-2009)

¡      PI, with Jon Blotter and Scott Sommerfeldt

¡      Investigation of near-field acoustic holography for aeroacoustic sources

w   HHI Corporation (2007)

¡      PI

¡      Measurement and analysis of blast noise from 30mm artillery gun

w   Technofirst Corporation (2007-2009)

¡      Co-PI, with Scott Sommerfeldt

¡      Development of active noise control concepts

w   Brigham Young University Mentoring Environment Grant (2007-2008)

¡      PI

¡      Establishment of a physical acoustics research and mentoring environment

w    STI Technologies, Inc. and NASA Stennis (2005-2008)

¡      PI, with Jon Blotter, Scott Sommerfeldt, and Tim Leishman

¡      Development of energy density probe for use near rocket plumes

w   National Instruments Academic Grant (2006) 

¡      Awarded three data acquisition systems for use in advanced acoustics laboratories and undergraduate projects leading to senior theses and capstone reports

w   BYU GE Matched Funds Grant (2005)

¡      PI, with Tracianne Neilsen

¡      Enhancement of Physics 167 assessment materials and teaching laboratories

 

 

 

 

RESEARCH AND MENTORING EXPERIENCE

 

Current Research and Mentoring                                                   

w   Near-field acoustical holography of jet and rocket noise

¡      Investigating NAH for characterizing aeroacoustic sources

¡      Advising student in assessing suitability of current holography techniques in high-amplitude noise fields

¡      Working with student making high-amplitude noise measurements using energy density probes

w   Active noise control research 

¡      Working with students and faculty on advanced system modeling for fan noise reduction

w   Other ongoing mentored research projects

¡      Measurements of near- and far-field noise from 30mm guns

¡      Study of metrics to quantify nonlinearity in jet noise

¡      Design of a 3-D microphone positioning system for BYU anechoic chamber

w   High-amplitude jet noise research

¡      Multi-institution collaborative effort aimed at characterizing nonlinearity present in military jet aircraft noise

¡      Currently pursuing external funding in this area

 

Past Research and Mentoring

w   Mentored undergraduate students on various projects, including

¡      Analysis of balloon acoustic lenses

¡      Study of Rubens flame tube physics

¡      Construction and study of a mechanical analogue of the human cochlea

¡      Application of loudness metrics to nonlinearly propagated noise

w   Developed numerical model to predict nonlinear spectral evolution of jet noise at long ranges

w   Participated in test design and measurement of high-amplitude jet noise in field and laboratory settings

w   Developed active control system for global reduction of cooling fan noise

w   Collaborated on energy density-based ANC projects and built prototype sensors

w   Developed three-axis scanning system capable of simultaneous two-dimensional acoustic intensity measurements

w   Researched and document flight-qualified acoustical materials for International Space Station experiment hardware design purposes

 

HONORS AND AWARDS

 

w   2007 Penn State Acoustics Program Kenneth T. Simowitz Award winner

w   150th ASA Meeting (2006) Outstanding Young Presenter in Noise

w   2006 ASA Women in Acoustics Travel Award

w   2006 Penn State Acoustics Program Kenneth T. Simowitz Citation winner

w   2005 Penn State Acoustics Program Kenneth T. Simowitz Award winner

w   Recipient of 2004 Institute of Noise Control Engineering Martin Hirschorn IAC Best Paper Award  [K. L. Gee and S. D. Sommerfeldt, Noise Cont. Eng. J. 51, 325-334 (2003)]

w   2004 ASA/ONR Physical Acoustics Summer School scholarship recipient

w   2002-2005 PSU College of Engineering Dean’s Fellowship

w   2002-2003 PSU University Graduate Fellowship

w   Inter-Noise 2002 Student Paper Competition Award

w   143^rd ASA Meeting (2002) Structural Acoustics and Vibration Paper Award – 2^nd Prize

w   2002 BYU Dept. of Physics Copley Graduate Fellowship

w   2001 BYU Magna Cum Laude graduate, B.S. in Applied Physics

w   2001 BYU Office of Research and Creative Activities Scholarship

w   Member of Phi Kappa Phi, Sigma Pi Sigma, and Golden Key Honor Societies

w   Four-year BYU University Scholarship

 

PROFESSIONAL ASSOCIATIONS

 

w   Acoustical Society of America

¡      Associate Editor, Noise, for Proceedings of Meetings on Acoustics

¡      Member of technical program and local organizing committees for the 2007 Salt Lake City ASA conference

¡      Member of the Education in Acoustics, Noise, and Physical Acoustics committees

¡      Serving on Physical Acoustics student representative search committee

¡      2004-05 Central PA Regional Chapter president

w   Institute of Noise Control Engineering

w   American Institute of Aeronautics and Astronautics

w   American Association of Physics Teachers

¡      Attended New Faculty Workshop in Baltimore, MD, Oct. 2006

 

LIST OF PUBLICATIONS

 

Patents

 

S. D. Sommerfeldt and K. L. Gee, “Multi-channel active control system and method for the reduction of tonal noise from an axial fan,” U.S. Patent No. 7,272,234 (Issued Sept. 2007).

 

Peer-Reviewed

 

K. L. Gee, V. W. Sparrow, M. M. James, J. M. Downing, C. M. Hobbs, T. B. Gabrielson, and A. A. Atchley, “Measurement and prediction of noise propagation from a high-power jet aircraft,” AIAA J. 45, 3003-3006 (2007).

 

B. B. Monson, S. D. Sommerfeldt, and K. L. Gee, “Improving compactness for active noise control of a small axial cooling fan,” Noise Control Eng. J. 55, 397-407 (2007).

 

K. L. Gee, V. W. Sparrow, A. A. Atchley, and T. B. Gabrielson, “On the perception of crackle in high-amplitude jet noise,” AIAA J. 45, 593-598 (2007).

 

K. L. Gee, S. H. Swift, V. W. Sparrow, K. J. Plotkin, and J. M. Downing,” “On the potential limitations of conventional sound metrics in quantifying perception of nonlinearly propagated noise,” J. Acoust. Soc. Am. 121, EL1-EL7 (2007).

 

K. L. Gee, V. W. Sparrow, M. M. James, J. M. Downing, and C. M. Hobbs “Measurement and prediction of nonlinearity in outdoor propagation of periodic signals,” J. Acoust. Soc. Am. 120, 2491-2499 (2006).

 

K. L. Gee, T. B. Gabrielson, A. A. Atchley, and V. W. Sparrow, “Preliminary analysis of nonlinearity in military jet aircraft noise propagation,” AIAA J. 43, 1398-1401 (2005).

 

K. L. Gee and S. D. Sommerfeldt, “Application of theoretical modeling to multichannel active control of cooling fan noise,” J. Acoust. Soc. Am. 115, 228-236 (2004).

 

K. L. Gee and S. D. Sommerfeldt, "A compact active control implementation for axial cooling fan noise," Noise Control Eng. J. 51, 325-334 (2003).

 

 

Peer-Reviewed (Submitted)

K. L. Gee, V. W. Sparrow, M. M. James, J. M. Downing, C. M. Hobbs, T. B. Gabrielson, and A. A. Atchley, “The impact of nonlinear effects on the propagation of noise from high-power jets,” submitted to J. Acoust. Soc. Am. (2007).

 

Peer-Reviewed (in Process)

 

K. L. Gee, M. R. Shepherd, L. E. Falco, A. A. Atchley, L. S. Ukeiley, B. J. Jansen, and J. M. Seiner, “Identification of nonlinear and near-field effects in jet noise using nonlinearity indicators,” to be submitted to AIAA J. (2008).

 

C. R. Duke, S. D. Sommerfeldt, K. L. Gee, and C. V. Duke, “Optimization of control source locations in free-field active noise control using a genetic algorithm,” to be submitted to J. Acoust. Soc. Am. (2008).

 

M. R. Shepherd, K. L. Gee, and M. S. Wochner, “On the application of near-field acoustical holography to reconstruct a finite-amplitude noise source,” to be submitted to J. Acoust. Soc. Am. (2008).

 

B. M. Shafer, K. L. Gee, and S. D. Sommerfeldt, “Verification of a near-field error sensor placement method in active control of cooling fan noise,’ to be submitted to J. Acoust. Soc. Am. (2008).

 

B. M. Shafer, K. L. Gee, and S. D. Sommerfeldt, “On the use of multipole-expansion in optimization of error sensor placement in active control of cooling fan noise,” to be submitted to J. Acoust. Soc. Am. (2008).

 

S. Hales Swift and K. L. Gee, “An evaluation of time-varying loudness as applied to the perception of nonlinearly propagated noise,” to be submitted to JASA-EL (2008).

 

D. C. Thomas, K. L. Gee, and R. S. Turley, “Analysis of the acoustical balloon lens,” to be submitted to Am. J. Phys. (2008).

 

M. Gardner, G. R. Dix, and K. L. Gee, “Understanding Rubens flame tube resonances,” to be submitted to J. Acoust. Soc. Am. (2008).

 

G. R. Dix, M. Gardner, and K. L. Gee, “Design considerations for Rubens Flame Tube demonstrations, to be submitted to Am. J. Phys. (2008).

 

 

Invited Papers

 

K. L. Gee and A. A. Atchley, “Why acoustic shocks are important to our perception of military jet aircraft noise,” Proc. NATO Study Group on Military Jet Aircraft Noise, Athens, Greece, Dec. 2007.

 

S. Hales Swift and K. L. Gee, “Evaluation of time-varying loudness for quantifying perception of nonlinearly propagated noise,” Proc. Noise-Con 2007, Reno, NV, Oct. 2007.

 

K. L. Gee, V. W. Sparrow, A. A. Atchley, and T. B. Gabrielson, “Snap, crackle, pop: the sound of freedom?” Lay language paper, 153^rd ASA meeting, Salt Lake City, UT, 2007.

 

C. R. Duke, S. D. Sommerfeldt, and K. L. Gee, “Optimization of control source locations in an active noise control application of axial cooling fans using genetic algorithms,” J. Acoust. Soc. Am. 121, 3179.

 

K. L. Gee and V. W. Sparrow, “Quantifying nonlinearity in the propagation of noise from military jet aircraft,” Proc. Noise-Con 05, Minneapolis, MN, Oct. 2005.

 

L. E. Falco, K. L. Gee, A. A. Atchley, and V. W. Sparrow, “Investigation of a single-point indicator of nonlinearity in one-dimensional propagation,” Proc. Forum Acusticum, Budapest, Hungary, Aug. 2005.

 

 

Conference Proceedings

 

C. R. Duke, S. D. Sommerfeldt, K. L. Gee, and C. V. Duke, “Optimization of control source locations in free-field active noise control using a genetic algorithm,” Proc. Noise-Con 2007, Reno, NV, Oct. 2007.

 

C. V. Duke, S. D. Sommerfeldt, K. L. Gee, and C. R. Duke, “Measurement and evaluation of blade passage frequency fluctuations,” Proc. Noise-Con 2007, Reno, NV, Oct. 2007.

 

S. Hales Swift and K. L. Gee, “Evaluation of time-varying loudness for quantifying perception of nonlinearly propagated noise,” Proc. Noise-Con 2007, Reno, NV, Oct. 2007.

 

B. M. Shafer, K. L. Gee, and S. D. Sommerfeldt, “Optimal near-field error sensor locations for active control of fan noise using multipole expansions,” Proc. Noise-Con 2007, Reno, NV, Oct. 2007.

 

K. L. Gee, M. R. Shepherd, L. E. Falco, A. A. Atchley, L. S. Ukeiley, B. J. Jansen, and J. M. Seiner, “Identification of nonlinear and near-field effects in jet noise using nonlinearity indicators,” AIAA paper 2007-3653, May 2007.

 

S. A. McInerny, K. L. Gee, J. M. Downing, and M. M. James, “Acoustical nonlinearities in aircraft flyover data,” AIAA paper 2007-3654, May 2007.

 

K. L. Gee, V. W. Sparrow, M. M. James, J. M. Downing, C. M. Hobbs, T. B. Gabrielson, and A. A. Atchley, “Measurement and prediction of noise propagation from a high-power jet aircraft,” AIAA paper 2006-2531, May 2006.

 

K. L. Gee, V. W. Sparrow, A. A.  Atchley, and T. B. Gabrielson, “On the perception of crackle in noise radiated from military jet aircraft,” AIAA paper 2006-2530, May 2006.

 

L. E. Falco, A. A. Atchley, and K. L. Gee, “Investigation of a single-point nonlinearity indicator in the propagation of high-amplitude noise,” AIAA paper 2006-2529, May 2006.

 

K. L. Gee and V. W. Sparrow, “Quantifying nonlinearity in the propagation of noise from military jet aircraft,” Proc. Noise-Con 05, Minneapolis, MN, Oct. 2005.

 

M. M. James, J. M. Downing, C. M. Hobbs, K. L. Gee, S. A. McInerny, and V. W. Sparrow, “Nonlinearity in outdoor propagation of high-power jet noise: measurement results,” Proc. Noise-Con 05, Minneapolis, MN, Oct. 2005.

 

L. E. Falco, K. L. Gee, A. A. Atchley, and V. W. Sparrow, “Investigation of a single-point indicator of nonlinearity in one-dimensional propagation,” Proc. Forum Acusticum, Budapest, Hungary, Aug. 2005.

 

K. L. Gee and V. W. Sparrow, “Asymptotic behavior in the numerical propagation of finite-amplitude jet noise,” 17^th International Symposium on Nonlinear Acoustics, State College, PA, July 2005.

 

L. E. Falco, A. A. Atchley, K. L. Gee, and V. W. Sparrow, “Investigation of a single-point indicator of nonlinearity in one-dimensional propagation,” 17^th International Symposium on Nonlinear Acoustics, State College, PA, July 2005.

 

K. L. Gee, V. W. Sparrow, T. B. Gabrielson, and A. A. Atchley, “Nonlinear modeling of F/A-18E/F noise propagation,” AIAA paper 2005-3089, May 2005.

 

K. L. Gee, A. A. Atchley, L. E. Falco, T. B. Gabrielson, and V. W. Sparrow, “Bispectral analysis of high-amplitude jet noise,” AIAA paper 2005-2937, May 2005.

 

K. L. Gee, B. P. Petitjean, D. K. McLaughlin, and V. W. Sparrow, “Nonlinear propagation of noise radiated from supersonic jets,” Proc. Noise-Con 04, edited by C. B. Burroughs and G. C. Maling, Jr. (Noise Control Foundation, Poughkeepsie, New York, 2004), pp. 725-733.

 

K. L. Gee, T. B. Gabrielson, A. A. Atchley, and V. W. Sparrow, “Indicators of nonlinearity in F/A-18E/F noise propagation,” Proc. 17th ONR Propulsion Meeting, edited by G. D. Roy and A. F. Ghoniem (Office of Naval Research Energy Conversion and Propulsion Program, Arlington, VA, 2004), pp. 69-74.

 

K. L. Gee, T. B. Gabrielson, A. A. Atchley, and V. W. Sparrow, “Preliminary analysis of nonlinearity in F/A-18E/F noise propagation,” AIAA paper 2004-3009, May 2004.

 

G. Dix, K. L. Gee, and S. D. Sommerfeldt, “Design and implementation of an automated intensity scanning system at the Acoustical Testing Lab of NASA Glenn Research Center,” Proc. Noise-Con 03, edited by D. K. Holger and G. C. Maling, Jr. (Noise Control Foundation, Poughkeepsie, New York, 2003), paper nc03_202.

 

K. L. Gee and S. D. Sommerfeldt, “Multi-channel active control of axial cooling fan noise,” Proc. Inter-Noise 2002, edited by A. Selamet, R. Singh, and G. C. Maling, Jr. (Noise Control Foundation, Poughkeepsie, New York, 2002), paper N616.

 

Conference Abstracts (with Oral Presentation)

 

K. L. Gee and A. A. Atchley, “Why acoustic shocks are important to our perception of military jet aircraft noise,” Proc. NATO Study Group on Military Jet Aircraft Noise, Athens, Greece, Dec. 2007.

 

C. V. Duke, S. D. Sommerfeldt, K. L. Gee, and C. R. Duke, “Measurement and evaluation of blade passage frequency fluctuations,” J. Acoust. Soc. Am. 112, 2964 (2007).

 

J. M. Downing, M. M. James, K. L. Gee, and S. M. McInerny, “Do recent findings on jet noise raise questions about the Schultz curve?” TRB ADC40 Summer Meeting, San Luis Obispo, July 2007.

 

M. R. Shepherd, M. S. Wochner, and K. L. Gee, “Numerical study of finite-amplitude source reconstruction,” J. Acoust. Soc. Am. 121, 3070 (2007).

 

M. M. James, J. M. Downing, S. A. McInerny, and K. L. Gee, “Analysis of acoustical nonlinear measures for aircraft flyover data,” J. Acoust. Soc. Am. 121, 3112 (2007).

 

K. L. Gee, V. W. Sparrow, A. A. Atchley, and T. B. Gabrielson, “On the perception of crackle in noise radiated from military jet aircraft,” J. Acoust. Soc. Am. 121, 3112 (2007).

 

S. H. Swift and K. L. Gee, “Evolution of time-varying loudness during nonlinear propagation of broadband noise,” J. Acoust. Soc. Am. 121, 3113 (2007).

 

S. S. Tomlinson, R. Anderson, K. L. Gee, and S. D. Sommerfeldt, “Demonstration of properties of human hearing using a cochlear analogue,” J. Acoust. Soc. Am. 121 3115 (2007).

 

M. D. Gardner, G. R. Dix, K. L. Gee, and J. Giraud, “An investigation of Rubens flame tube resonances,” J. Acoust. Soc. Am. 121, 3156 (2007).

 

D. C. Thomas, K. L. Gee, and R. S. Turley, “Physics of a balloon lens,” J. Acoust. Soc. Am. 121 3157 (2007).

 

C. R. Duke, S. D. Sommerfeldt, and K. L. Gee, “Optimization of control source locations in an active noise control application of axial cooling fans using genetic algorithms,” J. Acoust. Soc. Am. 121, 3179.

 

B. M. Shafer, K. L. Gee, S. D. Sommerfeldt, and J. I. Fjelsted, “Determination of optimal near-field error sensor locations for active control of cooling fan noise using spherical harmonic expansions,” J. Acoust. Soc. Am. 121, 3180 (2007).

 

C. R. Duke, S. L. Thomson, S. D. Sommerfeldt, K. L. Gee, C. V. Duke, and D. W. Krueger, “Near field placement of error sensors in an active noise control application of axial cooling fans using flow visualization techniques,” J. Acoust. Soc. Am.  121, 3180 (2007).

 

D. C. Thomas, K. L. Gee, and R. S. Turley, “Physics of an acoustic balloon lens,” Idaho-Utah AAPT section meeting, Logan, UT, March 2007.

 

M. D. Gardner, G. R. Dix, K. L. Gee, and J. Giraud, “Solving Rubens’ Flame Tube,” Idaho-Utah AAPT section meeting, Logan, UT, March 2007.

 

B. M. Shafer, K. L. Gee, S. D. Sommerfeldt, and C. V. Duke, “Near-field mapping of pressure fields during active control of small axial cooling fans,” J. Acoust. Soc. Am. 120, 3198 (2006).

 

M. R. Shepherd and K. L. Gee, “The effects of nonlinear propagation on acoustic source imaging in one-dimension,” Proceedings of 2006 Four Corners Section of the APS Fall Meeting, 6-7 Oct 2006, Logan, UT.

 

 B. M. Shafer, C. V. Duke, and K. L. Gee, “Near-field mapping of pressure fields during active control of small axial cooling fans,” Proceedings of 2006 Four Corners Section of the APS Fall Meeting, 6-7 Oct 2006, Logan, UT.

 

K. L. Gee, M. R. Shepherd, L. E. Falco, A. A. Atchley, L. S. Ukeiley, and B. J. Jansen, “Analysis of high-amplitude jet noise using nonlinearity indicators,” J. Acoust. Soc. Am. 119, 3384 (2006).

 

L. E. Falco, K. L. Gee, and A. A. Atchley, “Measurements of the rate of change of the power spectral density due to nonlinearity in one-dimensional propagation,” J. Acoust. Soc. Am. 117, 2596 (2005).

 

K. L. Gee, V. W. Sparrow, M. M. James, and J. M. Downing, “Nonlinearity in outdoor propagation of periodic signals: prediction method development,” J. Acoust. Soc. Am. 115, 2517 (2004).

 

J. M. Downing, M. M. James, C. Hobbs, K. L. Gee, V. W. Sparrow, and S. A. McInerny, “Nonlinearity in outdoor propagation of periodic signals: measurement and results,” J. Acoust. Soc. Am. 115, 2517 (2004).

 

V. W. Sparrow, D. K. McLaughlin, P. J. Morris, K. L. Gee, B. P. Petitjean, U. Paliath, S. McInerny, M. Downing, and K. Plotkin, “Nonlinear noise generation and propagation from high-thrust jet engines,” Partners in Environmental Technology Symposium and Workshop, Washington D. C., 2-4 Dec., 2003.

 

K. L. Gee and V. W. Sparrow, “Evaluating prediction methods for the spectral evolution of finite-amplitude jet noise,” J. Acoust. Soc. Am. 114, 2418 (2003).

 

V. W. Sparrow, K. L. Gee, J. M. Downing, and K. J. Plotkin, “Military aircraft noise and nonlinear acoustics,” J. Acoust. Soc. Am. 112, 2214 (2002).

 

K. L. Gee and S. D. Sommerfeldt, “Multi-channel active control of axial cooling fan noise,” J. Acoust. Soc. Am. 111, 2453 (2002).

 

Invited Lectures

 

K. L. Gee, “Nonlinearity in jet noise,” Utah Valley State College, Dept. of Physics Colloquium, April 2006.

 

K. L. Gee, “Sound inflamed: Demonstrations in physical acoustics,” Brigham Young University Dept. of Physics and Astronomy Colloquium, Nov. 2005.

 

K. L. Gee, “Prediction of high-amplitude jet noise propagation,” National Center for Physical Acoustics Seminar, University of Mississippi, March 2005.

 

K. L. Gee, “Prediction of high-amplitude jet noise propagation,” Brigham Young University Dept. of Physics and Astronomy Colloquium, March 2005.

 

K. L. Gee, T. B. Gabrielson, A. A. Atchley, and V. W. Sparrow, “Nonlinear propagation of F/A-18E/F noise,” Penn State Center for Acoustics and Vibration, Radiation and Propagation Group Lecture, April 2004.

 

K. L. Gee, “Active control of cooling fan noise,” Penn State Center for Acoustics and Vibration,  Flow-induced Noise Group Lecture, March 2003.