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Mechanical and Nuclear Engineering

LTC (Ret.) Stephen McHale, Ph.D.

Associate Professor
Mechanical & Nuclear Engineering Department
United States Naval Academy
590 Holloway Road
Annapolis, MD 21402-5042
(410) 293-6495
mchale@usna.edu

EDUCATION

Air Force Institute of Technology, 2011
Doctor of Philosophy, Nuclear Engineering
Dissertation: "The Effects of Rare Earth Doping on Gallium Nitride Thin Films"

Air Force Institute of Technology, 2006
Masters of Science, Nuclear Engineering

United States Military Academy, 1994
Bachelors of Science, Engineering Physics

RESEARCH AREAS
Radiation transport, shielding, and dosimetry
Nuclear weapon effects
Monte Carlo methods
PROFESSIONAL EXPERIENCE
  • Associate Professor, U.S. Naval Academy (Aug. 2021 – Present)
  • Assistant Professor, U.S. Naval Academy (Aug. 2016 – Aug. 2021)
  • Assistant Professor, Air Force Institute of Technology (Sep. 2011 – Jul. 2015)
  • Nuclear and Counterproliferation Officer, U.S. Army (Jan. 2004 – 2017)
  • Field Artillery Officer, U.S. Army (May 1994 – Jan. 2004)
RECENT PUBLICATIONS
  • S.R. McHale, M.M. Millett, and M.I. Prince (USNA ’21), "Impact of the ENDF/B-VIII.0 library on MCNP6.2-computed ambient and personal dose equivalent conversion coefficients," Radiation Protection Dosimetry, 199(1), 35–43, 2022. https://doi.org/10.1093/rpd/ncac219
  • S.R. McHale and E.R. Walker (USNA ’20), “Dose conversion coefficients from monoenergetic neutrons computed with the MCNP6.2 code in the VIP-Man phantom," Radiation Protection Dosimetry, 193(2), 105–123, 2021. https://doi.org/10.1093/rpd/ncab026
  • S.R. McHale, A.W. Decker, B.K. Huff, "Application of the MCNP6.1 code to estimate the directional dependence of radiation protection factor (RPF) values for a simple surrogate vehicle," Radiation Protection Dosimetry, 189(1), 89–97, 2020. https://doi.org/10.1093/rpd/ncaa017
  • S.R. McHale and A.W. Decker, "Estimating radiation protection factor (RPF) values for a simple surrogate vehicle using the MCNP6.1 code," Applied Radiation and Isotopes, 153, 108825, 2019. https://doi.org/10.1016/j.apradiso.2019.108825
  • A.W. Decker, S.A. Heider, M. Millett, S.R. McHale, J.A. Clinton, J.W. McClory, "Verification and Validation of MCNP6.1 neutron protection factor estimates of an armored vehicle surrogate using the White Sands Missile Range Fast Burst Reactor," Journal of Radiation Effects, Research and Engineering, 36(1), 65–70, 2018.
  • M.L. Gettings, J.W. McClory, S.R. McHale, B.R. Kowash, "Estimating apparent surface temperature of Wasp Prime using digitized nuclear fireball films," Journal of Radiation Effects, Research and Engineering, 35(1), 76–86, 2017.
  • D.A. Matters, A.G. Lerch, A.M. Hurst, L. Szentmiklosi, J.J. Carroll, B. Detwiler, Zs. Revay, J.W. McClory, S.R. McHale, R.B. Firestone, B.W. Sleaford, M. Krtivcka, T. Belgya, "Investigation of Re-186 via radiative thermal-neutron capture on Re-185," Physical Review C, 93, 2016. https://doi.org/10.1103/PhysRevC.93.054319.
  • T.P. Genda, J.W. McClory, B.R. Kowash, S.R. McHale, J.A. Clinton, "Optimization of detector placement for high energy photon interrogation of special nuclear material," Journal of Radiation Effects, Research and Engineering, 33(1-E), 130–140, 2015.
  • C.L. Dugan, R.L. Hengehold, S.R. McHale, J.A. Colon Santana, J.W. McClory, V.T. Adamiv, Ya. V. Burak, Ya. B. Losovyj, P.A. Dowben, "Reversible Mn segregation at the polar surface of lithium tetraborate," Applied Physics Letters, 102, 161602, 2013.
  • J.A. Colon Santana, P. Liu, X. Wang, J. Tang, S.R. McHale, D. Wooten, J.W. McClory, J.C. Petrosky, J. Wu, R. Palai, Ya. B. Losovyj, P.A. Dowben, “The local metallicity of gadolinium doped compound semiconductors,” Journal of Physics - Condensed Matter, 24(44), 445801, 2012.
  • S.R. McHale, J.W. McClory, J.C. Petrosky, J. Wu, A. Rivera, R. Palai, Ya. B. Losovyj, P.A. Dowben, "Resonant photoemission of rare earth doped GaN thin films," European Physical Journal - Applied Physics, 56(1), 11301, 2011.
  • S.R. McHale, J.W. McClory, J.C. Petrosky, J. Wu, A. Rivera, R. Palai, Ya. B. Losovyj, P.A. Dowben, "Schottky barrier formation at the Au to rare earth doped GaN thin film interface," European Physical Journal - Applied Physics, 55(3), 31301, 2011.
  • S.R. McHale, J.W. McClory, J.C. Petrosky, J. Wu, R. Palai, P.A. Dowben, I. Ketsman, "The effective surface Debye temperature of Yb:GaN," Materials Letters, 65(10), 1476-1478, 2011.
AWARDS
Southwest Ohio Council for Higher Education Excellence in Teaching Award, 2014
AFIT Instructor of the Year (Dr. Leslie M. Norton Teaching Excellence Award), 2013
PROFESSIONAL MEMBERSHIP
American Nuclear Society
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