William Northrop

Northdrop headshot 2021

William Northrop

Professor, Mechanical Engineering


Mechanical Engineering
Room 205
111 Church Street SE
Minneapolis, MN 55455


Director, Thomas E. Murphy Engine Laboratory


Ph.D., 2009, Mechanical Engineering, University of Michigan
M.S., 2005, Mechanical Engineering, University of Michigan
B.S., 1997, Mechanical Engineering, Carnegie Mellon University

Professional Background

Associate Professor, Mechanical Engineering, University of Minnesota, 2017-present
Richard and Barbara Nelson Assistant Professor, Mechanical Engineering, University of Minnesota, 2011-2017
Richard and Barbara Nelson Assistant Professor, Mechanical Engineering, University of Minnesota, 2011-2017

Scientific & Professional Societies

  • Central States Section of the Combustion Institute
  • American Society of Mechanical Engineers, Internal Combustion Engines Division
  • Society of Automotive Engineers
  • Transportation Research Board


Thomas E Murphy Engine Lab (MERL)  - 2811 Weeks Ave SE, Minneapolis, MN 55414

ME Research Areas
Combustion & Engines
Particle Technology

ME Impact Areas
Energy Transition
Environment & Sustainability

Research Interests
  • Engine emissions and after-treatment.
  • Alternative fuels.
  • Sustainable energy technology.
  • Thermodynamics and efficiency.
  • Combustion processes.
  • Energy and fuel use in developing countries.
Teaching Subjects
ME 3331: Introduction to Thermal Sciences I
ME 5446: Introduction to Combustion
ME 8446: Advanced Combustion
ME 4431: Energy Conversion Laboratory

Honors and Awards

McKnight Land Grant Professorship, University of Minnesota, 2015
Center for Transportation Studies Scholar, University of Minnesota, 2013
Fulbright Scholars Award, Spain, 2019
SAE Engineering Events Outstanding Oral Presentation Award, 2019
Society of Automotive Engineers, Harry L. Horning Award, 2018
Society of Automotive Engineers, Ralph Teetor Award, 2016
Society of Automotive Engineers, Forest McFarland Award, 2016
NSF CAREER Award, Combustion Fire and Plasma Systems, 2014
Engineering Graduate Symposium Competition 1st Prize, University of Michigan, 2008

Selected Publications

  • Storey, J.M., Curran, S.J., Lewis, S.A., Barone, T.L., Hanson, R.M., Moses-DeBusk, M., Prikhodko, V.Y. and Northrop, W.F., (2016) Physio-Chemical Characterization of Particulate Matter from a Reactivity Controlled Compression-Ignition Combustion on a Multi-Cylinder Light-Duty Engine. International Journal of Engine Research, August 4, 1468087416661637, 1-15.
  • Lin, Y., Northrop, W.F., and Li, X., (2016) Markov Chain Solution of Photon Multiple Scattering Through Turbid Slabs, Optics Express, 24(23), 26942-26947.
  • Wolk, B., Ekoto, I., Northrop, W.F., Moshamer, K. and Hansen, N. (2016) Detailed Speciation and Reactivity Characterization of Fuel-Specific In-Cylinder Reforming Products and the Associated Impact on Engine Performance, Fuel, 185, 348-361.
  • Nord, A.J., Hwang J.T., and Northrop W.F. (2016). Emissions From a Diesel Engine Operating in a Dual-Fuel Mode Using Port-Fuel Injection of Heated Hydrous Ethanol. Journal of Energy Resource Technology 139(2), 1–11.
  • Kotz, A., Kittelson, D. and Northrop, W.F. (2016) Lagrangian Hotspots of In-Use NOX Emissions from Transit Buses, Environmental Science and Technology, 50, 5750-5756.

Google Scholar Profile