William Northrop

Image Unavailable

William Northrop

Associate Professor,
Mechanical Engineering


Mechanical Engineering
Rm 209
111 Church Street SE





Director, Thomas E. Murphy Engine Laboratory

Ph.D., 2009, University of Michigan, Ann Arbor

M.S., 2005, University of Michigan, Ann Arbor

B.S., 1997, Carnegie Mellon University, Pittsburgh, PA

Research Interests
  • Engine emissions and after-treatment.
  • Alternative fuels.
  • Sustainable energy technology.
  • Thermodynamics and efficiency.
  • Combustion processes.
  • Energy and fuel use in developing countries.

Research Group

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



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.