Publications old

2022

  1. G. Faingold, J.K. Lefkowitz, “Plasma reforming for enhanced ammonia-air ignition: a numerical study,” Fuel Communications 12, 100070, 2022.
  2. S. Shen, I. Laso Miqueo, N. Rozin, J.K. Lefkowitz, “On Energy Distribution and Minimum Ignition Power for Ignition of Flowing Mixtures,” Proc. Combust. Inst. (in press).
  3. S. Nath, Iker Laso, L. Mallick, Z. Sobe, S. Koffler, B. Blumer-Ganon, E. Borzin, N. Libis, J.K. Lefkowitz, “Comprehensive Ignition Characterization of a Non-toxic Hypergolic Hybrid Rocket Propellant,” Proc. Combust. Inst. (in press).

2021

  1. G. Faingold, J.K. Lefkowitz, “A Numerical Investigation of NH3/O2/He Ignition Limits in a Non-Thermal Plasma,” Proc. Combust. Inst. 38, 6661-6669, 2021.
  2. K.C. Opacich, T. Ombrello, J.S. Heyne, J.K Lefkowitz, “Analyzing the Ignition Differences Between Conventional, Spark Discharges and Nanosecond-Pulsed High-Frequency Discharges,” Proc. Combust Inst. 38, 6615-6622, 2021.
  3. J.K. Lefkowitz, S.D. Hammack, C. Carter, T. Ombrello, “Elevated OH Production from NPHFD and its Effect on Ignition,” Proc. Combust. Inst. 38, 6671-6678, 2021.
  4. Lydia Wermer, J.K. Lefkowitz, T. Ombrello, S.-K. Im, “Spark and flame kernel interaction with dual-pulse laser-induced spark ignition in a lean premixed methane-air flow,” Energy 215, 119162, 2021.

2020

  1. D. Cuppoletti, T. Ombrello, C. Carter, S. Hammack, J. Lefkowitz, “Ignition Dynamics of a Pulse Detonation Igniter in a Supersonic Cavity Flameholder,” Combust. Flame 215, 376-388, 2020.

2019

  1. R.D. Stachler, J.K. Lefkowitz, J.S. Heyne, S.D. Stouffer, T.M. Ombrello, J.D. Miller, “The impact of residence time on ignitability and time to ignition in a toroidal jet-stirred reactor,” Proc. Combust. Inst. 37, 5039-5046, 2019.
  2. J.M. Bonebrake, D.L. Blunck, J.K. Lefkowitz, T.M. Ombrello, “The Effect of Nanosecond Pulsed High Frequency Discharges on the Temperature Evolution of Ignition Kernels,” Proc. Combust. Inst. 37, 5561-5568, 2019.
  3. L. Wermer, J.K. Lefkowitz, T. Ombrello, S. Im, “Ignition Enhancement by Dual-pulse Laser-induced Spark Ignition in a Lean Premixed Methane-air Flow,” Proc. Combust. Inst. 37, 5604-5612, 2019.
  4. S.F. Adams, J.A. Miles, T. Ombrello, R. Brayfield, J. Lefkowitz, “The Effect of Inter-Pulse Coupling on Gas Temperature in Nanosecond-Pulsed High-Frequency Discharges,” J. Phys. D Appl. Phys. 52, 355203, 2019.

2018

  1. L. Wermer, J.K. Lefkowitz, T. Ombrello, M.S. Bak, S. Im, “Spatiotemporal Evolution of the Plasma from Dual-pulsed Laser-induced Breakdown in an Atmospheric Air”, Plasma Sources Sci. Technol. 27, 015012, 2018.
  2. J.K. Lefkowitz, T. Ombrello, “Reduction of Flame Development Time in Nanosecond Pulsed High Frequency Discharge Ignition of Flowing Mixtures,” Combust. Flame 193, 471-480, 2018.