Farzad Poursadegh

Extending the knock limits of hydrogen DI ICE using water injection

J Mortimer, F Poursadegh, M Brear, S Yoannidis, J Lacey, Y Yang

Journal article  |  2023  |  Fuel

This paper presents an experimental and numerical study of a directly-injected, spark ignited, heavy-duty, hydrogen-fuelled engine..

Numerical investigation of a large bore, direct injection, spark ignition, hydrogen-fuelled engine

MohammadReza Yosri, Rahul Palulli, Mohsen Talei, Joel Mortimer, Farzad Poursadegh, Yi Yang, Michael Brear

Journal article  |  2023  |  International Journal of Hydrogen Energy

Autoignition, knock, detonation and the octane rating of hydrogen

Farzad Poursadegh, Michael Brear, Barnaby Hayward, Yi Yang

Journal article  |  2023  |  FUEL

This paper presents an experimental and numerical study of hydrogen's combustion, autoignition and octane rating. The experiments ..

Flash vaporization of propane in an optically accessible, directly injected engine

J Lacey, H Aditiya, F Poursadegh, M Brear, R Gordon, C Lakey, B Butcher, S Ryan

Journal article  |  2021  |  International Journal of Engine Research

This article presents an experimental and thermodynamic analysis of the direct injection of propane in an optically accessible var..

IMAGING NEAR-NOZZLE SURFACE STRUCTURES IN DIESEL SPRAYS WITH MICROSCOPIC DIFFUSE BACKLIT ILLUMINATION

Kenneth F Maassen, Farzad Poursadegh, Caroline L Genzale

Journal article  |  2021  |  ATOMIZATION AND SPRAYS

An experimental and numerical study of a hydrogen fueled, directly injected, heavy duty engine at knock-limited conditions

J Mortimer, S Yoannidis, F Poursadegh, Z Lu, M Brear, Y Yang, D Etherington, M Heijkoop, J Lacey

Conference Proceedings  |  2021  |  ASME 2020 Internal Combustion Engine Division Fall Technical Conference, ICEF 2020

This paper presents an experimental and numerical study of a directly injected, spark-ignited (DI SI), heavy duty hydrogen fueled ..

A multi-wavelength extinction imaging diagnostic for quantifying diesel spray mixing at engine-relevant conditions

C Godbold, F Poursadegh, O Bibik, C de la Camara Castillo, C Genzale

Conference Proceedings  |  2021  |  ASME 2020 Internal Combustion Engine Division Fall Technical Conference, ICEF 2020

The mixing of fuel and air in the combustion chamber of an IC engine is crucial to emissions formation. Therefore, developing effe..

Measurement of air-fuel mixing in a diesel spray at engine relevant conditions using UV-VIS DBI diagnostic

C Godbold, F Poursadegh, O Bibik, C Genzale

Conference Proceedings  |  2021  |  Proceedings of ASME 2021 Internal Combustion Engine Division Fall Technical Conference, ICEF 2021

Due to the non-premixed nature of diesel combustion, mixing prior to the reaction zone has proven to be one of the primary factors..

Large-eddy simulation of hydrogen combustion: Impact of Soret effect

Muhammad Umair Manzoor, Mohammad Reza Yosri, Farzad Poursadegh, Mohsen Talei, Yi Yang, Michael J.

Conference Proceedings  |  2020  |  Australasian Fluid Mechanics Conference (AFMC)

Spectral Microscopy Imaging System for High-Resolution and High-Speed Imaging of Fuel Sprays

Ken Maassen, Farzad Poursadegh, Caroline Genzale

Journal article  |  2020  |  Journal of Engineering for Gas Turbines and Power: Transactions of the ASME

Modern high-efficiency engines utilize direct injection for charge preparation at extremely high pressures. At these conditions, t..