Michael Brear

Least-cost pathways to net-zero, coupled energy systems: A case study in Australia

Y Zhang, D Davis, MJ Brear

Journal article  |  2023  |  Journal of Cleaner Production

This paper investigates the least-cost greenhouse gas (GHG) abatement pathway for a coupled energy system. We consider the roles o..

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..

Large-eddy simulation of a natural gas direct injection spark ignition engine with different injection timings

MR Yosri, T Kar, M Talei, RL Gordon, MJ Brear, M Khosravi

Journal article  |  2023  |  Fuel

This paper presents a large-eddy simulation (LES) study of a compressed natural gas (CNG) direct injection spark ignition (DISI) e..

The significance of octane numbers to hybrid electric vehicles with turbocharged direct injection engines

Zhenbiao Zhou, Yi Yang, Michael Brear, Tanmay Kar, Thomas Leone, James Anderson, Michael Shelby, Joshua Lacey

Journal article  |  2023  |  FUEL

Hybrid powertrains reduce engine operation time at light loads where the engine is less efficient. For spark-ignition engines, thi..

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 ..

Optimisation and analysis of battery storage integrated into a wind power plant participating in a wholesale electricity market with energy and ancillary services

Mostafa Naemi, Dominic Davis, Michael J Brear

Journal article  |  2022  |  JOURNAL OF CLEANER PRODUCTION

This paper examines the optimal performance of a wind farm and an integrated battery storage system in a wholesale electricity mar..

Decarbonising Australia's National Electricity Market and the role of firm, low-carbon technologies

Dominic Davis, Michael J Brear

Journal article  |  2022  |  JOURNAL OF CLEANER PRODUCTION

Many of the world's electricity systems are decarbonising, driven in most cases by the deployment of variable renewable energy tec..

The role of hydrogen in decarbonizing a coupled energy system

Yimin Zhang, Dominic Davis, Michael JJ Brear

Journal article  |  2022  |  JOURNAL OF CLEANER PRODUCTION

This paper examines the decarbonization of three coupled energy sectors: electricity, transport and heating/industry. The sector c..

Impact of unit commitment and RoCoF constraints on revenue sufficiency in decarbonising wholesale electricity markets

Daniel Marshman, Michael Brear, Brendan Ring

Journal article  |  2022  |  ENERGY ECONOMICS

This paper examines the impact of unit commitment (UC) and rate of change of frequency (RoCoF) constraints on the performance and ..