Expander technologies for automotive engine organic rankine cycle applications

F Alshammari, A Karvountzis-Kontakiotis, A Pesyridis… - Energies, 2018 - mdpi.com
The strive towards ever increasing automotive engine efficiencies for both diesel and
gasoline engines has in recent years been forced by ever-stringent emissions regulations …

[HTML][HTML] Electric boosting and energy recovery systems for engine downsizing

M Alshammari, F Alshammari, A Pesyridis - Energies, 2019 - mdpi.com
Due to the increasing demand for better fuel economy and increasingly stringent emissions
regulations, engine manufacturers have paid attention towards engine downsizing as the …

Off-design performance prediction of radial turbines operating with ideal and real working fluids

F Alshammari, A Karvountzis-Kontakiotis… - Energy Conversion and …, 2018 - Elsevier
This paper outlines a novel meanline off-design model to predict the performance
characteristics of a radial inflow turbine that operates with ideal and real working fluids …

Design of the organic Rankine cycle for high-efficiency diesel engines in marine applications

A Pesyridis, MS Asif, S Mehranfar… - Energies, 2023 - mdpi.com
Over the past few years, fuel prices have increased dramatically, and emissions regulations
have become stricter in maritime applications. In order to take these factors into …

[HTML][HTML] Organic rankine cycle waste heat recovery for passenger hybrid electric vehicles

WR Bin Wan Ramli, A Pesyridis, D Gohil, F Alshammari - Energies, 2020 - mdpi.com
Electrification of road transport is a major step to solve the air quality problem and general
environmental impact caused by the still widespread use of fossil fuels. At the same time …

Radial expander design for an engine organic rankine cycle waste heat recovery system

F Alshammari, A Karvountzis-Kontakiotis, A Pesiridis… - Energy Procedia, 2017 - Elsevier
It is commonly accepted that waste heat recovery technologies are significant contenders in
future powertrain thermal management to further minimize fuel consumption and CO 2 …

Dynamic modeling and optimization of an ORC unit equipped with plate heat exchangers and turbomachines

M Marchionni, G Bianchi, A Karvountzis-Kontakiotis… - Energy Procedia, 2017 - Elsevier
Nowadays environmental concerns call for a transition towards an economy based on fossil
fuels to a low carbon one. In order to achieve this goal, efficiency optimization of existing …