Improving thermal efficiency of internal combustion engines: recent progress and remaining challenges

RY Dahham, H Wei, J Pan - Energies, 2022 - mdpi.com
Improving thermal efficiency and reducing carbon emissions are the permanent themes for
internal combustion (IC) engines. In the past decades, various advanced strategies have …

A comparative study of recent advancements in the field of variable compression ratio engine technology

S Asthana, S Bansal, S Jaggi, N Kumar - 2016 - sae.org
The Automobile industry is under great stress due to greenhouse gas emissions and health
impacts of pollutants. The rapid decrease of fossil fuels has promoted the development of …

Experimental and numerical research on the performance characteristics of OPLVCR engine based on the NSGA II algorithm using digital twins

J Guan, Y Li, J Liu, X Duan, D Shen, D Jia… - Energy Conversion and …, 2021 - Elsevier
In order to optimize the fuel consumption and NOx emissions of engine and develop the
general simulation–optimization platform on the performance and emissions of engine, this …

Active motion control of a hydraulic free piston engine

K Li, A Sadighi, Z Sun - IEEE/ASME Transactions on …, 2013 - ieeexplore.ieee.org
The free piston engine (FPE), as an alternative of the conventional internal combustion
engine, could significantly impact the energy consumption and emissions of both on …

Experimental investigation of a variable compression ratio system applied to a gasoline passenger car engine

K Wittek, F Geiger, J Andert, M Martins, V Cogo… - Energy Conversion and …, 2019 - Elsevier
Gasoline spark-ignited internal combustion engines for passenger cars are still a major part
of the worldwide market share. With legislation pushing towards a lower carbon footprint …

Research on improving thermal efficiency through variable super-high expansion ratio cycle

D Akihisa, S Daisaku - 2010 - sae.org
The compression ratio and expansion ratio are fundamental parameters that determine the
thermal efficiency of an SI engine, and the potential of setting these ratios to arbitrary values …

Exploring the advantages of Atkinson effects in variable compression ratio turbo GDI engines

A Boretti, J Scalzo - 2011 - sae.org
The Atkinson cycle engine is basically an engine permitting the strokes to be different
lengths for improved light loads fuel economies. Variable compression ratio is the …

Kinematics modeling of the gear-based crank mechanism engine regardless of the compressions ratio variations

A Sakhraoui, M Saggar, F Ayari, R Nasri - Scientific Reports, 2024 - nature.com
In this work, geometric and kinematic modeling of the gear-based crank mechanism engine
(GBCM) was performed. To this aim, a mechanical approach based on projective …

Potential benefits in heavy duty diesel engine performance and emissions from the use of variable compression ratio

DT Hountalas, TC Zannis, GC Mavropoulos - 2006 - sae.org
Worldwide demand for reduction of automotive fuel consumption and carbon dioxide
emissions results in the introduction of new diesel engine technologies. A promising …

[PDF][PDF] Improving Thermal Efficiency of Internal Combustion Engines: Recent Progress and Remaining Challenges. Energies 2022, 15, 6222

RY Dahham, H Wei, J Pan - 2022 - researchgate.net
Improving thermal efficiency and reducing carbon emissions are the permanent themes for
internal combustion (IC) engines. In the past decades, various advanced strategies have …