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 …

Comparative study of the combustion, performance, and emission characteristics of a direct injection diesel engine with a partially premixed lean charge compression …

EA El Shenawy, M Elkelawy, HAE Bastawissi… - Fuel, 2019 - Elsevier
Abstract Partially Premixed Lean Charge Compression Ignition (PPLCCI) Diesel Engines
combustion is skilled for diminishing the NOx and PM emissions outflow all the while staying …

Homogeneous charge compression ignition (HCCI) and partially premixed combustion (PPC) in compression ignition engine with low octane gasoline

Y An, M Jaasim, V Raman, FEH Pérez, J Sim, J Chang… - Energy, 2018 - Elsevier
The present study investigated the in-cylinder combustion for low octane 70 primary
reference fuel (PRF70) by the method of the flame index during the transition from …

Naphtha vs. dieseline–The effect of fuel properties on combustion homogeneity in transition from CI combustion towards HCCI

R Vallinayagam, Y An, S Vedharaj, J Sim, J Chang… - Fuel, 2018 - Elsevier
The scope of this research study pertains to compare the combustion and emission behavior
between naphtha and dieseline at different combustion modes. In this study, US dieseline …

Compression ignition of low octane gasoline under partially premixed combustion mode

Y An, MJM Ali, R Vallinayagam, A AlRamadan, J Sim… - 2018 - sae.org
Partially premixed combustion (PPC) is an operating mode that lies between the
conventional compression ignition (CI) mode and homogeneous charge compression …

CFD-based Data-driven Modeling of Reactivity and Stratification Dynamics for RCCI Engine Control

BK Irdmousa, JD Naber, M Shahbakhti - IFAC-PapersOnLine, 2023 - Elsevier
Abstract Reactivity Controlled Compression Ignition (RCCI) is a Low-Temperature
Combustion (LTC) regime that provides thermal efficiency and emissions benefits compared …

[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 …

The relevance of different fuel indices to describe autoignition behaviour of gasoline in light duty DICI engine under PPC mode

A Aziz, C Li, S Verhelst, M Tuner - 2019 - sae.org
Partially premixed combustion (PPC) with gasoline fuels is a new promising combustion
concept for future internal combustion engines. However, many researchers have argued …

Low Load Limit Extension for Gasoline Compression Ignition Using Negative Valve Overlap Strategy

Gasoline compression ignition (GCI) is widely studied for the benefits of simultaneous
reduction in nitrogen oxide (NOX) and soot emissions without compromising the engine …

Investigation of Premixed and Diffusion Flames in PPC and CI Combustion Modes

The experimental in-cylinder combustion process was compared with the numerical
simualtion for naphtha fuel under conventional compression ignition (CI) and partially …