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 …

Experiment and analysis on the spray characteristics of diesel/polyoxymethylene dimethyl ethers (PODE)/ethanol blends in non-reacting environment

Y Liu, J Tian, F Li, L Bao, K Han, Q Lin - Experimental Thermal and Fluid …, 2022 - Elsevier
Polyoxymethylene dimethyl ethers (PODE) and ethanol are both potential alternative fuels,
and PODE can be used as a cosolvent for diesel/ethanol blends. The spray and fuel–air …

Effects of full transient Injection Rate and Initial Spray Trajectory Angle profiles on the CFD simulation of evaporating diesel sprays-comparison between singlehole …

SC Ray, K Nishida, V McDonell, Y Ogata - Energy, 2023 - Elsevier
This paper investigates experimental and computational diesel sprays of single hole and
multi hole injectors under vaporizing conditions. Two single hole and two ten-hole injectors …

Spray-evaporation characteristics of n-pentanol/n-dodecane binary fuel at ultra-high injection pressure

W Zhong, X Huang, H Guo, NM Mahmoud, F Yan… - Renewable Energy, 2023 - Elsevier
The spray and evaporation characteristics of the fuel directly affect the combustion and
emission performance of the engine. In this work, the atomization and evaporation …

Study on the performance of diesel-methanol diffusion combustion with dual-direct injection system on a high-speed light-duty engine

Y Wang, G Xiao, B Li, H Tian, X Leng, D Dong, W Long - Fuel, 2022 - Elsevier
To investigate the high methanol substitution ratio (MSR) combustion performance of diesel-
methanol diffusion combustion (DMDC) mode, the engine experiments were conducted …

Experimental characterization on injection and spray of coal-derived liquid fuel

Z Lyu, X Tang, H Zhang, X Qiao, Z Jin, L Shi - Energy, 2024 - Elsevier
Coal-derived liquid fuels (CDLs) are petroleum diesel's (PD) alternatives produced by coal
liquefaction. The injection and non-evaporating spray characteristics of CDLs, including …

Characterization of diesel spray combustion using two-color pyrometry and OH∗ chemiluminescence imaging-comparison between micro-hole and ultra-high …

C Zhai, G Zhang, Y Jin, K Nishida, Y Ogata… - Journal of the Energy …, 2022 - Elsevier
Increasing the injection pressure and reducing the hole diameter are development
directions for future diesel engines. In this study, the effects of increasing the injection …

Similarity and normalization study of fuel spray and combustion under ultra-high injection pressure and micro-hole diameter conditions–spray characteristics

C Zhai, E Liu, G Zhang, W Xing, F Chang, Y Jin, H Luo… - Energy, 2024 - Elsevier
The compression-ignition engine has been widely applied in various fields due to its high
efficiency, fuel economy, and adaptability. With the increasing awareness of environmental …

Characteristics of wall-jet vortex development during fuel spray impinging on flat-wall under cross-flow conditions

G Zhang, Z Si, C Zhai, H Luo, Y Ogata, K Nishida - Fuel, 2022 - Elsevier
Spray wall-impingement is unavoidable in direct-injection spark-ignition engines, and it
affects the formation and combustion process of the mixture, resulting in significant …

Experimental study on diesel spray flame and wall heat transfer of two-dimensional combustion chamber: effect of common rail pressure

HS Hadi, C Fan, A Takayama, K Nishida… - Applied Thermal …, 2024 - Elsevier
Reducing the heat transfer occurring during the spray combustion of diesel engines remains
a challenging task. This study investigated the spray flame behaviour, wall heat flux, and …