Abstract
Naphtha is a product obtained in the gasoline boiling range from different refinery components. Because naphtha is a less processed product of a refinery, its well-to-tank CO2 is lower than that of conventional gasoline or diesel. In addition, naphtha features a longer ignition delay than that of diesel fuel and better auto-ignition characteristics than those of gasoline fuel. Therefore, naphtha has gained significant attention as a fuel suitable for advanced combustion strategies that exhibit a substantial potential in improving the thermal efficiency and reducing exhaust gas emissions. Moreover, using naphtha for engines can reduce imbalanced gasoline and diesel fuels, compared with the proportions of a typical barrel of crude oil. As mentioned previously, naphtha is an attractive fuel for internal combustion engines because of its lower refining costs and CO2, suitability for advanced combustion strategies, and it is a solution for gasoline and diesel imbalance. Therefore, this study focuses on the application of naphtha to internal combustion engines. First, early naphtha studies and a naphtha engine are introduced. Subsequently, advanced combustion strategies based on naphtha are discussed, and few other studies based on naphtha are introduced. Simulation models for predicting the characteristics of naphtha are also considered.
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Abbreviations
- aTDC:
-
after top dead center
- BMEP:
-
break mean effective pressure
- CA:
-
crank angle
- CA10:
-
10 % burn location
- CA50:
-
50 % burn location
- CAD:
-
crank angle degree
- CFD:
-
computational fluid dynamics
- CI:
-
compression ignition
- CR:
-
compression ratio
- CSL:
-
combustion sound level
- DCN:
-
derived cetane number
- EGR:
-
exhaust gas recirculation
- ETBE:
-
ethyl tertiary-butyl ether
- FTP:
-
federal test procedure
- GCI:
-
gasoline compression ignition
- GDI:
-
gasoline direct injection
- GHG:
-
greenhouse gas
- HCCI:
-
homogeneous charge compression ignition
- HFR:
-
hydraulic flow rate
- HN:
-
heavy naphtha
- HSRN:
-
Haltermann straight run naphtha
- LHV:
-
lower heating value
- LN:
-
light naphtha
- MON:
-
motor octane number
- MTBE:
-
methyl tertiary-butyl ether
- NEDC:
-
new European driving cycle
- NMEP:
-
net indicated mean effective pressure
- PM:
-
particulate matters
- PPCI:
-
partially premixed compression ignition
- PRF:
-
primary reference fuel
- RCM:
-
rapid compression machine
- RON:
-
research octane number
- SALN:
-
Saudi Aramco light naphtha
- SI:
-
spark ignition
- SOI:
-
start of injection
- TPRF:
-
toluene primary reference fuel
- TTW:
-
tank to wheel
- WLTC:
-
worldwide harmonized light vehicles test cycle
- WTT:
-
well to tank
- WTW:
-
well to wheel
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Acknowledgement
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1G1A1098996).
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Park, W. Naphtha as a Fuel for Internal Combustion Engines. Int.J Automot. Technol. 22, 1119–1133 (2021). https://doi.org/10.1007/s12239-021-0100-9
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DOI: https://doi.org/10.1007/s12239-021-0100-9