Abstract
This paper presents a new approach to the formulation of fuel surrogates in application to gasoline, diesel, and their biofuel blends (including blends of biodiesel/diesel and ethanol/gasoline). This new approach, described as a ‘Complex Fuel Surrogates Model (CFSM)’, is based on a modified version of the Multi-Dimensional Quasi-Discrete Model (MDQDM). The new approach is aimed to reduce the full composition of fuel to a much smaller number of components based on their mass fractions to formulate fuel surrogates. The formulated surrogates for gasoline and blended ethanol/gasoline fuels matched the data of the full compositions of the same fuels for droplet lifetime, surface temperature, density, vapour pressure, H/C ratio, molar weight and research octane number, using the CFSM. Also, the cetane number and viscosity of diesel and biodiesel/diesel blends were mimicked by their suggested surrogates. The results were verified, with up to 7.2% errors between the two sets of predicted droplet lifetimes: surrogates and full compositions of fuels.
Original language | English |
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Article number | 118923 |
Number of pages | 9 |
Journal | Fuel |
Volume | 283 |
Early online date | 14 Aug 2020 |
DOIs | |
Publication status | Published - 1 Jan 2021 |
Keywords
- Biodiesel
- Combustion
- Diesel
- Ethanol
- Fuel surrogates
- Gasoline
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Dr Nawar Al-Esawi
- University of Northampton, Technology - Senior Lecturer in Mechanical Engineering
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