This work investigates the laminar flame speed, SN, of gas-to-liquid (GTL) fuel and its 50–50% by volume blends with conventional diesel, in a cylindrical bomb capable of measuring SN at different initial temperatures and equivalence ratios at ambient pressure. SN was measured by analysing the pressure signals after combustion detected by a pressure transducer mounted on the bomb. Direct visualization has also been conducted to observe the ignition and flame propagation. It was found that pure GTL fuel has the highest SN near stoichiometric conditions, which is about 88.3 cm/s. However, at lean and rich mixtures, SN of GTL is slightly lower than that of the conventional diesel. The blended fuel has the lowest SN at lean and rich mixture conditions comparing with those of GTL and diesel fuels. Studying the effect of increasing the initial temperature on SN revealed that SN of the three tested fuels increases with the increase in the initial temperature almost linearly. However, the blended fuel has the lowest SN at the highest temperature, about 89.7 cm/s at 250 °C.
Measurements of Laminar Flame Speeds of Gas-to-Liquid-Diesel Fuel Blends
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received April 10, 2016; final manuscript received May 8, 2016; published online June 14, 2016. Editor: Hameed Metghalchi.
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Samim, S., Sadeq, A. M., and Ahmed, S. F. (June 14, 2016). "Measurements of Laminar Flame Speeds of Gas-to-Liquid-Diesel Fuel Blends." ASME. J. Energy Resour. Technol. September 2016; 138(5): 052213. https://doi.org/10.1115/1.4033627
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