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Exergy Analysis of Different Blends of Hydrogen and Octane for Combustion Conditions of Internal Combustion Engine

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In this paper, exergy analysis was performed under both complete and partial incomplete combustion conditions for stoichiometric ( = 1) fuel/air mixture ratios including different mole blends of octane and hydrogen in an internal combustion engine. In exergy analysis, temperature and pressure of exhaust gases was accepted as 500 °C and 1 atm respectively, and temperature and pressure of ambient as reference conditions was taken 25 °C, 1 atm respectively. 1 kmol fuel that consist different mole blends of octane and hydrogen was taken as total fuel amount. As the mole fuel blends were being prepared, the reduction in the amount of octane as percent in the mixture were completed with % hydrogen as percent, and the total fuel amount for each mixture rates was completed to 100%. From the results, it is observed that the exergetic efficiency is approximately 26% for 1 kmol of fuel containing 100% octane, while approximately 30% for 1 kmol of fuel containing 100% hydrogen. The exergetic efficiency for other hydrogen and octane fuel blends is varied in a parabolic structure between these values for both chemical reactions (complete and partial incomplete combustion).
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Keywords: COMPLETE AND PARTIAL INCOMPLETE COMBUSTION; EXERGY ANALYSIS; INTERNAL COMBUSTION ENGINE; STOICHIOMETRIC FUEL/AIR MIXTURE; VOLUMETRICALLY BLENDS OF OCTANE AND HYDROGEN

Document Type: Research Article

Publication date: November 1, 2018

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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