Effect of ethers and ether/ethanol additives on the physicochemical properties of diesel fuel and on engine tests |
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| Affiliation: | 1. Department of Mechanical Engineering, Graduate School of Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea;2. School of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea;1. Department of Mechanical Engineering, Dev Bhoomi Group of Institutions, Dehradun, India;2. Department of Mechanical Engineering, VNR VJIET, Hyderabad, India;3. Power Engineering and Engineering Thermophysics, Department of Automotive Engineering,Tsinghua University, Beijing, China;4. Institute of Technology, Gopeshwar, Uttarakhand, India;1. Biofuel Engine Research Facility, Queensland University of Technology (QUT), QLD 4000, Australia;2. International Laboratory for Air Quality and Health, Queensland University of Technology (QUT), QLD 4000, Australia;3. School of Engineering, Deakin University, Waurn Ponds, Victoria 3217, Australia |
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| Abstract: | This study evaluates the effect of ether additives (ETBE and TAEE) in diesel and of ether/ethanol/diesel blends on the properties of density, volatility, viscosity, characteristics at cold temperatures, cetane number and performance in engine tests. The formulations were carried out with 5, 10 and 20% v/v of ethyl ter-butyl ether (ETBE) and ter-amyl ethyl ether (TAEE) and with 5, 10 and 20% v/v of ether/ethanol blends (50/50% v/v) starting from a base diesel. The formulations containing up to 5% v/v of TAEE displayed satisfactory results in the evaluation of physicochemical properties and greater efficiency in the engine tests. The results indicate that the ETBE and TAEE ethers act as cosolvents of ethanol in diesel. The presence of ethanol and ETBE significantly alter the characteristics of volatility (flashpoint and distillation curve) and reduce the cetane number, impairing the fuel's performance in engine tests. |
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