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首页> 外文期刊>International Journal of Engineering Research and Applications >Performance and Emission Analysis of a DI Diesel Engine Fueled with Blends of Ethanol and Methanol in Biodiesel-Diesel-EHN using EGR
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Performance and Emission Analysis of a DI Diesel Engine Fueled with Blends of Ethanol and Methanol in Biodiesel-Diesel-EHN using EGR

机译：使用EGR的生物柴油-柴油-EHN中乙醇和甲醇混合燃料驱动的DI柴油机的性能和排放分析

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摘要

This study investigates the performance (BTE and BSEC) and emissions (CO, HC, NOx and smoke) of biodiesel-diesel blends of B20, B50 and B100 mixed with methanol and ethanol at 5% and 10% v/v, and 1% 2- ethylhexyl nitrate (EHN). The blends were tested under two conditions (without EGR and with EGR), on a twin-cylinder HATZ 2G40 light-duty direct injection (DI) diesel engine at 3000 rpm at different load conditions (low load: 20%, medium load: 50%, and high load: 80%). Although methanol and ethanol helped reduce the biodiesel's viscosity, increasing the amount of methanol and ethanol also decreased the biodiesel's cetane number (CN). Therefore, to overcome this issue, the use of an additive EHN was used as a CN improver to reduce ignition delay and soot formation. The performance and emission results with blends of ethanol and methanol in biodiesel-diesel-EHN were compared to that of base fuels (B0, B20, B50 and B100).
机译：这项研究调查了以5％和10％v / v和1％混合甲醇和乙醇的B20，B50和B100生物柴油-柴油混合物的性能（BTE和BSEC）和排放物（CO，HC，NOx和烟气）硝酸2-乙基己酯（EHN）。在双缸HATZ 2G40轻型直喷（DI）柴油发动机上以3000 rpm在不同负载条件下（低负载：20％，中负载：50）在两种条件下（无EGR和有EGR）对掺混物进行了测试。 ％，高负载：80％）。尽管甲醇和乙醇有助于降低生物柴油的粘度，但是增加甲醇和乙醇的量也会降低生物柴油的十六烷值（CN）。因此，为了克服该问题，使用添加剂EHN作为CN改进剂以减少点火延迟和烟灰形成。将乙醇和甲醇共混物在生物柴油-柴油-EHN中的性能和排放结果与基础燃料（B0，B20，B50和B100）进行了比较。

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