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Combined effect of fuel injecting timing and nozzle opening pressure of a biogas-biodiesel fuelled diesel engine

机译：沼气喷射正时序和喷嘴开启压力的综合作用 - 生物柴油燃料柴油发动机

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摘要

Currently reduce, reuse and recycle are the three attractive options for minimizing the disposal of solid waste generated in the world; and reducing the environmental pollution. Spent tea waste (STW) and waste cooking oil (WCO) are the two different organic wastes which are disposed into open land after their usage. A continuous accumulation of these wastes may increase anthropogenic activity and result in an increase in methane concentration into the atmosphere. Previous research works report that, biogas can be obtained from STW by anaerobic digestion and biodiesel can be produced from WCO by the transesterification processes. In this research work, an attempt was made to explore the possibility of using biodiesel from WCO and biogas obtained from STW as fuels to operate a compression ignition (CI) engine on a dual fuel mode (DFM). The feed stocks WCO and STW were collected from restaurants, and hostels situated in an educational institute. For experimentation, a 4.4 kW, single cylinder, naturally aspirated, DI diesel engine run at a constant speed of 1500 rpm was converted into a DFM to operate on biodiesel-biogas. Experiments were conducted in the DFM test engine to assess the performance, emission and combustion parameters when the dual fuel engine was operated to run on three different mass flow rates of biogas, three different injection timings, and three different nozzle opening pressures. The results obtained from the experimentation were analysed, compared with the diesel operation and presented in this paper.
机译：目前还原，重用和再循环是最小化世界生成的固体废物处理的三种有吸引力的选择;并减少环境污染。花茶垃圾（STW）和废物食用油（WCO）是两种不同的有机废物，在它们使用后在开放的土地上设置。这些废物的连续积累可能增加人为活性，并导致甲烷浓度的增加进入大气中。以前的研究作品报告称，沼气可以通过厌氧消化来获得STW，并且可以通过酯交换过程从WCO生产生物柴油。在这项研究工作中，尝试探讨使用从STW作为燃料获得的WCO和沼气的生物柴油的可能性，以在双燃料模式（DFM）上操作压缩点火（CI）发动机。饲料股票WCO和STW从餐馆收集，位于教育学院的旅馆和旅馆。对于实验，4.4 kW，单缸，自然吸气，以恒定的速度运行1500rpm的恒定速度被转化为DFM，以在生物柴油 - 沼气上运行。在DFM测试发动机中进行了实验，以评估当双燃料发动机运行时的性能，发射和燃烧参数，以在沼气的三种不同的质量流速，三个不同的喷射时间和三个不同的喷嘴开口压力上。与柴油操作相比，分析了从实验中获得的结果，并在本文中呈现。

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