非食用植物油生物燃料压燃发动机性能的优化和建模

A.R. Soji-Adekunle , E. Betiku , A.A. Asere , O.A. Falowo , T.F. Oyewusi , B.S. Adeboye
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引用次数: 0

摘要

压燃式 CI 发动机是工业和家用的多功能发动机。CI 发动机可用于家用磨坊、运输和能源工厂的部件。为了消除仅使用化石柴油对环境造成的威胁,人们鼓励使用生物柴油及其与化石柴油的组合来操作 CI 发动机。本研究旨在对生物柴油及其乳液的使用进行比较,以提高 CI 发动机的性能。使用由三种生物废料混合物制成的催化剂,从三种非食用油(Tevetia Peruviana、Honne 和 Neem (THN))的混合物中合成了甲酯。使用田口工具对生产工艺进行了优化。对获得的 THN 甲酯(THNME)进行了燃料性能评估。采用 Box Behnken 工具生成了 17 个研究步骤,以探讨 THNME 100 和含有 20% 和 60% THNME 的部分对 CI 发动机的燃料效率和安全性的影响。这些混合燃料被用作未经改装的单缸 CI 发动机的燃料。发动机在 25%、50% 和 75%三种发动机负荷以及 1500、2500 和 3500 转/分的发动机转速下运行。结果表明,混合 THNME 和化石柴油的废气温度 EGT 最低。性能结果的方差分析表明,所开发的模型仅适用于预测制动功率和废气温度。这项工作的结论是,就 EGT 和 BSFC 而言,B20 燃油效率适中,对未改装的发动机更安全。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Optimization and modeling of the performance of compression ignition engine fired on biofuel from non-edible vegetable oils

Optimization and modeling of the performance of compression ignition engine fired on biofuel from non-edible vegetable oils

Compression ignition CI engine are versatile engines required for both industrial and domestic purposes. CI finds application in household mill, transportation and as components in energy plants. Operating the CI engine with biodiesel and its combination with fossil-based diesel is being encouraged to combat environmental menace of using only fossil diesel. This current work seeks to probe into comparison between the use of biodiesel and its emulsion to improve the performance CI engine. Methyl esters was synthesized from blends of three nonedible oils; Tevetia Peruviana, Honne and Neem (THN) using catalyst made from three bio wastes mixture. The production process was optimized using Taguchi tool. The THN methyl esters (THNME) obtained was assessed for fuel properties. Box Behnken tool was adopted to generate 17 investigational steps to explore the effect of THNME 100 and parts containing 20% and 60% of THNME on the fuel efficiency and safety of the CI engine. These fuel mixes were used as fuel in an unmodified single cylinder CI engine. The engine was operated on three engine loads (EL) 25%, 50% and 75% as well as engine speeds (ES) 1500, 2500 and 3500 rpm (rpm). The result obtained showed that blend of THNME with fossil diesel has the minimum exhaust gas temperature EGT. ANOVA of the performance result shows that the model developed is suitable to predict the behaviour of brake power and exhaust gas temperature only. This work conclude that B20 is moderately fuel efficient and safer for the unmodified engine in terms of EGT and BSFC.

Novelty: Emulsion of THNME B20 is a preferred fuel for the safety of the unmodified CI engine because of low EGT

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