Suitability Study of Biofuel Blend for Light Commercial Vehicle Application under Real-World Transient Operating Conditions

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-10 DOI:10.4271/03-17-07-0050

Pajarla Saiteja, B. Ashok

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Abstract

Driving schedule of every vehicle involves transient operation in the form of changing engine speed and load conditions, which are relatively unchanged during steady-state conditions. As well, the results from transient conditions are more likely to reflect the reality. So, the current research article is focused on analyzing the biofuel-like lemon peel oil (LPO) behavior under real-world transient conditions with fuel injection parameter MAP developed from steady-state experiments. At first, engine parameters and response MAPs are developed by using a response surface methodology (RSM)-based multi-objective optimization technique. Then, the vehicle model has been developed by incorporating real-world transient operating conditions. Finally, the developed injection parameters and response MAPs are embedded in the vehicle model to analyze the biofuel behavior under transient operating conditions. The results obtained for diesel-fueled light commercial vehicle (LCV) have shown better fuel economy than LPO biofuel with their developed fuel injection parameter MAP. The maximum BTE obtained was 29.7% for diesel and 29.5% for LPO at 2100 rpm and 20 Nm torque. The mean HC emissions were identified as 0.02046 g/km for diesel and 0.03488 g/km for LPO fuel over the modified Indian driving cycle (MIDC). Except for NOx emission, LPO biofuel exhibited diesel-like performance and emission characteristics under the MIDC.

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真实世界瞬态运行条件下轻型商用车辆应用生物燃料混合物的适用性研究

每辆车的驾驶计划都涉及发动机转速和负载条件变化形式的瞬态操作，而这些在稳态条件下是相对不变的。因此，瞬态工况下的结果更容易反映实际情况。因此，本文的研究重点是分析类生物燃料柠檬皮油（LPO）在实际瞬态工况下的行为，其燃料喷射参数 MAP 是根据稳态实验制定的。首先，使用基于响应面方法学（RSM）的多目标优化技术开发了发动机参数和响应 MAP。然后，结合现实世界的瞬态运行条件，开发了车辆模型。最后，将开发的喷射参数和响应 MAP 嵌入汽车模型，以分析生物燃料在瞬态运行条件下的行为。柴油轻型商用车（LCV）的研究结果表明，使用开发的喷射参数 MAP，燃油经济性优于 LPO 生物燃料。在 2100 rpm 和 20 Nm 扭矩条件下，柴油的最大 BTE 为 29.7%，LPO 为 29.5%。在改良的印度驾驶循环（MIDC）中，柴油和 LPO 燃料的平均 HC 排放量分别为 0.02046 g/km 和 0.03488 g/km。除氮氧化物排放外，LPO 生物燃料在 MIDC 下表现出与柴油类似的性能和排放特性。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.