以汽油-原油和汽油-原油-乙醇混合物为燃料的火花点火发动机制动热效率和特定燃料消耗量的响应面优化研究

IF 1 Q4 TRANSPORTATION SCIENCE & TECHNOLOGY
K. Manickavelan, S. Sivaganesan, S. Sivamani, M. V. Kulkarni
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引用次数: 0

摘要

本研究采用响应面方法(RSM)和安德森-达林(AD)残留物测试,通过统计建模和分析,探讨了高密度聚乙烯(HDPE)焦油和乙醇与汽油混合后在 SI 发动机中的性能。在 450°C 高温下从高密度聚乙烯中提取热油,然后蒸馏分离出液体馏分。通过将焦油和汽油以及焦油-乙醇混合物(体积比为 9:1)和汽油(体积浓度均为 2% 至 8%)混合,制备了两种混合物,以评估 SI 发动机中的制动热效率 (BTE) 和特定燃料消耗量 (SFC)。使用 RSM 设计、分析和优化了以转速、扭矩和混合比为自变量的实验矩阵。结果表明,4% 的焦油与汽油混合物(P4)和 6% 的焦油-乙醇混合物与汽油混合物(P6E)是 SI 发动机的最佳混合物。此外,实验结果表明,与基础燃料(纯汽油)相比,P6E 混合燃料的 BTE 高 11%,SFC 低 11.82%;与 P4 相比,BTE 高 7.55%,SFC 低 6%。通过 AD 检验,BTE 和 SFC 的残差呈正态分布。结果表明,蒸馏高密度聚乙烯焦油可用于浓度为 P4 和 P6E 的 SI 发动机,而无需对发动机进行改装。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Response Surface Optimization of Brake Thermal Efficiency and Specific Fuel Consumption of Spark-Ignition Engine Fueled with Gasoline–Pyrooil and Gasoline–Pyrooil–Ethanol Blends
The present study explores the performance of high-density polyethylene (HDPE) pyrooil and ethanol blends with gasoline in SI engine using statistical modeling and analysis using response surface methodology (RSM) and the Anderson–Darling (AD) residual test. The pyrooil was extracted from HDPE through pyrolysis at 450°C and then distilled to separate the liquid fraction. Two blends were prepared by combining pyrooil and gasoline, and pyrooil–ethanol mixture (volume ratio of 9:1) and gasoline, both at volumetric concentrations ranging from 2% to 8% to evaluate brake thermal efficiency (BTE) and specific fuel consumption (SFC) in a SI engine. An experimental matrix containing speed, torque, and blend ratio as independent variables for both blends were designed, analyzed, and optimized using the RSM. The results show that a 4% blend of pyrooil with gasoline (P4) and a 6% blend of pyrooil–ethanol mixture with gasoline (P6E) were optimum for an SI engine. Also, the experimental findings show that the P6E blend exhibits 11% higher BTE and 11.82% lower SFC compared to base fuel (pure gasoline), and 7.55% higher BTE and 6% lower SFC than P4. From the AD test, the residuals for BTE and SFC follow a normal distribution. The results conclude that distilled HDPE pyrooil could be used in SI engines at concentrations of P4 and P6E without requiring engine modification.
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来源期刊
SAE International Journal of Fuels and Lubricants
SAE International Journal of Fuels and Lubricants TRANSPORTATION SCIENCE & TECHNOLOGY-
CiteScore
2.20
自引率
10.00%
发文量
16
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