先进的预测和优化视频录像机发动机特性使用RSM与DFA用于可持续生物燃料来自废弃皮剥离
Thota S S Bhaskara Rao1, Rajayokkiam Manimaran2, C Manivannan3
1Department of Mechanical Engineering, Madanapalle Institute of Technology & Science, Madanapalle, Andhra Pradesh, India.
Scientific reports
|October 6, 2025
概括
废弃的皮可以转化为皮废油 (LPWO),一种可持续的生物燃料. 在可变压缩比引擎中将LPWO与柴油混合,可以显著降低排放量并提高性能.
科学领域:
- 可持续能源 可持续能源
- 机械工程 机械工程
- 环境科学 环境科学
背景情况:
- 全球能源需求的增加和环境问题需要替代燃料.
- 化石燃料的耗尽和价格波动推动了对可持续能源的研究.
- 来自废物材料的生物燃料提供了一个有希望的解决方案,以减少对传统燃料的依赖.
研究的目的:
- 研究皮废油 (LPWO) 作为生物燃料的潜力.
- 为了评估LPWO-柴油混合物的性能,燃烧和排放特性,在可变压缩比 (VCR) 发动机中.
- 通过响应表面方法 (RSM) 和可取性函数方法 (DFA) 来优化发动机操作条件.
主要方法:
- 通过蒸汽蒸提取的皮废油 (LPWO).
- LPWO和柴油 (5-20%) 的燃料混合物使用ASTM标准,FTIR,GC-MS和TG/dTG进行了表征.
- 在不同的负载和压缩比下,在VCR发动机中测试的发动机性能和排放量.
- 使用RSM和DFA来建模和优化发动机响应.
主要成果:
- 与柴油相比,LPWO5混合物 (5%LPWO) 显示出最佳性能,将制动热效率 (BTE) 提高了2.168%,并将制动特定燃油消耗 (BSFC) 降低了6.54%.
- 在LPWO5混合物中观察到CO (59.42%),NOx (30.99%) 和烟雾排放的显著减少.
- RSM-DFA预测的最佳条件 (6.51% LPWO,1.42 kW负载,CR 18:1) 与实验结果密切匹配,误差小于5%.
- 与DFA相结合的RSM-CCD设计产生了0.8997.7的高组合可取性.
结论:
- 皮废油 (LPWO) 是视频录像机发动机的可行的替代燃料.
- LPWO5混合物可大幅提高发动机效率,并显著减少有害排放.
- RSM和DFA是优化生物燃料混合物和发动机操作参数的有效工具.
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