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精制生物油和柴油混合燃料的柴油机性能 被引量:2

Performance of diesel engine running on diesel fuel and its blends with refined biomass fast pyrolysis bio-oil
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摘要 在柴油机上通过试验研究精制生物质热裂解油和柴油混合燃料的动力性、经济性和排放性等性能,其中试验用精制生物质热裂解油是根据其主要成分的比例由分析纯的单质配制的模型油.结果表明,在不改变柴油机参数的情况下,模型油代用部分柴油导致发动机外特性输出功率略有下降,模型油体积掺混比10%与20%的混合燃料(分别简称为B10和B20)降幅分别约为3%与7%;经济性略有改善,B10和B20的当量油耗率在外特性工况中相对纯柴油的平均降幅约为7%;在中高负荷工况中,混合燃料的不完全燃烧产物如CO、HC等排放下降明显,其中外特性下NMHC排放只有纯柴油的25%左右;外特性下B20的排气不透光度相对B10下降约10%. Experimental tests were conducted to evaluate the engine performance and emission of a diesel engine with diesel fuel and simulated bio‐oil blends . The simulated bio‐oil was prepared based on the refined biomass fast pyrolysis bio‐oil with pure substances (analytically grade ) , and the fuel blends containing 10% and 20% by volume of simulated bio‐oil were named as B10 and B20 .Results indicate that the engine power for the B10 and B20 are about 3% and 7% lower than for the pure diesel fuel .The average drop of brake specific energy consumption for the B10 and B20 is about 7% at full‐load . The measured products of the imperfect combustion of fuel ,such as CO and HC ,were reduced notably for the B10 and B20 compared with the diesel fuel at medium and high loads ,which the NMHC emission decrease was about 75% at full‐load . Under full load conditions , the smoke emission characteristics of B10 and B20 were different with diesel fuel ,and the average reduction of smoke opacity was about 10% for B20 relative to B10 .
出处 《浙江大学学报(工学版)》 EI CAS CSCD 北大核心 2015年第4期632-637,共6页 Journal of Zhejiang University:Engineering Science
基金 国家"973"重点基础研究发展规划资助项目(2013CB228100) 浙江省公益性技术应用研究计划资助项目(2012C21060)
关键词 生物质热裂解油 柴油机 傅里叶变换红外光谱分析仪(FTIR) 排放 biomass fast pyrolysis bio-oil diesel engine Fourier transform infrared spectroscopy (FTIR) emission
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