车用发动机
車用髮動機
차용발동궤
2014年
3期
43-45
,共3页
夏舜午%孙平%邬齐敏%冯浩杰%杜小鹏
夏舜午%孫平%鄔齊敏%馮浩傑%杜小鵬
하순오%손평%오제민%풍호걸%두소붕
柴油%乙醇%正丁醇%互溶性%混合燃料
柴油%乙醇%正丁醇%互溶性%混閤燃料
시유%을순%정정순%호용성%혼합연료
diesel%ethanol%n-butanol%mutual solubility%blended fuel
选择正丁醇作为助溶剂添加到乙醇-柴油中进行相溶性试验,绘制乙醇-正丁醇-柴油在不同温度下的溶解度曲线,研究正丁醇添加量和含水体积分数对混合燃料稳定性的影响。研究得到正丁醇作为乙醇-柴油混合燃料添加剂的合理添加范围:若要满足十六烷值大于40,乙醇的体积掺混比极限值为20%,此时为保持燃料混合均匀,只需加入5%的正丁醇即可。混合燃料中每多溶解0.1%体积的水,需要使温度升高20℃左右或者多添加2%正丁醇。
選擇正丁醇作為助溶劑添加到乙醇-柴油中進行相溶性試驗,繪製乙醇-正丁醇-柴油在不同溫度下的溶解度麯線,研究正丁醇添加量和含水體積分數對混閤燃料穩定性的影響。研究得到正丁醇作為乙醇-柴油混閤燃料添加劑的閤理添加範圍:若要滿足十六烷值大于40,乙醇的體積摻混比極限值為20%,此時為保持燃料混閤均勻,隻需加入5%的正丁醇即可。混閤燃料中每多溶解0.1%體積的水,需要使溫度升高20℃左右或者多添加2%正丁醇。
선택정정순작위조용제첨가도을순-시유중진행상용성시험,회제을순-정정순-시유재불동온도하적용해도곡선,연구정정순첨가량화함수체적분수대혼합연료은정성적영향。연구득도정정순작위을순-시유혼합연료첨가제적합리첨가범위:약요만족십륙완치대우40,을순적체적참혼비겁한치위20%,차시위보지연료혼합균균,지수가입5%적정정순즉가。혼합연료중매다용해0.1%체적적수,수요사온도승고20℃좌우혹자다첨가2%정정순。
The mutual solubility test of blended fuel was conducted by adding n-butanol cosolvent into ethanol-diesel solution . The solubility curves of ethanol-n-butanol-diesel at different temperatures were drawn .The influence of n-butanol addition and water volume content on the stability of blended fuel was researched .Finally ,the reasonable addition of n-butanol additive to ethanol-diesel blended fuel was acquired .5% n-butanol addition could make the blended fuel uniform if the cetane number was larger than 40 and the maximum mixing volume fraction of ethanol was 20% .While the water volume content increased by 0 .1% ,the temperature of the blended fuel needed to increase by about 20 ℃ ,otherwise 2% n-butanol should be added to the solution .