共查询到10条相似文献,搜索用时 218 毫秒
1.
柴油机燃用柴油-甲醇-水复合乳化燃料的研究 总被引:12,自引:1,他引:12
本文介绍柴油机燃用柴油-甲醇-水复合乳化燃料的研究。采用自行研制的复合型乳化剂、使用机械搅拌分步乳化法和超声乳化法配制了多种配比的复合乳化燃料。通过台架试验得出了复合乳化燃料的最佳配比,分析了燃用不同配比的复合乳化燃料对柴油机的经济性、动力性、燃烧过程和排放特性的影响;使用全气缸取样系统研究了柴油机燃用不同燃料时缸内微粒生成历程。试验表明,燃用复合乳化燃料时缸内微粒生成量大幅度减少,下降值最大可达40.7%,首次以实验手段揭示了柴油机燃用乳化燃料时烟度降低的关键原因。试验也表明,这种复合乳化燃料具有乳化剂用量少、稳定性好的特点;ZH190W型柴油机燃用D85M7.5W7.5复合乳化燃料时获得了满意的性能. 相似文献
2.
3.
4.
本文研究了乳化燃料滴的着火现象,探讨了液相输运过程处于两种极限情况下着火延迟的变化规律。结果表明液相输运过程对乳化油的着火有决定作用。挂滴法的实验结果与凝固模型较接近,水分的加入使液滴表面温度,燃料浓度明显下降,从而使着火延迟时间变长。水分的加入对高沸点燃料着火的影响更为显著。 相似文献
5.
6.
7.
8.
Advances in biodiesel, emulsified diesel and artificial chemical additives are driven by consumer demand to save energy and reduce emissions from diesel engines. However, the effect of emulsified bio-solution/palm-biodiesel/diesel blends in diesel engines has not been assessed. Experimental results in this work demonstrate that the emulsified bio-solution/palm-biodiesel/diesel blends have the advantage in saving energy and reducing emissions of both polycyclic aromatic hydrocarbons (PAHs) and particulate matter (PM) from diesel engines. When comparing with P0 (premium diesel fuel as base fuel), E16P20 fuel (16 vol% bio-solution + 20 vol% palm-biodiesel + 64 vol% P0, an additional 1 vol% surfactant) saved 12.4% fuel consumption and reduced emissions of PM by 90.1%, total PAHs by 69.3%, and total BaPeq (benzo[a]pyrene equivalent concentration) by 69.6%. Emulsified palm-biodiesel with bio-solution can be considered as a clean and alternative fuel. 相似文献
9.