Experimental and Modeling Study on Autoignition of a Biodiesel/n-Heptane Mixture and Related Surrogate in a Heated Rapid Compression Machine

Experimental and Modeling Study on Autoignition of a Biodiesel/n-Heptane Mixture and Related Surrogate in a Heated Rapid Compression Machine
复制标题

DOI：
10.1021/acs.energyfuels.8b04417
复制
发表时间：
2019-04
期刊：
Energy & Fuels
影响因子：
5.3
通讯作者：
Ang Li;Liang Yu;Xingcai Lu;Zhen Huang;Lei Zhu
Ang Li;Liang Yu;Xingcai Lu;Zhen Huang;Lei Zhu
中科院分区：
工程技术3区
文献类型：
--
作者：
Ang Li;Liang Yu;Xingcai Lu;Zhen Huang;Lei Zhu

文献摘要

相似文献

在加热快速压力机(RCM)上测定了大豆油甲酯(SME)和废食用油甲酯(WCOME)与正庚烷混合的两种生物柴油的着火延迟时间。为了满足生物柴油等高沸点燃料的测量要求，对RCM平台进行了多方面的改进，主要体现在全局预热、反应物制备、气体稀释等方面。在此基础上，在641-772K温度范围内，测量了SME30和WCOME30(体积分数为30%生物柴油和70%正庚烷)在15bar下的着火延迟时间，这两种生物柴油表现出典型的两级着火特性和明显的负温度系数行为。为了更好地研究生物柴油的着火过程，根据化学解构方法学，开发了新型替代燃料，包括正十六烷、反式-3-己烯酸甲酯和1，4-己二烯。代用品和焦油的自燃性能。
In this paper, ignition delay time of two kinds of biodiesel, soybean oil methyl ester (SME) and waste cooking oil methyl ester (WCOME) blended with n-heptane, were measured in a heated rapid compression machine (RCM). To meet the requirement of measuring high boiling fuels like biodiesel, several modifications were applied in RCM platform, which embodied in global preheating, reactant preparation, and gas dilution. Along with these methodologies, ignition delay times of SME30 and WCOME30 (30% biodiesel and 70% n-heptane in volume fraction) were measured at 15 bar, within temperature range of 641–772 K. Both biodiesels exhibited typical two-stage ignition characteristics and pronounced negative temperature coefficient behaviors. To better investigate the ignition process of biodiesel, novel surrogate fuels have been formulated including methyl decanoate, n-hexadecane, methyl trans-3-hexenoate, and 1,4-hexadiene, according to Chemical Deconstruction Methodology. Autoignition properties of surrogate and tar...