异辛烷/正庚烷/乙醇三组分燃料着火的化学动力学模型

引用本文: 郑东, 钟北京. 异辛烷/正庚烷/乙醇三组分燃料着火的化学动力学模型[J]. 物理化学学报, doi: 10.3866/PKU.WHXB201207042 shu

Citation: ZHENG Dong, ZHONG Bei-Jing. Chemical Kinetic Model for Ignition of Three-Component Fuel Comprising iso-Octane/n-Heptane/Ethanol[J]. Acta Physico-Chimica Sinica, doi: 10.3866/PKU.WHXB201207042 shu

异辛烷/正庚烷/乙醇三组分燃料着火的化学动力学模型

郑东 ,
钟北京

基金项目:
国家自然科学基金(51036004)资助项目 (51036004)

摘要:

提出一个包括异辛烷、正庚烷和乙醇的三组分燃料的着火动力学模型, 该机理包括50 个组分和193 个反应. 通过路径分析和灵敏度分析, 给出了基础燃料在高低温条件下的不同反应路径和影响氧化过程的重要基元反应. 该机理预测的单组分(异辛烷、正庚烷、乙醇)燃料、双组分基础燃料和三组分燃料的点火延迟时间与实验值有很高一致性. 本文机理包含较少的组分数与反应数, 因而可适用汽油掺烧乙醇的多维计算流体动力学(CFD)数值模拟.

关键词:

English

Chemical Kinetic Model for Ignition of Three-Component Fuel Comprising iso-Octane/n-Heptane/Ethanol

1.
School of Aerospace, Tsinghua University, Beijing 100084, P. R. China
Received Date: 02 May 2012
Available Online: 02 August 2012
Fund Project:
国家自然科学基金(51036004)资助项目

Abstract:

A reduced chemical kinetic mechanism for the oxidation of three-component fuel comprising iso-octane/n-heptane/ethanol has been developed. The mechanism consists of 50 species and 193 elementary reactions and emphasizes the ignition process. Using path and sensitivity analyses, the path of primary reference fuel (PRF) oxidation and major elementary reactions at high and low temperatures are given. The validated results show that the present mechanism gives od agreement with experimental data for ignition delay time predictions. Because of the few species and reactions presenting in the chemical kinetic model, the mechanism is applicable to multidimensional computational fluid dynamic (CFD) simulation of the co-combustion of gasoline with ethanol.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

异辛烷/正庚烷/乙醇三组分燃料着火的化学动力学模型

English

Chemical Kinetic Model for Ignition of Three-Component Fuel Comprising iso-Octane/n-Heptane/Ethanol

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

异辛烷/正庚烷/乙醇三组分燃料着火的化学动力学模型

English

Chemical Kinetic Model for Ignition of Three-Component Fuel Comprising iso-Octane/n-Heptane/Ethanol

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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