| 模型超燃冲压发动机内着火过程分析 |
| |
| 引用本文： | 潘余,刘卫东,梁剑寒,王振国.模型超燃冲压发动机内着火过程分析[J].力学学报,2009,41(4):455-462. |
| |
| 作者姓名： | 潘余 刘卫东 梁剑寒 王振国 |
| |
| 作者单位： | 国防科学技术大学航天与材料工程学院推进中心国防科学技术大学航天与材料工程学院推进中心国防科学技术大学航天与材料工程学院推进中心国防科学技术大学航天与材料工程学院推进中心 |
| |
| 摘 要： | 在燃烧室入口来流为Ma=2.64、T0=1483K、P0＝1.65MPa、T=724K、P=76.3kPa条件下，采用高速摄影和连续激光高速纹影对等截面型开窗燃烧室内氢气射流自燃过程、火花塞点燃氢气过程和引导氢气火焰点燃煤油过程进行了观测，获得了燃烧室内着火过程中火焰和流场波系结构的动态演化过程；观察到了初始火焰区首先起始于燃烧室下游，并逆流传播实现发动机着火的过程；分析表明燃料能否着火、以及着火位置与燃料着火时间、燃烧室流速和火焰稳定器安装情况相关，多火焰稳定区延长了燃料驻留时间，使燃料更容易着火。关键词 超燃冲压发动机，点火过程，火焰传播，火焰稳定器
|
| 关 键 词： | 超燃冲压发动机 点火过程 火焰传播 火焰稳定器 |
| 收稿时间： | 2009-03-16 |
ON THE IGNITION PROCESS IN A MODEL SCRAM JET COMBUSTOR |
| |
| Pan Yu
,
Liu Weidong
,
Liang Jianhan
,
Wang Zhenguo.ON THE IGNITION PROCESS IN A MODEL SCRAM JET COMBUSTOR[J].chinese journal of theoretical and applied mechanics,2009,41(4):455-462. |
| |
| Authors: | Pan Yu Liu Weidong Liang Jianhan Wang Zhenguo |
| |
| Institution: | Institute of Aerospace and Material of National University of Defense Technology, Changsha 410073, ChinaInstitute of Aerospace and Material of National University of Defense Technology, Changsha 410073, ChinaInstitute of Aerospace and Material of National University of Defense Technology, Changsha 410073, ChinaInstitute of Aerospace and Material of National University of Defense Technology, Changsha 410073, China |
| |
| Abstract: | Three processes of ignition were investigated by using high speed camera and schlieren system with the inflow condition of Ma=2.64,T_0=1483K,P_0=1.65 MPa,T=724 K,and P=76.3 kPa,which are autoignition of hydrogen injection,the spark igniting hydrogen and the pilot flame igniting the kerosene in a constant area model scramjet combustor.The flame propagation and shocktrains evolution in the combusotr was gained,which revealed that the flame originated from the downstream of the combustor,then propagated to ups... |
| |
| Keywords: | scramjet ignition process flame propagtion flame holder |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《力学学报》浏览原始摘要信息 |
| 点击此处可从《力学学报》下载免费的PDF全文 |
|
