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航空煤油火蔓延驰豫脉动特性的实验研究
  • ISSN号：1006-8740
  • 期刊名称：《燃烧科学与技术》
  • 时间：0
  • 分类：TK16[动力工程及工程热物理—热能工程] X913[环境科学与工程—安全科学]
  • 作者机构：[1]中国科学技术大学火灾科学国家重点实验室,合肥230026, [2]中国船级社上海规范研究所,上海200135
  • 相关基金：国家自然科学基金资助项目（51036007）
作者： 陈国庆[1], 庄磊[1,2], 周劼波[1], 王昌建[1], 陆守香[1]
关键词： 航空煤油, 火焰蔓延, 火焰脉动, 驰豫脉动, aviation fuel, flame spreading, flame pulsating, relaxation oscillation
中文摘要：

针对液相控制条件下航空煤油火焰蔓延的驰豫脉动特性,借助CCD摄像和幅频分析技术,对航空煤油火蔓延速度、驰豫脉动模式、脉动频率和脉动幅值等特性进行了实验研究.对航空煤油火焰驰豫脉动蔓延产生机理进行了分析,分析结果表明,在液相控制条件下,前展-回缩-前展-回缩是航空煤油火焰驰豫脉动的主要模式,火焰蔓延平均速度与（T0-Tc）/Tc的2.16次方呈正比关系.主火焰蔓延脉动频率和闪火焰脉动幅值随燃料初始温度升高而增大,初始温度T0高于闪点时,脉动频率与（T0-Tc）/Tc呈正比关系,T0低于闪点时,脉动频率与（1＋（T0-Tc）/Tc）的0.53次方呈正比关系.

英文摘要：

Oscillation form,spreading velocity,oscillation frequency and amplitude of aviation fuel flame spreading were analyzed.When fuel temperature increased within the critical value,the spreading velocity and oscil-lation frequency of main flame and the oscilation amplitude of flash flame increased.Semi-empirical models were also developed to predict flame spreading velocity and oscillation frequency under different fuel temperature.

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期刊信息
  • 《燃烧科学与技术》
  • 北大核心期刊（2011版）
  • 主管单位:国家科委
  • 主办单位:天津大学
  • 主编：史绍熙
  • 地址：天津市南开区天津大学19教学楼东配楼J413
  • 邮编：300072
  • 邮箱：rskx@tju.edu.cn
  • 电话：022-27406721
  • 国际标准刊号：ISSN：1006-8740
  • 国内统一刊号：ISSN：12-1240/TK
  • 邮发代号:6-122
  • 获奖情况:
  • EI收录期刊,1997年在天津市评刊中，评为一级期刊,1999年全国科技期刊高校优秀期刊评比三等奖,中国期刊方阵“双效”期刊
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  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:6908