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基于分形几何的超声速燃烧火焰形态表征方法研究
程柳维; 仲峰泉; 杜蒙蒙; 顾洪斌; 张新宇
Source Publication实验流体力学
2019
Volume33Issue:1Pages:97-102
ISSN1672-9897
Abstract

分形几何是图像学发展的新兴学科。通过分形几何,可以研究不规则图形,揭示图形的自相似特性,并且给出图形自相似性的定量数据。本文将分形几何用于分析超声速气流中的火焰形态,定量分析了不同当量比与燃料组分摩尔比条件下火焰分形维数的变化规律,研究了湍流火焰传播速度和火焰边界分形维数之间的对应关系。通过高速摄影获得的火焰 CH自发光瞬态图像,记录了马赫数2.5超声速气流中不同燃料的火焰形态,验证了超声速火焰边界具有自相似性。实验结果表明,超声速燃烧湍流火焰锋面边界的分形维数随当量比的增大近似线性增大,随着燃料中氢含量的增加而增大。

Indexed ByCSCD
Language中文
CSCD IDCSCD:6440722
Ranking2
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78226
Collection高温气体动力学国家重点实验室
Corresponding Author仲峰泉
Recommended Citation
GB/T 7714
程柳维,仲峰泉,杜蒙蒙,等. 基于分形几何的超声速燃烧火焰形态表征方法研究[J]. 实验流体力学,2019,33,1,:97-102.
APA 程柳维,仲峰泉,杜蒙蒙,顾洪斌,&张新宇.(2019).基于分形几何的超声速燃烧火焰形态表征方法研究.实验流体力学,33(1),97-102.
MLA 程柳维,et al."基于分形几何的超声速燃烧火焰形态表征方法研究".实验流体力学 33.1(2019):97-102.
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