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高焓风洞自由流中一氧化氮含量的诊断
林贞彬; 葛学贞; 余西龙; 竺乃宜; 姜乃波; 杨乾锁; 郭大华
Source Publication力学学报
2001
Volume33Issue:1Pages:28
ISSN0459-1879
Abstract介绍JF-10氢氧爆轰驱动激波风洞自由流中NO的诊断技术及其实验结果。这里使用的是新研制的紫外波段的动态吸收光谱测量系统。该系统以Te元素空心阴极灯为光源,以OMAIV为探测设备,通过标定,获得一氧化氮γ带系(A~2Σ~+←X~2Π)对Te两条谱线214nm和225nm的吸收特性,得到在NO低含量时对两条谱线的吸收系数差别很大并呈非线性的特点。利用这两条谱线吸收系数的差值,用“差比法”对新建的高焓爆轰驱动激波风洞中自由流NO含量进行了诊断。实验结果表明,在总温8500K、总压21.6MPa时NO含量甚微,小于4×10~(14)分子/cm~3。这一结果说明该风洞自由流处于化学准平衡状态。
Keyword一氧化氮γ带 吸收光谱 一氧化氮浓度 自由流
Subject Area力学
Indexed ByCSCD
Language中文
CSCD IDCSCD:703851
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/17085
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
林贞彬,葛学贞,余西龙,等. 高焓风洞自由流中一氧化氮含量的诊断[J]. 力学学报,2001,33,1,:28.
APA 林贞彬.,葛学贞.,余西龙.,竺乃宜.,姜乃波.,...&郭大华.(2001).高焓风洞自由流中一氧化氮含量的诊断.力学学报,33(1),28.
MLA 林贞彬,et al."高焓风洞自由流中一氧化氮含量的诊断".力学学报 33.1(2001):28.
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