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Simultaneous measurements of multiple flow parameters for scramjet characterization using tunable diode-laser sensors

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dc.contributorVirginia Techen
dc.contributor.authorLi, Feien
dc.contributor.authorYu, XiLongen
dc.contributor.authorGu, Hongbinen
dc.contributor.authorLi, Zhien
dc.contributor.authorZhao, Yanen
dc.contributor.authorMa, Linen
dc.contributor.authorChen, Lihongen
dc.contributor.authorChang, Xinyuen
dc.contributor.departmentAerospace and Ocean Engineeringen
dc.date.accessed2014-02-06en
dc.date.accessioned2014-03-14T15:04:24Zen
dc.date.available2014-03-14T15:04:24Zen
dc.date.issued2011-12-01en
dc.description.abstractThis paper reports the simultaneous measurements of multiple flow parameters in a scramjet facility operating at a nominal Mach number of 2.5 using a sensing system based on tunable diode-laser absorption spectroscopy (TDLAS). The TDLAS system measures velocity, temperature, and water vapor partial pressure at three different locations of the scramjet: the inlet, the combustion region near the flame stabilization cavity, and the exit of the combustor. These measurements enable the determination of the variation of the Mach number and the combustion mode in the scramjet engine, which are critical for evaluating the combustion efficiency and optimizing engine performance. The results obtained in this work clearly demonstrated the applicability of TDLAS sensors in harsh and high-speed environments. The TDLAS system, due to its unique virtues, is expected to play an important role in the development of scramjet engines. (C) 2011 Optical Society of Americaen
dc.description.sponsorshipNational Natural Science Foundation of China 90816015, 11002148en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationFei Li, XiLong Yu, Hongbin Gu, Zhi Li, Yan Zhao, Lin Ma, Lihong Chen, and Xinyu Chang, "Simultaneous measurements of multiple flow parameters for scramjet characterization using tunable diode-laser sensors," Appl. Opt. 50, 6697-6707 (2011); doi: 10.1364/AO.50.006697en
dc.identifier.doihttps://doi.org/10.1364/AO.50.006697en
dc.identifier.issn1559-128Xen
dc.identifier.urihttp://hdl.handle.net/10919/25894en
dc.identifier.urlhttp://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-36-6697en
dc.language.isoenen
dc.publisherOptical Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectAbsorption spectroscopyen
dc.subjectWater-vaporen
dc.subjectTemperature distributionsen
dc.subjectGASen
dc.subjectTemperatureen
dc.subjectCombustionen
dc.subjectCavityen
dc.subjectOperationen
dc.subjectEnginesen
dc.subjectModelen
dc.titleSimultaneous measurements of multiple flow parameters for scramjet characterization using tunable diode-laser sensorsen
dc.title.serialApplied Opticsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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