Enhanced Mixing in Supersonic Flow Using a Pulse Detonator
Mixing enhancement in a M=2 crossflow using the transient high-pressure, high-temperature, and high-velocity pulse from a detonation was investigated experimentally. High-frame-rate shadowgraphy and planar laser-induced fluorescence of the nitric oxide molecule showed the structure and time-dependen...
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| Veröffentlicht in: | Journal of propulsion and power 2015-03, Vol.31 (2), p.654-663 |
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| container_end_page | 663 |
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| container_issue | 2 |
| container_start_page | 654 |
| container_title | Journal of propulsion and power |
| container_volume | 31 |
| creator | Ombrello, Timothy Carter, Campbell McCall, Jonathan Schauer, Frederick Naples, Andrew Hoke, John Hsu, Kuang-Yu |
| description | Mixing enhancement in a M=2 crossflow using the transient high-pressure, high-temperature, and high-velocity pulse from a detonation was investigated experimentally. High-frame-rate shadowgraphy and planar laser-induced fluorescence of the nitric oxide molecule showed the structure and time-dependent interaction of the detonation plume with the supersonic flow. The high-momentum flux from the detonation provided significant penetration, with blowdown times of 4–8 ms achieved. Planar laser-induced fluorescence of nitric oxide captured the spanwise structure of the plume and the large counter-rotating vortex structure for enhanced mixing. The upstream jet was shown to be drawn into the pulse detonator’s plume, providing distribution to the core supersonic flow. Significant coupling between a continuous upstream jet and the pulse detonator plume was found and indicated that there was an optimal staging distance for enhanced mixing. |
| doi_str_mv | 10.2514/1.B35316 |
| format | Article |
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High-frame-rate shadowgraphy and planar laser-induced fluorescence of the nitric oxide molecule showed the structure and time-dependent interaction of the detonation plume with the supersonic flow. The high-momentum flux from the detonation provided significant penetration, with blowdown times of 4–8 ms achieved. Planar laser-induced fluorescence of nitric oxide captured the spanwise structure of the plume and the large counter-rotating vortex structure for enhanced mixing. The upstream jet was shown to be drawn into the pulse detonator’s plume, providing distribution to the core supersonic flow. Significant coupling between a continuous upstream jet and the pulse detonator plume was found and indicated that there was an optimal staging distance for enhanced mixing.</description><identifier>ISSN: 0748-4658</identifier><identifier>EISSN: 1533-3876</identifier><identifier>DOI: 10.2514/1.B35316</identifier><identifier>CODEN: JPPOEL</identifier><language>eng</language><publisher>Reston: American Institute of Aeronautics and Astronautics</publisher><subject>Blowdown ; Cross flow ; Detonation ; Detonators ; Fluid dynamics ; Fluorescence ; High temperature ; Molecular structure ; Nitric oxide ; Planar laser induced fluorescence ; Plumes ; Supersonic aircraft ; Supersonic flow ; Upstream</subject><ispartof>Journal of propulsion and power, 2015-03, Vol.31 (2), p.654-663</ispartof><rights>This material is declared a work of the U.S. Govt. and is not subject to copyright protection in the United States. 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Copies of this paper may be made for personal or internal use, on condition that the copier pay the $10.00 per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923; include the code 1533-3876/14 and $10.00 in correspondence with the CCC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a346t-e48711e54967a39304aab11f9f14ab8fcb133425dc32b8e1a3a230b12191aa353</citedby><cites>FETCH-LOGICAL-a346t-e48711e54967a39304aab11f9f14ab8fcb133425dc32b8e1a3a230b12191aa353</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Ombrello, Timothy</creatorcontrib><creatorcontrib>Carter, Campbell</creatorcontrib><creatorcontrib>McCall, Jonathan</creatorcontrib><creatorcontrib>Schauer, Frederick</creatorcontrib><creatorcontrib>Naples, Andrew</creatorcontrib><creatorcontrib>Hoke, John</creatorcontrib><creatorcontrib>Hsu, Kuang-Yu</creatorcontrib><title>Enhanced Mixing in Supersonic Flow Using a Pulse Detonator</title><title>Journal of propulsion and power</title><description>Mixing enhancement in a M=2 crossflow using the transient high-pressure, high-temperature, and high-velocity pulse from a detonation was investigated experimentally. High-frame-rate shadowgraphy and planar laser-induced fluorescence of the nitric oxide molecule showed the structure and time-dependent interaction of the detonation plume with the supersonic flow. The high-momentum flux from the detonation provided significant penetration, with blowdown times of 4–8 ms achieved. Planar laser-induced fluorescence of nitric oxide captured the spanwise structure of the plume and the large counter-rotating vortex structure for enhanced mixing. The upstream jet was shown to be drawn into the pulse detonator’s plume, providing distribution to the core supersonic flow. Significant coupling between a continuous upstream jet and the pulse detonator plume was found and indicated that there was an optimal staging distance for enhanced mixing.</description><subject>Blowdown</subject><subject>Cross flow</subject><subject>Detonation</subject><subject>Detonators</subject><subject>Fluid dynamics</subject><subject>Fluorescence</subject><subject>High temperature</subject><subject>Molecular structure</subject><subject>Nitric oxide</subject><subject>Planar laser induced fluorescence</subject><subject>Plumes</subject><subject>Supersonic aircraft</subject><subject>Supersonic flow</subject><subject>Upstream</subject><issn>0748-4658</issn><issn>1533-3876</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kE9Lw0AQxRdRsFbBjxAQwUvqTvZvvGltVagoaM_LJN1oSrpbdxPUb2-kgtKDp4GZH2_ee4QcAx1lAvg5jK6YYCB3yAAEYynTSu6SAVVcp1wKvU8OYlxSClJLNSAXE_eKrrSL5L7-qN1LUrvkqVvbEL2ry2Ta-PdkHr8PmDx2TbTJtW29w9aHQ7JXYb85-plDMp9Onse36ezh5m58OUuRcdmmlmsFYAXPpUKWM8oRC4Aqr4BjoauyAMZ4JhYlywptARlmjBaQQQ6IfZYhOdvoroN_62xszaqOpW0adNZ30YCUudaUS9ajJ1vo0nfB9e5MxnMmpBKg_6OgbwhUb5j-vi2DjzHYyqxDvcLwaYCa76oNmE3VPXq6QbFG_CO2zX0BIJV39g</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Ombrello, Timothy</creator><creator>Carter, Campbell</creator><creator>McCall, Jonathan</creator><creator>Schauer, Frederick</creator><creator>Naples, Andrew</creator><creator>Hoke, John</creator><creator>Hsu, Kuang-Yu</creator><general>American Institute of Aeronautics and Astronautics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150301</creationdate><title>Enhanced Mixing in Supersonic Flow Using a Pulse Detonator</title><author>Ombrello, Timothy ; Carter, Campbell ; McCall, Jonathan ; Schauer, Frederick ; Naples, Andrew ; Hoke, John ; Hsu, Kuang-Yu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a346t-e48711e54967a39304aab11f9f14ab8fcb133425dc32b8e1a3a230b12191aa353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Blowdown</topic><topic>Cross flow</topic><topic>Detonation</topic><topic>Detonators</topic><topic>Fluid dynamics</topic><topic>Fluorescence</topic><topic>High temperature</topic><topic>Molecular structure</topic><topic>Nitric oxide</topic><topic>Planar laser induced fluorescence</topic><topic>Plumes</topic><topic>Supersonic aircraft</topic><topic>Supersonic flow</topic><topic>Upstream</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ombrello, Timothy</creatorcontrib><creatorcontrib>Carter, Campbell</creatorcontrib><creatorcontrib>McCall, Jonathan</creatorcontrib><creatorcontrib>Schauer, Frederick</creatorcontrib><creatorcontrib>Naples, Andrew</creatorcontrib><creatorcontrib>Hoke, John</creatorcontrib><creatorcontrib>Hsu, Kuang-Yu</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of propulsion and power</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ombrello, Timothy</au><au>Carter, Campbell</au><au>McCall, Jonathan</au><au>Schauer, Frederick</au><au>Naples, Andrew</au><au>Hoke, John</au><au>Hsu, Kuang-Yu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced Mixing in Supersonic Flow Using a Pulse Detonator</atitle><jtitle>Journal of propulsion and power</jtitle><date>2015-03-01</date><risdate>2015</risdate><volume>31</volume><issue>2</issue><spage>654</spage><epage>663</epage><pages>654-663</pages><issn>0748-4658</issn><eissn>1533-3876</eissn><coden>JPPOEL</coden><abstract>Mixing enhancement in a M=2 crossflow using the transient high-pressure, high-temperature, and high-velocity pulse from a detonation was investigated experimentally. High-frame-rate shadowgraphy and planar laser-induced fluorescence of the nitric oxide molecule showed the structure and time-dependent interaction of the detonation plume with the supersonic flow. The high-momentum flux from the detonation provided significant penetration, with blowdown times of 4–8 ms achieved. Planar laser-induced fluorescence of nitric oxide captured the spanwise structure of the plume and the large counter-rotating vortex structure for enhanced mixing. The upstream jet was shown to be drawn into the pulse detonator’s plume, providing distribution to the core supersonic flow. Significant coupling between a continuous upstream jet and the pulse detonator plume was found and indicated that there was an optimal staging distance for enhanced mixing.</abstract><cop>Reston</cop><pub>American Institute of Aeronautics and Astronautics</pub><doi>10.2514/1.B35316</doi><tpages>10</tpages></addata></record> |
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| ispartof | Journal of propulsion and power, 2015-03, Vol.31 (2), p.654-663 |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Blowdown Cross flow Detonation Detonators Fluid dynamics Fluorescence High temperature Molecular structure Nitric oxide Planar laser induced fluorescence Plumes Supersonic aircraft Supersonic flow Upstream |
| title | Enhanced Mixing in Supersonic Flow Using a Pulse Detonator |
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