Instability phenomena of lean hydrogen/oxygen/inert-gas premixed flames on a flat burner
Lean combustion and inert-gas addition are useful to control the burning velocity of hydrogen premixed flames, and it is well known that the cellular structure forms on the front of lean hydrogen flames owing to intrinsic instability. However, the influences of inert-gas addition on the instability...
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| Veröffentlicht in: | Journal of visualization 2022-10, Vol.25 (5), p.1075-1083 |
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| creator | Katsumi, Toshiyuki Aung, Thwe Thwe Kadowaki, Satoshi |
| description | Lean combustion and inert-gas addition are useful to control the burning velocity of hydrogen premixed flames, and it is well known that the cellular structure forms on the front of lean hydrogen flames owing to intrinsic instability. However, the influences of inert-gas addition on the instability phenomena of lean hydrogen premixed flames are not understood fully, and then it is needed to investigate the flame instability experimentally. In the experiments, the cellular structure and fluctuation of premixed flames on a flat burner were obtained using direct observation, laser diagnostics and light emission intensity to elucidate the characteristics of instability phenomena. As the results, the correlations of inert-gas addition, equivalence ratio and total flow rate with the characteristics of cellular flames were revealed, and the influences of these parameters on flame instability were discussed.
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| doi_str_mv | 10.1007/s12650-022-00844-9 |
| format | Article |
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Graphical abstract</description><subject>Cellular structure</subject><subject>Classical and Continuum Physics</subject><subject>Combustion</subject><subject>Computer Imaging</subject><subject>Engineering</subject><subject>Engineering Fluid Dynamics</subject><subject>Engineering Thermodynamics</subject><subject>Equivalence ratio</subject><subject>Flame stability</subject><subject>Flow velocity</subject><subject>Heat and Mass Transfer</subject><subject>Hydrogen</subject><subject>Laser diagnostics</subject><subject>Light emission</subject><subject>Luminous intensity</subject><subject>Pattern Recognition and Graphics</subject><subject>Premixed flames</subject><subject>Regular Paper</subject><subject>Vision</subject><issn>1343-8875</issn><issn>1875-8975</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kM1LxDAQxYsouK7-A54CnuNOPtq0R1n8ggUvCt5Cmk53u7RNTbqw_e_NWsGbp3kM770Zfklyy-CeAahVYDxLgQLnFCCXkhZnyYLlKqV5odLzqIUUNI-Ly-QqhD0AZ1KxRfL52ofRlE3bjBMZdti7DntDXE1aND3ZTZV3W-xX7jidRtOjH-nWBDJ47JojVqRuTYeBuJ6Ykx5JefDRdZ1c1KYNePM7l8nH0-P7-oVu3p5f1w8barksRiqZUqoUvEyhFCo3NmeQGagrW2EmmAQUVWEZr0qsZV0BsjSztlIlMsstA7FM7ubewbuvA4ZR7118IJ7UXEGuMplJEV18dlnvQvBY68E3nfGTZqBPBPVMUEeC-oegLmJIzKEQzf0W_V_1P6lvH4N00Q</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Katsumi, Toshiyuki</creator><creator>Aung, Thwe Thwe</creator><creator>Kadowaki, Satoshi</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-9419-0540</orcidid></search><sort><creationdate>20221001</creationdate><title>Instability phenomena of lean hydrogen/oxygen/inert-gas premixed flames on a flat burner</title><author>Katsumi, Toshiyuki ; Aung, Thwe Thwe ; Kadowaki, Satoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c249t-41777b32b50b378ac8106a0fdcde63140e3d9c12dbef4fd0e156ccd7be1c2c103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Cellular structure</topic><topic>Classical and Continuum Physics</topic><topic>Combustion</topic><topic>Computer Imaging</topic><topic>Engineering</topic><topic>Engineering Fluid Dynamics</topic><topic>Engineering Thermodynamics</topic><topic>Equivalence ratio</topic><topic>Flame stability</topic><topic>Flow velocity</topic><topic>Heat and Mass Transfer</topic><topic>Hydrogen</topic><topic>Laser diagnostics</topic><topic>Light emission</topic><topic>Luminous intensity</topic><topic>Pattern Recognition and Graphics</topic><topic>Premixed flames</topic><topic>Regular Paper</topic><topic>Vision</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Katsumi, Toshiyuki</creatorcontrib><creatorcontrib>Aung, Thwe Thwe</creatorcontrib><creatorcontrib>Kadowaki, Satoshi</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of visualization</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Katsumi, Toshiyuki</au><au>Aung, Thwe Thwe</au><au>Kadowaki, Satoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Instability phenomena of lean hydrogen/oxygen/inert-gas premixed flames on a flat burner</atitle><jtitle>Journal of visualization</jtitle><stitle>J Vis</stitle><date>2022-10-01</date><risdate>2022</risdate><volume>25</volume><issue>5</issue><spage>1075</spage><epage>1083</epage><pages>1075-1083</pages><issn>1343-8875</issn><eissn>1875-8975</eissn><abstract>Lean combustion and inert-gas addition are useful to control the burning velocity of hydrogen premixed flames, and it is well known that the cellular structure forms on the front of lean hydrogen flames owing to intrinsic instability. However, the influences of inert-gas addition on the instability phenomena of lean hydrogen premixed flames are not understood fully, and then it is needed to investigate the flame instability experimentally. In the experiments, the cellular structure and fluctuation of premixed flames on a flat burner were obtained using direct observation, laser diagnostics and light emission intensity to elucidate the characteristics of instability phenomena. As the results, the correlations of inert-gas addition, equivalence ratio and total flow rate with the characteristics of cellular flames were revealed, and the influences of these parameters on flame instability were discussed.
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| subjects | Cellular structure Classical and Continuum Physics Combustion Computer Imaging Engineering Engineering Fluid Dynamics Engineering Thermodynamics Equivalence ratio Flame stability Flow velocity Heat and Mass Transfer Hydrogen Laser diagnostics Light emission Luminous intensity Pattern Recognition and Graphics Premixed flames Regular Paper Vision |
| title | Instability phenomena of lean hydrogen/oxygen/inert-gas premixed flames on a flat burner |
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