Effect of Cavitation inside Injection Nozzle on Spray Characteristics for Direct Injection (2nd Report : Relationship between Impact Acceleration and Liquid Jet for Various Concentrations of Dissolved Air in Test Liquid)
The objective of this study is to understand the effect of cavitation inside the injection nozzle on spray atomization for various nozzle geometries and injection conditions. In this paper, it was focused on the influence of impulsive acceleration derived from cavitation phenomenon on liquid jet eje...
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| Veröffentlicht in: | Nihon Kikai Gakkai rombunshuu. B hen 2013, Vol.79(806), pp.2160-2169 |
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| container_title | Nihon Kikai Gakkai rombunshuu. B hen |
| container_volume | 79 |
| creator | MATSUMOTO, Masashi INOUE, Yoshiya YASUTOMI, Yuka KOBASHI, Yoshimitsu MATSUMURA, Eriko KANDA, Mutsumi SENDA, Jiro |
| description | The objective of this study is to understand the effect of cavitation inside the injection nozzle on spray atomization for various nozzle geometries and injection conditions. In this paper, it was focused on the influence of impulsive acceleration derived from cavitation phenomenon on liquid jet ejected from test nozzle, which was magnified 25 times based on actual nozzle size and made of acrylic for internal flow visualization. The result from this study represents that the energy spectrum of impulsive acceleration with low frequency becomes large with increase in injection pressure, and it has relationship with surface fluctuation frequency of liquid jet ejected from nozzle exit. On the other hand, it looks no distinguished difference in cavitation length and width of liquid jet with increase in dissolved air concentration in test liquid under the same injection pressure condition, whereas the energy spectrum peak appears at different frequency range among each injection or dissolved air concentration. Therefore, it concludes that the impulsive acceleration energy by cavitation bubble collapse inside the nozzle hole has less effect on width of liquid jet. |
| doi_str_mv | 10.1299/kikaib.79.2160 |
| format | Article |
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In this paper, it was focused on the influence of impulsive acceleration derived from cavitation phenomenon on liquid jet ejected from test nozzle, which was magnified 25 times based on actual nozzle size and made of acrylic for internal flow visualization. The result from this study represents that the energy spectrum of impulsive acceleration with low frequency becomes large with increase in injection pressure, and it has relationship with surface fluctuation frequency of liquid jet ejected from nozzle exit. On the other hand, it looks no distinguished difference in cavitation length and width of liquid jet with increase in dissolved air concentration in test liquid under the same injection pressure condition, whereas the energy spectrum peak appears at different frequency range among each injection or dissolved air concentration. Therefore, it concludes that the impulsive acceleration energy by cavitation bubble collapse inside the nozzle hole has less effect on width of liquid jet.</description><identifier>ISSN: 0387-5016</identifier><identifier>EISSN: 1884-8346</identifier><identifier>DOI: 10.1299/kikaib.79.2160</identifier><language>eng ; jpn</language><publisher>The Japan Society of Mechanical Engineers</publisher><subject>Atomization ; Cavitation ; Impact Acceleration ; Multi-Phase Flow ; Nozzle</subject><ispartof>TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Vol.79(806), pp.2160-2169</ispartof><rights>2013 The Japan Society of Mechanical Engineers</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,4010,27900,27901,27902</link.rule.ids></links><search><creatorcontrib>MATSUMOTO, Masashi</creatorcontrib><creatorcontrib>INOUE, Yoshiya</creatorcontrib><creatorcontrib>YASUTOMI, Yuka</creatorcontrib><creatorcontrib>KOBASHI, Yoshimitsu</creatorcontrib><creatorcontrib>MATSUMURA, Eriko</creatorcontrib><creatorcontrib>KANDA, Mutsumi</creatorcontrib><creatorcontrib>SENDA, Jiro</creatorcontrib><title>Effect of Cavitation inside Injection Nozzle on Spray Characteristics for Direct Injection (2nd Report : Relationship between Impact Acceleration and Liquid Jet for Various Concentrations of Dissolved Air in Test Liquid)</title><title>Nihon Kikai Gakkai rombunshuu. B hen</title><addtitle>Trans.JSME, B</addtitle><description>The objective of this study is to understand the effect of cavitation inside the injection nozzle on spray atomization for various nozzle geometries and injection conditions. In this paper, it was focused on the influence of impulsive acceleration derived from cavitation phenomenon on liquid jet ejected from test nozzle, which was magnified 25 times based on actual nozzle size and made of acrylic for internal flow visualization. The result from this study represents that the energy spectrum of impulsive acceleration with low frequency becomes large with increase in injection pressure, and it has relationship with surface fluctuation frequency of liquid jet ejected from nozzle exit. On the other hand, it looks no distinguished difference in cavitation length and width of liquid jet with increase in dissolved air concentration in test liquid under the same injection pressure condition, whereas the energy spectrum peak appears at different frequency range among each injection or dissolved air concentration. Therefore, it concludes that the impulsive acceleration energy by cavitation bubble collapse inside the nozzle hole has less effect on width of liquid jet.</description><subject>Atomization</subject><subject>Cavitation</subject><subject>Impact Acceleration</subject><subject>Multi-Phase Flow</subject><subject>Nozzle</subject><issn>0387-5016</issn><issn>1884-8346</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNpNkUFv1DAQhS0EEqvSK2cf4ZDFieMk5rZKCyxagQSFazRxxnTaNA62W9T-Vn4MTlMKF3vkme959B5jL3OxzQut31zSJVC_rfW2yCvxhG3ypimzRpbVU7YRsqkzJfLqOTsOgXohqkqWslQb9vvUWjSRO8tbuKEIkdzEaQo0IN9PF6m3PHxyd3cj8lR9nT3c8vYcPJiInkIkE7h1np-QX5T-Qa-KaeBfcHY-8repGO_FwznNvMf4C3Hi-6s5yfCdMTiiXz-HRB3o5zUN_CPGe-nv4MldB966yeAU18GwLH1CIbjxBge-I5_25mcY4gP--gV7ZmEMePxwH7Fv707P2g_Z4fP7fbs7ZKYQWmRGWqmaAoWSSgvQfa9spdMhVK9ADg1ok1xSpWg0YD7UVQ-FUgjKKl0bKY_YdtU13oXg0Xazpyvwt10uuiWebo2nq3W3xJOAdgUuQoQf-DgOPrk54n_jjaj-Uo9dk8zvcJJ_AO1yoZw</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>MATSUMOTO, Masashi</creator><creator>INOUE, Yoshiya</creator><creator>YASUTOMI, Yuka</creator><creator>KOBASHI, Yoshimitsu</creator><creator>MATSUMURA, Eriko</creator><creator>KANDA, Mutsumi</creator><creator>SENDA, Jiro</creator><general>The Japan Society of Mechanical Engineers</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2013</creationdate><title>Effect of Cavitation inside Injection Nozzle on Spray Characteristics for Direct Injection (2nd Report : Relationship between Impact Acceleration and Liquid Jet for Various Concentrations of Dissolved Air in Test Liquid)</title><author>MATSUMOTO, Masashi ; INOUE, Yoshiya ; YASUTOMI, Yuka ; KOBASHI, Yoshimitsu ; MATSUMURA, Eriko ; KANDA, Mutsumi ; SENDA, Jiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2090-c3f3582e053590a9bb5f69b5f05b5a3d8a9cffe54089ae1d76ba255ea5f597c33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2013</creationdate><topic>Atomization</topic><topic>Cavitation</topic><topic>Impact Acceleration</topic><topic>Multi-Phase Flow</topic><topic>Nozzle</topic><toplevel>online_resources</toplevel><creatorcontrib>MATSUMOTO, Masashi</creatorcontrib><creatorcontrib>INOUE, Yoshiya</creatorcontrib><creatorcontrib>YASUTOMI, Yuka</creatorcontrib><creatorcontrib>KOBASHI, Yoshimitsu</creatorcontrib><creatorcontrib>MATSUMURA, Eriko</creatorcontrib><creatorcontrib>KANDA, Mutsumi</creatorcontrib><creatorcontrib>SENDA, Jiro</creatorcontrib><collection>CrossRef</collection><jtitle>Nihon Kikai Gakkai rombunshuu. B hen</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MATSUMOTO, Masashi</au><au>INOUE, Yoshiya</au><au>YASUTOMI, Yuka</au><au>KOBASHI, Yoshimitsu</au><au>MATSUMURA, Eriko</au><au>KANDA, Mutsumi</au><au>SENDA, Jiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Cavitation inside Injection Nozzle on Spray Characteristics for Direct Injection (2nd Report : Relationship between Impact Acceleration and Liquid Jet for Various Concentrations of Dissolved Air in Test Liquid)</atitle><jtitle>Nihon Kikai Gakkai rombunshuu. B hen</jtitle><addtitle>Trans.JSME, B</addtitle><date>2013</date><risdate>2013</risdate><volume>79</volume><issue>806</issue><spage>2160</spage><epage>2169</epage><pages>2160-2169</pages><issn>0387-5016</issn><eissn>1884-8346</eissn><abstract>The objective of this study is to understand the effect of cavitation inside the injection nozzle on spray atomization for various nozzle geometries and injection conditions. In this paper, it was focused on the influence of impulsive acceleration derived from cavitation phenomenon on liquid jet ejected from test nozzle, which was magnified 25 times based on actual nozzle size and made of acrylic for internal flow visualization. The result from this study represents that the energy spectrum of impulsive acceleration with low frequency becomes large with increase in injection pressure, and it has relationship with surface fluctuation frequency of liquid jet ejected from nozzle exit. On the other hand, it looks no distinguished difference in cavitation length and width of liquid jet with increase in dissolved air concentration in test liquid under the same injection pressure condition, whereas the energy spectrum peak appears at different frequency range among each injection or dissolved air concentration. Therefore, it concludes that the impulsive acceleration energy by cavitation bubble collapse inside the nozzle hole has less effect on width of liquid jet.</abstract><pub>The Japan Society of Mechanical Engineers</pub><doi>10.1299/kikaib.79.2160</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0387-5016 |
| ispartof | TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Vol.79(806), pp.2160-2169 |
| issn | 0387-5016 1884-8346 |
| language | eng ; jpn |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Atomization Cavitation Impact Acceleration Multi-Phase Flow Nozzle |
| title | Effect of Cavitation inside Injection Nozzle on Spray Characteristics for Direct Injection (2nd Report : Relationship between Impact Acceleration and Liquid Jet for Various Concentrations of Dissolved Air in Test Liquid) |
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