Rotating Choke and Choked Surge in an Axial Pump Impeller
Unlike usual turbopump inducers, the axial flow pump tested operates very stably at design flow rate without rotating cavitation nor cavitation surge. Flow visualization suggests that this is because the tip cavity smoothly extends into the flow passage without the interaction with the leading edge...
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| Veröffentlicht in: | International journal of fluid machinery and systems 2009-01, Vol.2 (3), p.232-238 |
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| container_end_page | 238 |
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| container_issue | 3 |
| container_start_page | 232 |
| container_title | International journal of fluid machinery and systems |
| container_volume | 2 |
| creator | Watanabe, Toshifumi Sato, Hideyoshi Henmi, Yasuhiko Horiguchi, Hironori Kawata, Yutaka Tsujimoto, Yoshinobu |
| description | Unlike usual turbopump inducers, the axial flow pump tested operates very stably at design flow rate without rotating cavitation nor cavitation surge. Flow visualization suggests that this is because the tip cavity smoothly extends into the flow passage without the interaction with the leading edge of the next blade. However, at low flow rate and low cavitation number, choked surge and rotating choke were observed. Their correlation with the performance curve under cavitation is discussed and their instantaneous flow fields are shown. |
| doi_str_mv | 10.5293/IJFMS.2009.2.3.232 |
| format | Article |
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Flow visualization suggests that this is because the tip cavity smoothly extends into the flow passage without the interaction with the leading edge of the next blade. However, at low flow rate and low cavitation number, choked surge and rotating choke were observed. 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Their correlation with the performance curve under cavitation is discussed and their instantaneous flow fields are shown.</description><subject>Axial flow pumps</subject><subject>Cavitation</subject><subject>Chokes</subject><subject>Correlation</subject><subject>Flow rate</subject><subject>Pump impellers</subject><subject>Rotating</subject><subject>Surges</subject><issn>1882-9554</issn><issn>1882-9554</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpNkD1PwzAYhC0EEqXwB5i8MSXYr-PU71hVFIKKQBRmy3XsEsgXdiPBvyelDEx3Op1Op4eQS85SCSiui_vlwzoFxjCFVKQg4IhMuFKQoJTZ8T9_Ss5ifGcsVwhyQvC525ld1W7p4q37cNS05cGVdD2EraNVO2Z0_lWZmj4NTU-Lpnd17cI5OfGmju7iT6fkdXnzsrhLVo-3xWK-SqwQEhJnSzTcqg3fIMuczxkaoZjIzYxvpOcINuMzLjFTM8DMGlYqaZV3SnqD6MWUXB12-9B9Di7udFNFO14wreuGqJXgwCTLcWzCoWlDF2NwXvehakz41pzpPSb9i0nvMWnQQo-YxA-T0ll7</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>Watanabe, Toshifumi</creator><creator>Sato, Hideyoshi</creator><creator>Henmi, Yasuhiko</creator><creator>Horiguchi, Hironori</creator><creator>Kawata, Yutaka</creator><creator>Tsujimoto, Yoshinobu</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope></search><sort><creationdate>20090101</creationdate><title>Rotating Choke and Choked Surge in an Axial Pump Impeller</title><author>Watanabe, Toshifumi ; Sato, Hideyoshi ; Henmi, Yasuhiko ; Horiguchi, Hironori ; Kawata, Yutaka ; Tsujimoto, Yoshinobu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3352-ecd9a1c8b1b904ef609a38036a71b5f192c417159487294ca0d85c8fe85fa99f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Axial flow pumps</topic><topic>Cavitation</topic><topic>Chokes</topic><topic>Correlation</topic><topic>Flow rate</topic><topic>Pump impellers</topic><topic>Rotating</topic><topic>Surges</topic><toplevel>online_resources</toplevel><creatorcontrib>Watanabe, Toshifumi</creatorcontrib><creatorcontrib>Sato, Hideyoshi</creatorcontrib><creatorcontrib>Henmi, Yasuhiko</creatorcontrib><creatorcontrib>Horiguchi, Hironori</creatorcontrib><creatorcontrib>Kawata, Yutaka</creatorcontrib><creatorcontrib>Tsujimoto, Yoshinobu</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><jtitle>International journal of fluid machinery and systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Watanabe, Toshifumi</au><au>Sato, Hideyoshi</au><au>Henmi, Yasuhiko</au><au>Horiguchi, Hironori</au><au>Kawata, Yutaka</au><au>Tsujimoto, Yoshinobu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rotating Choke and Choked Surge in an Axial Pump Impeller</atitle><jtitle>International journal of fluid machinery and systems</jtitle><date>2009-01-01</date><risdate>2009</risdate><volume>2</volume><issue>3</issue><spage>232</spage><epage>238</epage><pages>232-238</pages><issn>1882-9554</issn><eissn>1882-9554</eissn><abstract>Unlike usual turbopump inducers, the axial flow pump tested operates very stably at design flow rate without rotating cavitation nor cavitation surge. Flow visualization suggests that this is because the tip cavity smoothly extends into the flow passage without the interaction with the leading edge of the next blade. However, at low flow rate and low cavitation number, choked surge and rotating choke were observed. Their correlation with the performance curve under cavitation is discussed and their instantaneous flow fields are shown.</abstract><doi>10.5293/IJFMS.2009.2.3.232</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | International journal of fluid machinery and systems, 2009-01, Vol.2 (3), p.232-238 |
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| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Axial flow pumps Cavitation Chokes Correlation Flow rate Pump impellers Rotating Surges |
| title | Rotating Choke and Choked Surge in an Axial Pump Impeller |
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