Velocity Distributions in the Impeller Passages of Centrifugal Pumps : Effects of Outlet Edge Shape of the Impeller Blades on the Pump Performance
Performance of a centrifugal pump was examined experimentally when the trailing edges of the impeller blades were designed in various shapes, and the change in the pump performance was discussed in relation to the velocity variation due to the shape changes. Sharpening of the blade on its pressure o...
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| Veröffentlicht in: | Bulletin of JSME 1985, Vol.28(243), pp.1963-1969 |
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| container_end_page | 1969 |
|---|---|
| container_issue | 243 |
| container_start_page | 1963 |
| container_title | Bulletin of JSME |
| container_volume | 28 |
| creator | KIKUYAMA, Koji MURAKAMI, Mitsukiyo ASAKURA, Eiji OSUKA, Isao LlU, Jinsheng |
| description | Performance of a centrifugal pump was examined experimentally when the trailing edges of the impeller blades were designed in various shapes, and the change in the pump performance was discussed in relation to the velocity variation due to the shape changes. Sharpening of the blade on its pressure or suction side caused a change in the exit flow angle as well as a decrease in the meridian component of velocity, and an increase in the pump head was brought about. The increase was more pronounced in the pump with impeller blades sharpened on the suction side edge due to a larger increase in Cu2. A relationship between the increase in the pump head and the blade edge sharpening was investigated experimentally and a simple theory to predict it is presented. |
| doi_str_mv | 10.1299/jsme1958.28.1963 |
| format | Article |
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Sharpening of the blade on its pressure or suction side caused a change in the exit flow angle as well as a decrease in the meridian component of velocity, and an increase in the pump head was brought about. The increase was more pronounced in the pump with impeller blades sharpened on the suction side edge due to a larger increase in Cu2. A relationship between the increase in the pump head and the blade edge sharpening was investigated experimentally and a simple theory to predict it is presented.</description><identifier>ISSN: 0021-3764</identifier><identifier>EISSN: 1881-1426</identifier><identifier>DOI: 10.1299/jsme1958.28.1963</identifier><language>eng</language><publisher>Tokyo: The Japan Society of Mechanical Engineers</publisher><subject>Applied sciences ; Blade Edge Cut Down ; Centrifugal Pump ; Exact sciences and technology ; Fluid Machine ; Head Coefficient ; Mechanical engineering. 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Machine design</subject><subject>Pump and compressors (turbocompressors, fans, etc.)</subject><subject>Pump Performance</subject><subject>Velocity Distribution</subject><issn>0021-3764</issn><issn>1881-1426</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><recordid>eNpVkMtOwzAQRS0EEuWxZ-kF2xTbSZOYHZQClSpRicc2mtjjNpXzkO0u-ht8MQmFSl2NNHPvmZlLyA1nYy6kvNv4Grmc5GORj7lM4xMy4nnOI56I9JSMGBM8irM0OScX3m8YS-RkIkbk-wttq6qwo0-VD64qt6FqG0-rhoY10nndobXo6BK8hxV62ho6xaZXmu0KLF1u687TezozBlX4Hb9tg8VAZ3qF9H0NHQ7NI9ijBT2g9jsGBF2iM62roVF4Rc4MWI_Xf_WSfD7PPqav0eLtZT59WEQqliKOylRPuDG6_0yqzJRJqYViSZb1TVGaTGuNMhOxBshECjJXKDWKEjSH_vc8viRsz1Wu9d6hKTpX1eB2BWfFkGnxn2kh8mLItLfc7i0deAXWuP7eyh98eSoFT1gvm-9lGx_60A5zcKFSFo-4Ion_y7DioFFrcAU28Q8y4JP7</recordid><startdate>1985</startdate><enddate>1985</enddate><creator>KIKUYAMA, Koji</creator><creator>MURAKAMI, Mitsukiyo</creator><creator>ASAKURA, Eiji</creator><creator>OSUKA, Isao</creator><creator>LlU, Jinsheng</creator><general>The Japan Society of Mechanical Engineers</general><general>Japan Society of Mechanical Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>1985</creationdate><title>Velocity Distributions in the Impeller Passages of Centrifugal Pumps : Effects of Outlet Edge Shape of the Impeller Blades on the Pump Performance</title><author>KIKUYAMA, Koji ; MURAKAMI, Mitsukiyo ; ASAKURA, Eiji ; OSUKA, Isao ; LlU, Jinsheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3923-b6d51ffd0029c7fb4bd2c04771ff2bf7ddde9723daa726a98ce9de2bad1a95583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>Applied sciences</topic><topic>Blade Edge Cut Down</topic><topic>Centrifugal Pump</topic><topic>Exact sciences and technology</topic><topic>Fluid Machine</topic><topic>Head Coefficient</topic><topic>Mechanical engineering. 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| fulltext | fulltext |
| identifier | ISSN: 0021-3764 |
| ispartof | Bulletin of JSME, 1985, Vol.28(243), pp.1963-1969 |
| issn | 0021-3764 1881-1426 |
| language | eng |
| recordid | cdi_crossref_primary_10_1299_jsme1958_28_1963 |
| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Applied sciences Blade Edge Cut Down Centrifugal Pump Exact sciences and technology Fluid Machine Head Coefficient Mechanical engineering. Machine design Pump and compressors (turbocompressors, fans, etc.) Pump Performance Velocity Distribution |
| title | Velocity Distributions in the Impeller Passages of Centrifugal Pumps : Effects of Outlet Edge Shape of the Impeller Blades on the Pump Performance |
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