Experimental Analysis on Pressure Fluctuation Characteristics of a Centrifugal Pump with Vaned-Diffuser
Experimental measurements to analyze the pressure fluctuation performance of a centrifugal pump with a vaned-diffuser, which its specific speed is 190. Results indicate that the main cause of pressure fluctuation is the rotor-stator interference at the impeller outlet. The head of the pump with vane...
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| Veröffentlicht in: | Water (Basel) 2020-01, Vol.12 (1), p.126 |
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| creator | Liu, Houlin Xia, Ruichao Wang, Kai Jing, Yucheng He, Xianghui |
| description | Experimental measurements to analyze the pressure fluctuation performance of a centrifugal pump with a vaned-diffuser, which its specific speed is 190. Results indicate that the main cause of pressure fluctuation is the rotor-stator interference at the impeller outlet. The head of the pump with vaned-diffuser at the design flow rate is 15.03 m, and the efficiency of the pump with a vaned-diffuser at the design flow rate reaches 71.47%. Pressure fluctuation decreases gradually with increasing distance from the impeller outlet. Along with the increase of the flow rate, amplitude of pressure fluctuation decreases. The amplitude of pressure fluctuation at the measuring points near the diffusion section of the pump body is larger than other measuring points. The variation tendency of pressure fluctuation at P1–P10 is the same, while there are wide frequency bands with different frequencies. The dominant frequency of pressure fluctuation is the blade passing frequency. The rotor-stator interference between the impeller and the vaned-diffuser gives rise to the main signal source of pressure fluctuation. |
| doi_str_mv | 10.3390/w12010126 |
| format | Article |
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Results indicate that the main cause of pressure fluctuation is the rotor-stator interference at the impeller outlet. The head of the pump with vaned-diffuser at the design flow rate is 15.03 m, and the efficiency of the pump with a vaned-diffuser at the design flow rate reaches 71.47%. Pressure fluctuation decreases gradually with increasing distance from the impeller outlet. Along with the increase of the flow rate, amplitude of pressure fluctuation decreases. The amplitude of pressure fluctuation at the measuring points near the diffusion section of the pump body is larger than other measuring points. The variation tendency of pressure fluctuation at P1–P10 is the same, while there are wide frequency bands with different frequencies. The dominant frequency of pressure fluctuation is the blade passing frequency. The rotor-stator interference between the impeller and the vaned-diffuser gives rise to the main signal source of pressure fluctuation.</description><identifier>ISSN: 2073-4441</identifier><identifier>EISSN: 2073-4441</identifier><identifier>DOI: 10.3390/w12010126</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Centrifugal pumps ; Comparative analysis ; Design flow ; Diffusers ; Diffusion pumps ; Equipment and supplies ; Experiments ; Flow control ; Flow rates ; Flow velocity ; Frequencies ; Hydraulic measurements ; Impellers ; Mechanical properties ; Pressure ; Research methodology ; Rotors ; Simulation ; Stators ; Testing ; Vaned diffusers</subject><ispartof>Water (Basel), 2020-01, Vol.12 (1), p.126</ispartof><rights>COPYRIGHT 2020 MDPI AG</rights><rights>2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c331t-8874a14709b82fbd7e61d0baaa4441429b2ff25b06ebf4f796cfd7897fdcefde3</citedby><cites>FETCH-LOGICAL-c331t-8874a14709b82fbd7e61d0baaa4441429b2ff25b06ebf4f796cfd7897fdcefde3</cites><orcidid>0000-0002-2892-2117</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Liu, Houlin</creatorcontrib><creatorcontrib>Xia, Ruichao</creatorcontrib><creatorcontrib>Wang, Kai</creatorcontrib><creatorcontrib>Jing, Yucheng</creatorcontrib><creatorcontrib>He, Xianghui</creatorcontrib><title>Experimental Analysis on Pressure Fluctuation Characteristics of a Centrifugal Pump with Vaned-Diffuser</title><title>Water (Basel)</title><description>Experimental measurements to analyze the pressure fluctuation performance of a centrifugal pump with a vaned-diffuser, which its specific speed is 190. Results indicate that the main cause of pressure fluctuation is the rotor-stator interference at the impeller outlet. The head of the pump with vaned-diffuser at the design flow rate is 15.03 m, and the efficiency of the pump with a vaned-diffuser at the design flow rate reaches 71.47%. Pressure fluctuation decreases gradually with increasing distance from the impeller outlet. Along with the increase of the flow rate, amplitude of pressure fluctuation decreases. The amplitude of pressure fluctuation at the measuring points near the diffusion section of the pump body is larger than other measuring points. The variation tendency of pressure fluctuation at P1–P10 is the same, while there are wide frequency bands with different frequencies. The dominant frequency of pressure fluctuation is the blade passing frequency. The rotor-stator interference between the impeller and the vaned-diffuser gives rise to the main signal source of pressure fluctuation.</description><subject>Centrifugal pumps</subject><subject>Comparative analysis</subject><subject>Design flow</subject><subject>Diffusers</subject><subject>Diffusion pumps</subject><subject>Equipment and supplies</subject><subject>Experiments</subject><subject>Flow control</subject><subject>Flow rates</subject><subject>Flow velocity</subject><subject>Frequencies</subject><subject>Hydraulic measurements</subject><subject>Impellers</subject><subject>Mechanical properties</subject><subject>Pressure</subject><subject>Research methodology</subject><subject>Rotors</subject><subject>Simulation</subject><subject>Stators</subject><subject>Testing</subject><subject>Vaned diffusers</subject><issn>2073-4441</issn><issn>2073-4441</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpNUMtKA0EQHETBoDn4BwOePGyc176OYU1UCJiDel1mZ3uSCZvddR7E_L0TImL3oZumqugqhO4omXFekscDZYQSyrILNGEk54kQgl7-26_R1LkdiSXKokjJBG0W3yNYs4feyw7Pe9kdnXF46PHagnPBAl52QfkgvYnHaiutVD4ynDcq4jSWuIpka3TYRIV12I_4YPwWf8oe2uTJaB0c2Ft0pWXnYPo7b9DHcvFevSSrt-fXar5KFOfUJ0WRC0lFTsqmYLppc8hoSxop5el9wcqGac3ShmTQaKHzMlO6zYsy160C3QK_Qfdn3dEOXwGcr3dDsNGWq1makjQ6ZzSiZmdUfBlq0-vBR1uxW9gbNfSgTbzPC0pSSniaRsLDmaDs4JwFXY8xNGmPNSX1Kfv6L3v-A2uWdxk</recordid><startdate>20200101</startdate><enddate>20200101</enddate><creator>Liu, Houlin</creator><creator>Xia, Ruichao</creator><creator>Wang, Kai</creator><creator>Jing, Yucheng</creator><creator>He, Xianghui</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0002-2892-2117</orcidid></search><sort><creationdate>20200101</creationdate><title>Experimental Analysis on Pressure Fluctuation Characteristics of a Centrifugal Pump with Vaned-Diffuser</title><author>Liu, Houlin ; Xia, Ruichao ; Wang, Kai ; Jing, Yucheng ; He, Xianghui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-8874a14709b82fbd7e61d0baaa4441429b2ff25b06ebf4f796cfd7897fdcefde3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Centrifugal pumps</topic><topic>Comparative analysis</topic><topic>Design flow</topic><topic>Diffusers</topic><topic>Diffusion pumps</topic><topic>Equipment and supplies</topic><topic>Experiments</topic><topic>Flow control</topic><topic>Flow rates</topic><topic>Flow velocity</topic><topic>Frequencies</topic><topic>Hydraulic measurements</topic><topic>Impellers</topic><topic>Mechanical properties</topic><topic>Pressure</topic><topic>Research methodology</topic><topic>Rotors</topic><topic>Simulation</topic><topic>Stators</topic><topic>Testing</topic><topic>Vaned diffusers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Houlin</creatorcontrib><creatorcontrib>Xia, Ruichao</creatorcontrib><creatorcontrib>Wang, Kai</creatorcontrib><creatorcontrib>Jing, Yucheng</creatorcontrib><creatorcontrib>He, Xianghui</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Water (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Houlin</au><au>Xia, Ruichao</au><au>Wang, Kai</au><au>Jing, Yucheng</au><au>He, Xianghui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental Analysis on Pressure Fluctuation Characteristics of a Centrifugal Pump with Vaned-Diffuser</atitle><jtitle>Water (Basel)</jtitle><date>2020-01-01</date><risdate>2020</risdate><volume>12</volume><issue>1</issue><spage>126</spage><pages>126-</pages><issn>2073-4441</issn><eissn>2073-4441</eissn><abstract>Experimental measurements to analyze the pressure fluctuation performance of a centrifugal pump with a vaned-diffuser, which its specific speed is 190. Results indicate that the main cause of pressure fluctuation is the rotor-stator interference at the impeller outlet. The head of the pump with vaned-diffuser at the design flow rate is 15.03 m, and the efficiency of the pump with a vaned-diffuser at the design flow rate reaches 71.47%. Pressure fluctuation decreases gradually with increasing distance from the impeller outlet. Along with the increase of the flow rate, amplitude of pressure fluctuation decreases. The amplitude of pressure fluctuation at the measuring points near the diffusion section of the pump body is larger than other measuring points. The variation tendency of pressure fluctuation at P1–P10 is the same, while there are wide frequency bands with different frequencies. The dominant frequency of pressure fluctuation is the blade passing frequency. The rotor-stator interference between the impeller and the vaned-diffuser gives rise to the main signal source of pressure fluctuation.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/w12010126</doi><orcidid>https://orcid.org/0000-0002-2892-2117</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Centrifugal pumps Comparative analysis Design flow Diffusers Diffusion pumps Equipment and supplies Experiments Flow control Flow rates Flow velocity Frequencies Hydraulic measurements Impellers Mechanical properties Pressure Research methodology Rotors Simulation Stators Testing Vaned diffusers |
| title | Experimental Analysis on Pressure Fluctuation Characteristics of a Centrifugal Pump with Vaned-Diffuser |
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