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    Effect of Relative Impeller-to-Volute Position on Hydraulic Efficiency and Static Radial Force Distribution in a Circular Volute Centrifugal Pump

    Source: Journal of Fluids Engineering:;2000:;volume( 122 ):;issue: 003::page 598
    Author:
    Daniel O. Baun
    ,
    Graduate Research Assistant and ROMAC Lab Engineer
    ,
    Lutz Köstner
    ,
    Project Engineer
    ,
    Ronald D. Flack
    ,
    Professor and Department Head
    DOI: 10.1115/1.1287852
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The hydraulic performance and radial hydraulic force characteristics of a circular volute centrifugal pump are strongly affected by the impeller to volute relative position. For a typical design configuration the geometric center of the impeller will be coincident with the volute geometric center. However, assembling a circular volute pump with the impeller center eccentric from the volute center can radically alter both the hydraulic performance and the radial hydraulic force characteristics. In particular, at the design flow coefficient an optimum impeller to volute relative position exists where the efficiency is maximized and the resultant radial force is minimized. At the optimal relative position a 5 percent and a 3.5 percent increase in the efficiency was realized compared to the centered positions for the circular and spiral volutes, respectively. In addition the nondimensional resultant radial force at the design flow coefficient was reduced from 0.045 at the centered position to 0.005 at the optimal position for the circular casing. This value of radial thrust is similar in magnitude to the radial thrust for the spiral volute operating at the design flow coefficient. By assembling a circular volute pump with the appropriate relative impeller to volute position the design simplicity of a circular volute can be utilized without compromising pump hydraulic performance or radial force characteristics as compared to a typical spiral volute. [S0098-2202(00)02303-8]
    keyword(s): Force , Flow (Dynamics) , Impellers , Centrifugal pumps , Pumps AND Design ,
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      Effect of Relative Impeller-to-Volute Position on Hydraulic Efficiency and Static Radial Force Distribution in a Circular Volute Centrifugal Pump

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    http://yetl.yabesh.ir/yetl1/handle/yetl/123865
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    • Journal of Fluids Engineering

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    contributor authorDaniel O. Baun
    contributor authorGraduate Research Assistant and ROMAC Lab Engineer
    contributor authorLutz Köstner
    contributor authorProject Engineer
    contributor authorRonald D. Flack
    contributor authorProfessor and Department Head
    date accessioned2017-05-09T00:02:41Z
    date available2017-05-09T00:02:41Z
    date copyrightSeptember, 2000
    date issued2000
    identifier issn0098-2202
    identifier otherJFEGA4-27154#598_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/123865
    description abstractThe hydraulic performance and radial hydraulic force characteristics of a circular volute centrifugal pump are strongly affected by the impeller to volute relative position. For a typical design configuration the geometric center of the impeller will be coincident with the volute geometric center. However, assembling a circular volute pump with the impeller center eccentric from the volute center can radically alter both the hydraulic performance and the radial hydraulic force characteristics. In particular, at the design flow coefficient an optimum impeller to volute relative position exists where the efficiency is maximized and the resultant radial force is minimized. At the optimal relative position a 5 percent and a 3.5 percent increase in the efficiency was realized compared to the centered positions for the circular and spiral volutes, respectively. In addition the nondimensional resultant radial force at the design flow coefficient was reduced from 0.045 at the centered position to 0.005 at the optimal position for the circular casing. This value of radial thrust is similar in magnitude to the radial thrust for the spiral volute operating at the design flow coefficient. By assembling a circular volute pump with the appropriate relative impeller to volute position the design simplicity of a circular volute can be utilized without compromising pump hydraulic performance or radial force characteristics as compared to a typical spiral volute. [S0098-2202(00)02303-8]
    publisherThe American Society of Mechanical Engineers (ASME)
    titleEffect of Relative Impeller-to-Volute Position on Hydraulic Efficiency and Static Radial Force Distribution in a Circular Volute Centrifugal Pump
    typeJournal Paper
    journal volume122
    journal issue3
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.1287852
    journal fristpage598
    journal lastpage605
    identifier eissn1528-901X
    keywordsForce
    keywordsFlow (Dynamics)
    keywordsImpellers
    keywordsCentrifugal pumps
    keywordsPumps AND Design
    treeJournal of Fluids Engineering:;2000:;volume( 122 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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