جلد 17، شماره 4 - ( 8-1385 )                   جلد 17 شماره 4 صفحات 53-60 | برگشت به فهرست نسخه ها


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ShojaeeFard M H, Boyaghchi F A, Ehghaghi M B. Experimental Study and Three-Dimensional Numerical Flow Simulation in a Centrifugal Pump when Handling Viscous Fluids . IJIEPR. 2006; 17 (4) :53-60
URL: http://ijiepr.iust.ac.ir/article-1-116-fa.html
Experimental Study and Three-Dimensional Numerical Flow Simulation in a Centrifugal Pump when Handling Viscous Fluids . نشریه بین المللی مهندسی صنایع و تحقیقات تولید. 1385; 17 (4) :53-60

URL: http://ijiepr.iust.ac.ir/article-1-116-fa.html


چکیده:   (41506 مشاهده)

In this paper the centrifugal pump performances are tested when handling water and viscous oils as Newtonian fluids. Also, this paper shows a numerical simulation of the three-dimensional fluid flow inside a centrifugal pump. For these numerical simulations the SIMPLEC algorithm is used for solving governing equations of incompressible viscous/turbulent flows through the pump. The k-ε turbulence model is adopted to describe the turbulent flow process. These simulations have been made with a steady calculation using the multiple reference frames (MRF) technique to take into account the impeller- volute interaction. Numerical results are compared with the experimental characteristic curve for each viscous fluid. The data obtained allow the analysis of the main phenomena existent in this pump, such as: head, efficiency and power changes for different operating conditions. Also, the correction factors for oils are obtained from the experiment for part loading (PL), best efficiency point (BEP) and over loading (OL). These results are compared with proposed factors by American Hydraulic Institute (HIS) and Soviet :::union::: (USSR). The comparisons between the numerical and experimental results show good agreement.

     
نوع مطالعه: پژوهشي | موضوع مقاله: Material Managment
دریافت: ۱۳۸۹/۴/۲۸

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