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- Title
ANALYSIS OF THE NUMBER AND ANGLE OF THE IMPELLER BLADE TO THE PERFORMANCE OF CENTRIFUGAL PUMP.
- Authors
Susilo, Sugeng Hadi; Setiawan, Agus
- Abstract
The paper discusses the performance of the pump in relation to the impeller. The impeller section is determined by the number and angle of the blades. Therefore, the purpose of this study was to analyze the role of the number and angle of impeller blades on the performance (discharge and discharge pressure) of centrifugal pumps based on experiments and simulations. The method used is experiment and simulation. Using a centrifugal pump type GWP 20/4 SW, Maximum Output: 6.5 HP/3500 rpm, Inlet/Outlet: 2 Inch, Dimensions: 475x375x370 mm. Experiments and simulations by varying the number of blades 2, 4, and 6 with a blade tilt angle of 130°, 150°, and 160°. For flow simulation using solid works program. The results show that pump performance is related to discharge pressure, impeller with 2-blades and an angle of 130° the pressure increases 0.45-2.45 bar, for 150° increases 0.14-2.96 bar, and 160° increases 0.29-3.07 bars. For a 4-blade impeller and an angle of 130°, the pressure increases by 0.48-3.12 bar, for 150° it increases by 0.39-3.39 bar, and for 160° it increases by 0.36-3.48 bar. While the impeller for 6-blades with an angle of 130° the pressure increases from 0.6 bar to 3.72 bar, for 150° increases from 1.36 to 4.34 bar, and 160° increases by 0.36-4.74 bar. While it related pump performance to flow rate, increasing the number of blades causes a decrease in flow rate. The highest flow rate is in a 2-blade impeller with a blade angle of 130° is 404.91 l/s. The lowest flow rate is on a 6-blade impeller with an angle of 160° is 279.66 l/s.
- Subjects
IMPELLERS; CENTRIFUGAL pumps; BLADES (Hydraulic machinery); GAS lasers; FLOW simulations
- Publication
EUREKA: Physics & Engineering, 2021, Issue 5, p62
- ISSN
2461-4254
- Publication type
Article
- DOI
10.21303/2461-4262.2021.002001