CFD Analysis of Double Suction Centrifugal Pump with Double Volute

Vyavahare, Pranav; Rao, Lokavarapu Bhaskara; Patil, Nilesh

doi:10.3311/ppme.11425

Cited by 5 publications

(3 citation statements)

References 6 publications

(11 reference statements)

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“…The impeller is the main component determining the pump performance. The impeller that is designed in this paper is for a double suction centrifugal pump that can provide a rate of 0,15 m 3 /s flow in the working conditions whose head is 20 m. The impeller dimensions are designed based on the head [6,7,8], flow rate and triangle of velocities ( Figure 3). The absolute velocity at the inlet and outlet of impeller (c) is composed by tangential velocity (u) and the relative velocity (w) .…”

Section: Design Methodology Of Impellermentioning

confidence: 99%

Design and flow simulation for a centrifugal pump with double suction impeller

Năstase

2018

MATEC Web Conf.

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Centrifugal pump is a hydraulic machine that is used to transport fluids by the conversion of rotational kinetic energy of impeller into the hydrodynamic energy of the fluid flow. The double-suction centrifugal pump are used for conveyance of a large quantity of water and have wide application due to its stable running, for the balance of axial thrust through by the double suction in impeller, and for a convenient maintenance. Because the design of the centrifugal pump impeller is not a universally standardized one and depends on designer's experience and its technical intuition, in this paper is presented a methodology of design and the fluid flow simulation throughout impeller.

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Section: Design Methodology Of Impellermentioning

confidence: 99%

Design and flow simulation for a centrifugal pump with double suction impeller

Năstase

2018

MATEC Web Conf.

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“…Rong et al [19] used CFD to scrutinize centrifugal pump performance, demonstrating its superiority over empirical methods. Vyavahare et al [20] compared impeller velocity and pressure distribution using CFD and analytical predictions in a centrifugal pump. The methods of the above studies are of universal significance.…”

Section: Introductionmentioning

confidence: 99%

Optimization Determination Method for the Explicit Equation of Scraper Motion Quantity in an Elliptical Rotor Scraper Pump

Li,

Yin,

Zhang

et al. 2023

Machines

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Addressing the inherent drawbacks of conventional positive displacement pumps, such as complex structure, poor sealing, low volumetric efficiency, and high noise, an innovative design of an elliptical rotor scraper pump (ERSP) was proposed. By segregating the pump chamber into high-pressure and low-pressure cavities, the scraper minimizes operational noise and significantly improves volumetric efficiency. To analyze the motion state of the ERSP, a mathematical model was established, determining the coordinated movement between the scraper and rotor using different optimization methods. The equations of coordinated action were derived and validated with relevant software through constraints applied to three algorithms and polynomial fitting. The flow field model of the ERSP was defined based on the established coordinated movement equation, and computational fluid dynamics (CFD) simulations were conducted to analyze pressure and velocity fields within the pump. A prototype of the ERSP was fabricated and tested, confirming its feasibility and advantages in enhancing fluid pressure and flow speed. This study provides valuable insights into the dynamic characteristics and structural optimization of fluid rotor pumps, contributing to anticipating and resolving potential faults and promoting the development of fluid power machinery.

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“…The shaft tubular pump device has the advantages of simple structure, excellent hydraulic performance, easy installation, and maintenance, and good conditions of ventilation and heat dispersion; it is applied widely in the extra-low head pumping stations [21][22][23]. The method of computational fluid dynamics (CFD) is used widely in the aspects of internal flow and performance prediction of the water turbine, pump and pump device [24][25][26][27]. In order to improve the pump device efficiency under the low head and large discharge conditions, hydraulic characteristics of the shaft tubular pump device with two guide vane inlet angles will be studied using the method of numerical simulation.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Energy Performance of Shaft Tubular Pump Device at Two Guide Vane Inlet Angles

et al. 2022

Processes

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In order to improve the pump device efficiency of the frequent operating condition of the extra-low head pumping station, the energy performance of the front-positioned shaft tubular pump device at two guide vane inlet angles has been researched. Based on the function of the guide vane in the pump device, the guide vane blades are divided into three parts: the inlet section, the middle section, and the outlet section. Combining numerical simulation and model tests, the energy performance of the pump device with the inlet section angle adjusted to 0° and −12° were studied and compared, respectively. The research results indicate that the inlet section angle of the guide vane has a significant effect on the energy performance of the pump device. When the guide vane inlet section is adjusted clockwise, the pump device efficiency of the optimal operating point—while the efficiency of the pump device at a low head and large discharge that deviate from the optimal operating point—will be improved. The farther the working condition deviates from the optimal operating point, the greater the influence. Within the scope of the working conditions studied in this paper, the pump device efficiency of the optimal operating point is reduced by about 2%, and the pump device efficiency in the low head and high flow conditions is increased by 5% at the maximum. Adjusting the inlet section angle of the guide vane, the flow pattern in the guide vane will be improved, and the hydraulic loss of the guide vane will be decreased, thus the pump device efficiency is increased. The numerical calculation results of the energy performance agree with the model test results; the maximum error of the pump device efficiency is less than 7%. Adjusting the angle of the inlet section of the guide vane has great significance to the hydraulic design and engineering application of the extra-low head pump device.

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CFD Analysis of Double Suction Centrifugal Pump with Double Volute

Cited by 5 publications

References 6 publications

Design and flow simulation for a centrifugal pump with double suction impeller

Design and flow simulation for a centrifugal pump with double suction impeller

Optimization Determination Method for the Explicit Equation of Scraper Motion Quantity in an Elliptical Rotor Scraper Pump

Comparison of Energy Performance of Shaft Tubular Pump Device at Two Guide Vane Inlet Angles

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