erosion wear on centrifugal pump casing due to slurry flow

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erosion wear on centrifugal pump casing due to slurry flow

Erosion wear on centrifugal pump casing due to slurry flow ...

2016-10-15 Fig. 1. Erosion wear on centrifugal pump casing at actual site. 2. Theoretical aspects. Erosion wear occurs due to the interaction between solid particles in the fluid stream and the pump׳s surface, through sliding and impact mechanisms. It depends on surface, erodent, and slurry properties as shown in Table 1.

Erosion wear on centrifugal pump casing due to slurry flow ...

3-D numerical erosion wear analysis performed for lime slurry flow through centrifugal pump casing. •. Erosion damage is the highest in the tongue and belly regions of the volute casing. •. Head and efficiency ratios both decrease with an increase in slurry particle concentration.

Erosion wear on centrifugal pump casing due to slurry flow ...

Centrifugal slurry pumps are widely used in the mining and dredging industries. However, the flow passage components in the pump can become severely worn due to their low speeds, high flow rates ...

(PDF) Erosion predictions for Centrifugal Pump casing

Erosion wear on centrifugal pump casing due to slurry flow. ... through pipelines where the need of head and flow rate is not high. Slurry erosion and cavitation are an

CFD Prediction of Erosion Wear in Centrifugal Slurry

for predicting slurry flow inside centrifugal pump casing. Lagrangian models were also developed by many researchers for prediction of erosion in pipes and elbows such as

225 CFD Prediction of Erosion Wear in Centrifugal Slurry ...

2021-7-9 The paper discusses numerical prediction of erosion wear trends in centrifugal pump casing pumping dilute slurries. The casing geometry is considered two-dimensional. Discrete Phase Model (DPM) in FLUENT 6.1® is utilized to obtain dilute slurry flow field through the pump casing employing two-way coupling. Standard k e model is used for ...

Erosion wear in slurry pumps and pipes - ScienceDirect

1987-3-1 Industrial results on centrifugal pump wear Results obtained for two dredge pumps in operation are presented in Figs. 12 and 14: (i) experimental and computational results on the erosion wear distribution in two pumps used by an American dredge company (Fig. 12); and (ii) the prediction of the operating life for the pump casing from a European ...

Numerical Investigation of Erosive Wear of a Centrifugal ...

2021-1-29 In this work, three-dimensional (3D) unsteady numerical modeling of a centrifugal slurry pump with Eulerian–Lagrangian approach coupled to the erosion model has been performed to predict the erosive wear of the pump components namely, casing and impeller.

A Prediction Method of Wear for Volute Casing of a ...

2020-12-18 Volute wall wear situations directly affect a long time safe operation for the centrifugal slurry pump unit and the whole system. In the present study, internal flow field is numerically investigated in a solid-liquid centrifugal pump, and the volute wall wear caused by the solid-liquid two-phase flow is predicted with wear equation. A systematic analysis on the wear mechanism of the ...

Influence of Cross-Sectional Flow Area of Annular Volute ...

2019-1-29 A A Noon, M H Kim. Erosion wear on centrifugal pump casing due to slurry flow. Wear, 2016, s364-365(2016): 103–111. Article Google Scholar [12] R Tarodiya,

CFD Prediction of Erosion Wear in Centrifugal Slurry

2011-12-1 The paper discusses numerical prediction of erosion wear trends in centrifugal pump casing pumping dilute slurries. The casing geometry is considered two-dimensional. Discrete Phase Model (DPM) in FLUENT 6.1® is utilized to obtain dilute slurry flow field through the pump casing employing two-way coupling.

Slurry Flow and Erosion Prediction in a Centrifugal Pump ...

After long-term operation, the material loss due to slurry erosion often leads to significant changes in the impeller geometry. This change can, in turn, affect the flow characteristics and the erosion mechanism in a centrifugal pump. To investigate this matter, we

Wear in Centrifugal Pumps Pumps Systems

2019-12-26 Centrifugal pumps are sometimes used in environments where the pumped product contains suspended solids. While some pumps are specifically designed for solid handling or slurry applications, normal centrifugal pumps do not contain features to

A Prediction Method of Wear for Volute Casing of a ...

2020-12-18 Volute wall wear situations directly affect a long time safe operation for the centrifugal slurry pump unit and the whole system. In the present study, internal flow field is numerically investigated in a solid-liquid centrifugal pump, and the volute wall wear caused by the solid-liquid two-phase flow is predicted with wear equation. A systematic analysis on the wear mechanism of the ...

A Prediction Method of Wear for Volute Casing of a ...

2020-12-18 the wear equation put forward in the present study is eﬀective for estimating the erosion intensity and predicting the erosion area around the volute casing of a centrifugal pump. 1. Introduction When the two-phase centrifugal pump runs in a high speed rotation, the

Slurry Flow and Erosion Prediction in a Centrifugal Pump ...

After long-term operation, the material loss due to slurry erosion often leads to significant changes in the impeller geometry. This change can, in turn, affect the flow characteristics and the erosion mechanism in a centrifugal pump. To investigate this matter, we

Experimental investigation of centrifugal slurry pump ...

2019-9-15 However, due to the complex nature of flow inside the centrifugal slurry pump, the particle flow field may not be uniform along the width of the casing and therefore, the average erosion profile may show different erosion behaviour with operating conditions as compared to the localized erosion profile.

Erosion Estimation for the Impeller Blades of Centrifugal ...

The focus of the project is on developing, validating and demonstrating a numerical model capable of estimating the erosion wear due to slurry flow on the impeller blades of a centrifugal dredge pump by using Computational Fluid Dynamics (CFD).

Influence of Cross-Sectional Flow Area of Annular Volute ...

2019-1-29 A A Noon, M H Kim. Erosion wear on centrifugal pump casing due to slurry flow. Wear, 2016, s364-365(2016): 103–111. Article Google Scholar [12] R Tarodiya, B K Gandhi. Hydraulic performance and erosive wear of centrifugal slurry pumps – A

Numerical Study of Solid Particle Erosion in a Centrifugal ...

2019-6-3 Erosion prediction in centrifugal pump is complex because the flow field inside it is three-dimensional (3D) unsteady and erosion can be affected by numerous factors. In this study, solid particle erosion of the entire centrifugal pump for liquid–solid flow is investigated numerically.

Slurry Flow and Erosion Prediction in a Centrifugal Pump ...

After long-term operation, the material loss due to slurry erosion often leads to significant changes in the impeller geometry. This change can, in turn, affect the flow characteristics and the erosion mechanism in a centrifugal pump. To investigate this matter, we

Wear in Centrifugal Pumps Pumps Systems

2019-12-26 Centrifugal pumps are sometimes used in environments where the pumped product contains suspended solids. While some pumps are specifically designed for solid handling or slurry applications, normal centrifugal pumps do not contain features to

Diagnosis of wear patterns in centrifugal slurry pumps ...

2018-6-8 Diagnosis of wear patterns in centrifugal slurry pumps. In a mineral processing plant the slurry pumps are subject to wear due to erosion, abrasion and corrosion. This causes loss of material from the surface of the part. Eventually the pump will be unable to perform either due to holing of the casing or severe reduction in pumping head.

Slurry Flow and Erosion Prediction in a Centrifugal Pump ...

After long-term operation, the material loss due to slurry erosion often leads to significant changes in the impeller geometry. This change can, in turn, affect the flow characteristics and the erosion mechanism in a centrifugal pump. To investigate this matter, we

A Prediction Method of Wear for Volute Casing of a ...

2020-12-18 the wear equation put forward in the present study is eﬀective for estimating the erosion intensity and predicting the erosion area around the volute casing of a centrifugal pump. 1. Introduction When the two-phase centrifugal pump runs in a high speed rotation, the

Predictive Erosion Model for Mixed Flow Centrifugal Pump ...

2019-3-27 Predictive Erosion Model for Mixed Flow Centrifugal Pump Sahand Pirouzpanah, Sahand Pirouzpanah Department of Mechanical Engineering, 3123 . Texas AM University, College Station, TX 77843. ... Erosion Wear on Centrifugal Pump Casing Due to Slurry Flow,” Wear, 364–365, pp. ...

Erosion Estimation for the Impeller Blades of Centrifugal ...

The focus of the project is on developing, validating and demonstrating a numerical model capable of estimating the erosion wear due to slurry flow on the impeller blades of a centrifugal dredge pump by using Computational Fluid Dynamics (CFD).

Effective Particle Size Representation for Erosion Wear in ...

2017-10-24 Numerical Investigation of Erosive Wear of a Centrifugal Slurry Pump Due to Solid–Liquid Flow J. Tribol (October,2021) Particle Size Effects on Slurry Erosion of 5117 steels

Effect of Particle Size Distribution on Erosion Wear in ...

2013-12-13 Erosion wear due to particle impact and sliding abrasion is then calculated using empirically determined (particle-size dependent) wear rate coefficients to relate the erosion wear to the local flow field properties. Wear rate predictions are compared for (a) multi-size, (b) D50 mono-size of the slurry, (c) the concentration-weighted mono-size ...

Study on Wear Properties of the Flow Parts in a ...

By using EDEM–Fluent codes and coupling the continuous fluid medium with a solid particle discrete element, the solid–liquid two-phase flow field in a centrifugal pump was simulated under the same inlet conditions of the particle volume fraction and three flow conditions of 0.7Qd, 1.0Qd and 1.3Qd. By introducing the Archard wear model, the wear was calculated, and the wear law was obtained ...