Improvements in the prediction of performance of centrifugal slurry pumps handling slurries

Gandhi, B. K.; Singh, Sumer; Seshadri, V.

doi:10.1243/0957650001538029

Cited by 12 publications

(11 citation statements)

References 9 publications

(23 reference statements)

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“…as the solid concentration of suspension increases, a relatively larger numbers of solid particles increases in the suspensions hence a large value of shear stress (particle-fluid and particle-particle) is required to start the shearing process. similar observation also drawn by [1,14,19,20] with fly ash slurry.…”

Section: Resultssupporting

confidence: 89%

“…it is found that the proportion of al 2 shows that these particles have high surface enrichment of al/si. high surface enrichment of al/si indicates that these particles causing drag effects on the flow behavior of the fly ash slurry [18][19][20]. Particle size distribution of bottom ash sample was evaluated using sieve analysis method.…”

Section: Properties Of Bottom Ashmentioning

confidence: 99%

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Measurement of Flow Characteristics for Multiparticulate Bottom Ash-water Suspension with Additives

Kumar¹,

Kumar²,

Gupta³

et al. 2017

JRST

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ABSTRACT:In the present work, Rheological characteristics of bottom ash was studied with and without addition of additives. Two additives were selected as Henko detergent and sodium sulfate. The additive added in bottom ash suspension with proportion of 0.2, 0.4 and 0.6% (by weight). The solid concentration of bottom ash suspension varied from 10 to 60% (by weight). Reduction in apparent viscosity is highly noticeable with addition of sodium sulfate as compared to Henko detergent.The investigation reveals that bottom ash suspension in above manner has a potential to transport in slurry pipeline with minimum energy consumptions.

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Section: Resultssupporting

confidence: 89%

Section: Properties Of Bottom Ashmentioning

confidence: 99%

Measurement of Flow Characteristics for Multiparticulate Bottom Ash-water Suspension with Additives

Kumar¹,

Kumar²,

Gupta³

et al. 2017

JRST

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“…A Perspex pipe (8) is placed at the end of the pump delivery piping system to visualize the pu mp output flow mixture. Pu mp flow rate is measured using turbine flow meter (7). A frequency inverter is emp loyed in order to have the ability to control and varied the pump operating speed, if needed.…”

Section: Experimental Apparatus and Instrumentationmentioning

confidence: 99%

“…Sellg ren et al [6] showed that the addition of clay to sand slurries has been found to reduce the pipeline friction losses, thus lowering the required energy consumption. Gandhi et al [7] presented a methodology based on a loss analysis procedure to predict the performance of centrifugal slurry pu mps handling solid-liquid mixtures.…”

Section: Introductionmentioning

confidence: 99%

Performance Characteristics of Centrifugal Pump Conveying Soft Slurry

Khalil¹,

Kassab²,

Naby³

et al. 2013

AJME

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The present experimental study deals with the effect of varying different soft slurry concentrations ranging from 0 to 18 % by weight on the performance characteristic of a centrifugal pump. Experimental results are presented for pump performance (head, overall efficiency and electrical power input) as a function of the flow rate. In addition the pump performance is predicted by general empirical correlations, using the obtained experimental data as function of the soft slurry concentration used in the present study. Within the operating range of the considered parameters, the obtained results show that the head and the efficiency of a centrifugal pu mp with soft slurry are lower in comparison to water due to the presence of soft slurry. The head and the efficiency of a centrifugal pump decrease with increase in slurry concentration by weight and specific gravity. Power consumption on the other hand increases with the increase in soft slurry concentrations and specific gravity.

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“…They observed that the addition of clay to sand led to a reduction in pipe line friction losses, thus lowering the pumping head and power consumption. Gandhi, et al [12] developed a methodology based on a loss analysis procedure to predict the performance of centrifugal pumps handling slurries. Their methodology accounts for the constructional differences of the slurry pump when compared with the pure liquid pump.…”

mentioning

confidence: 99%

Effect of Solid Concentration on a Centrifugal Pump Performance

Selim

El-kad

Hosien

et al. 2007

ERJ. Engineering Research Journal

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Study on s l n q pump performance has attracted much interest in many engineering fields. The influence of solids concentration on a pump operation has been investigated over the decades. When pumps are required to handle slurries, the pump head and efficiency are mainly affected by the solid size, solid concenmtion and solid density. The experiments were conducted with water, sand sluny, and clay sluny at operating pump speed. Measurements of power consumption, flow rate, total head developed by the pump and the density of the sluny were made in order to obtain the characteristic curves of the pump. The results have shown that the values of head generated by the pump and its efficiency are not only dependent on solid concentration but are also affected by particle size distribution of the solids and properties of the sluny.

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Improvements in the prediction of performance of centrifugal slurry pumps handling slurries

Cited by 12 publications

References 9 publications

Measurement of Flow Characteristics for Multiparticulate Bottom Ash-water Suspension with Additives

Measurement of Flow Characteristics for Multiparticulate Bottom Ash-water Suspension with Additives

Performance Characteristics of Centrifugal Pump Conveying Soft Slurry

Effect of Solid Concentration on a Centrifugal Pump Performance

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