Water-soluble polymer-induced drag reduction and flow patterns for oil–water flows in return bend

Ayegba, Paul Onubi; Edomwonyi‐Otu, Lawrence C.; Abubakar, Abdulkareem; Yusuf, Nurudeen

doi:10.1007/s00396-021-04851-4

Cited by 2 publications

(2 citation statements)

References 54 publications

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“…However, among these agents, DRPs have been considered the most efficient 19 . Additionally, a literature survey of the published work on DRPs in multi-phase flow pipelines assured the growing interest 19 – 25 . In addition to drag reduction, the aforementioned studies reported that DRPs can change the configurations of the co-existing phases.…”

Section: Introductionmentioning

confidence: 99%

“…They found that the DRP could extend the transition boundaries of all the flow patterns except for the dispersion of water in the oil flow pattern. Ayegba et al 24 , 25 studied the influence of hydrolyzed polyacrylamide on different flow patterns of oil–water two-phase flow. These flow patterns include stratified, stratified wavy, dual continuous, bubbly, dispersed oil in water and water, dispersed oil and water, and dispersed water in oil.…”

Section: Introductionmentioning

confidence: 99%

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Experimental insights into energy savings and future directions of drag reducing polymers in multiphase flow pipelines

Alsurakji

Al–Sarkhi²,

El‐Qanni

et al. 2023

Sci Rep

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Frictional pressure drop has been grasping the attention of many industrial applications associated with multi-phase and academia. Alongside the United Nations, the 2030 Agenda for Sustainable Development calls for the exigency of giving attention to economic growth, a considerable reduction in power consumption is necessary to co-up with this vision and to adhere to energy-efficient practices. Thereinto, drag-reducing polymers (DRPs), which do not require additional infrastructure, are a much better option for increasing energy efficiency in a series of critical industrial applications. Therefore, this study evaluates the effects of two DRPs—polar water-soluble polyacrylamide (DRP-WS) and nonpolar oil-soluble polyisobutylene (DRP-OS)—on energy efficiency for single-phase water and oil flows, two-phase air–water and air-oil flows, and three-phase air–oil–water flow. The experiments were conducted using two different pipelines; horizontal polyvinyl chloride with an inner diameter of 22.5 mm and horizontal stainless steel with a 10.16 mm internal diameter. The energy-efficiency metrics are performed by investigating the head loss, percentage saving in energy consumption (both per unit pipe length), and throughput improvement percentage (%TI). The larger pipe diameter was used in experiments for both DRPs, and it was discovered that despite the type of flow or variations in liquid and air flow rates, there was a reduction in head loss, an increase in energy savings, and an increase in the throughput improvement percentage. In particular, DRP-WS is found to be more promising as an energy saver and the consequent savings in the infrastructure cost. Hence, equivalent experiments of DRP-WS in two-phase air–water flow using a smaller pipe diameter show that the head loss drastically increases. However, the percentage saving in power consumption and throughput improvement percentage is significantly compared with that found in the larger pipe. Thus, this study found that DRPs can improve energy efficiency in various industrial applications, with DRP-WS being particularly promising as an energy saver. However, the effectiveness of these polymers may vary depending on the flow type and pipe diameter.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental insights into energy savings and future directions of drag reducing polymers in multiphase flow pipelines

Alsurakji

Al–Sarkhi²,

El‐Qanni

et al. 2023

Sci Rep

View full text Add to dashboard Cite

show abstract

Drag Reducing Polymers in Multi-phase Flow Pipelines: Energy-Saving and Future Directives

Alsurakji

Al–Sarkhi

El‐Qanni

et al. 2023

Preprint

View full text Add to dashboard Cite

Frictional pressure drop has been grasping the attention of many industrial applications associated with multi-phase and academia. Alongside the United Nations, the 2030 Agenda for Sustainable Development calls for the exigency of giving attention to economic growth, a considerable reduction in power consumption is necessary to co-up with this vision and to adhere to energy-efficient practices. Thereinto, drag-reducing polymers (DRPs), which do not require additional infrastructure, are a much better option for increasing energy efficiency in a series of critical industrial applications. Therefore, this study evaluates the effects of two DRPs―polar water-soluble polyacrylamide (DRP-WS) and nonpolar oil-soluble polyisobutylene (DRP-OS)―on energy efficiency for single-phase water and oil flows, two-phase air-water and air-oil flows, and three-phase air-oil-water flow. The experiments were conducted using two different pipelines; horizontal polyvinyl chloride with an inner diameter of 22.5 mm and horizontal stainless steel with a 10.16 mm internal diameter. The energy-efficiency metrics are performed by investigating the head loss, percentage saving in energy consumption (both per unit pipe length), and throughput improvement percentage (%TI). Irrespective of flow types and variation in liquid and air flow rates, experiments conducted for both DRPs in larger pipe diameter were found to reduce head loss and increase saving in energy consumption and throughput improvement percentage. In particular, DRP-WS is found to be more promising as an energy saver and the consequent savings in the infrastructure cost. Hence, equivalent experiments of DRP-WS in two-phase air-water flow using a smaller pipe diameter show that the head loss drastically increases. However, the percentage saving in power consumption and throughput improvement percentage is significantly compared with that found in the larger pipe. Thus, this study found that DRPs can improve energy efficiency in various industrial applications, with polar water-soluble polyacrylamide being particularly promising as an energy saver. However, the effectiveness of these polymers may vary depending on the flow type and pipe diameter.

show abstract

Water-soluble polymer-induced drag reduction and flow patterns for oil–water flows in return bend

Cited by 2 publications

References 54 publications

Experimental insights into energy savings and future directions of drag reducing polymers in multiphase flow pipelines

Experimental insights into energy savings and future directions of drag reducing polymers in multiphase flow pipelines

Drag Reducing Polymers in Multi-phase Flow Pipelines: Energy-Saving and Future Directives

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