Performance of polyacrylamide as drag reduction polymer of crude petroleum flow

Khadom, Anees A.; Abdulhadi, Ali A.

doi:10.1016/j.asej.2014.04.005

Cited by 39 publications

(14 citation statements)

References 4 publications

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“…The DR is greater with smaller particles as the smaller sized particles with larger surface areas result in the migration effect, where a bond is formed between the transporting fluid molecules and the DR agents (Khadom and Abdul-Hadi 2014). It was observed that the use of nanofluids at low concentrations did not cause a serious reduction in the pressure drop which is due to the small size of the nanoparticles (Abdulbari, Shabirin and Abdurrahman 2013).…”

Section: Resultsmentioning

confidence: 98%

“…This can be explained by the presence of large eddies in the larger microchannels which absorb a large amount of energy from the flow. In smaller microchannels, more smaller eddies are formed, but some small eddies are unable to absorb enough energy and are incapable of overcoming the viscosity resistance (Kim et al 2000;Khadom and Abdul-Hadi 2014;Al-Sarkhi and Hanratty 2001). SiO2 exhibited the highest %DR of all the microchannels, which may be due to the larger sized silica particles settling down quickly and further decreasing the diameter of the microchannels.…”

Section: Resultsmentioning

confidence: 99%

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Drag Reduction Properties of Nanofluids in Microchannels

Abdulbari

Ming

2015

Jou. Eng. Res.

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An experimental investigation of the drag reduction (DR) individualities in different sized micro channels was carried out with nanopowder additives (NAs) (bismuth(III) oxide, iron(II/III) oxide, silica, and titanium(IV) oxide) water suspensions/fluids. The primary objective was to evaluate the effects of various concentrations of NAs with different microchannel sizes (50, 100, and 200 µm) on the pressure drop of a system in a single phase. A critical concentration was observed with all the NAs, above which increasing the concentration was not effective. Based on the experimental results, the optimum DR percentages were calculated. The optimum percentages were found to be as follows: bismuth III oxides: ~65% DR, 200 ppm and a microchannel size of 100 µm; iron II/III oxides: ~57% DR, 300 ppm, and a microchannel size of 50 µm; titanium IV oxides: ~57% DR, 200 ppm, and a microchannel size of 50 µm, and silica: 55% DR, 200 ppm, and a microchannel size of 50 µm.

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Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

Drag Reduction Properties of Nanofluids in Microchannels

Abdulbari

Ming

2015

Jou. Eng. Res.

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“…Drag reduction (DR) by introducing a minute amount of flexible long-chain polymers into the core of the turbulent flow [1][2][3] has proven its significant impact in both industrial and academic applications [4][5][6]. Numerous reports on enhancing the commercial liquids in turbulent regime such as crude oil and water [7][8][9][10] in pipes, conduits, and channels were published. In 1971, Hoyt [11] described the potential of utilizing these additives in reducing the friction of blood plasma.…”

Section: Introductionmentioning

confidence: 99%

Organic Additives for the Enhancement of Laminar Flow in a Brain‐Vessels‐Like Microchannel Assembly

2019

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Organic polymers were extracted from okra, aloe vera, and hibiscus leaves and used as drag-reducing additives (DRAs) to enhance the laminar flow in custommade microchannels that simulate the human brain vessels. The experiment was conducted using an open-loop microfluidic system. The flow enhancement performance was evaluated as the function of percentage of flow increment of mucilage additives at different concentrations. Okra mucilage showed greater flow enhancement performance at higher mucilage concentration while both aloe vera and hibiscus mucilage performed better at lower additive concentration. The findings prove the potential of these organic polymers as DRAs to enhance the blood flow.

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“…Meanwhile, concerning the importance of drag reduction for crude oil pipelines, numerous studies have focused on parameters affecting drag reduction in this field. The influences of the drag‐reducing polymer concentration, pipe diameter, solution flow rate, and the presence of radius elbows on the flow of Iraqi crude oil in pipelines have been evaluated by Khadom and Abdul‐Hadi . The various operating parameters for crude oil pipelines such as oil flow rate, pipe diameter, pipe roughness, type of drag‐reducing agent, and concentration were analyzed by Karami and Mowla .…”

Section: Introductionmentioning

confidence: 99%

Prediction of Field Drag Reduction by a Modified Practical Pipe Diameter Model

Zhao

Chen

Liu³

et al. 2018

Chem Eng & Technol

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Slick water fracturing is a successful stimulation technology for gas shales. Due to the high pumping rates associated with slick water fracturing, drag reduction (DR) is critical to the success of field operations. In this study, three drag-reducing agents were tested in a laboratory setup and the results were compared with data from numerous slick water fracturing treatments in the field in China. The results show that, as long as the slopes of effective pipe radius versus velocity from the laboratory-scale tubes and from the field pipes are close, field drag reduction can be predicted by a modified correlation between DR and velocity established in the laboratory. The modified practical pipe diameter model should be useful in the design of slick water fracturing treatments and the selection of drag-reducing agents in the laboratory.

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Performance of polyacrylamide as drag reduction polymer of crude petroleum flow

Cited by 39 publications

References 4 publications

Drag Reduction Properties of Nanofluids in Microchannels

Drag Reduction Properties of Nanofluids in Microchannels

Organic Additives for the Enhancement of Laminar Flow in a Brain‐Vessels‐Like Microchannel Assembly

Prediction of Field Drag Reduction by a Modified Practical Pipe Diameter Model

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