The investigation and optimization of drag reduction in turbulent flow of Newtonian fluid passing through horizontal pipelines using functionalized magnetic nanophotocatalysts and lecithin

Nadia Esfandiari; Reza Zareinezhad; Zahra Habibi

doi:10.1016/j.cjche.2019.04.015

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The investigation and optimization of drag reduction in turbulent flow of Newtonian fluid passing through horizontal pipelines using functionalized magnetic nanophotocatalysts and lecithin

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- The investigation and optimization of drag reduction in turbulent flow of Newtonian fluid passing through horizontal pipelines using functionalized magnetic nanophotocatalysts and lecithin
- Chinese Journal of Chemical Engineering Vol. 28, Issue 1, Pages: 63-75(2020)
- Affiliations：
  
  Department of Chemical Engineering, Marvdasht Branch, Islamic Azad University, Marvdasht,Iran
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.04.015
  CLC：
- Published：2020
- Accepted：
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Nadia Esfandiari, Reza Zareinezhad, Zahra Habibi. The investigation and optimization of drag reduction in turbulent flow of Newtonian fluid passing through horizontal pipelines using functionalized magnetic nanophotocatalysts and lecithin[J]. Chinese Journal of Chemical Engineering, 2020, 28(1): 63-75.
DOI：

Nadia Esfandiari, Reza Zareinezhad, Zahra Habibi. The investigation and optimization of drag reduction in turbulent flow of Newtonian fluid passing through horizontal pipelines using functionalized magnetic nanophotocatalysts and lecithin[J]. Chinese Journal of Chemical Engineering, 2020, 28(1): 63-75. DOI： 10.1016/j.cjche.2019.04.015.

摘要

Abstract

The nanophotocatalysts were synthesized in four stages and evaluated by FTIR

FESEM and VSM analysis. The influence of nanofluids containing functionalized magnetic TiO

nanophotocatalyst and dipalmitoylphosphatidylcholine lecithin in drag reduction of turbulent flow in four horizontal pipelines was studied. The effective parameters on drag reduction (nanoparticle concentration

surfactant concentration

pH and Re number) were investigated and optimized in each pipeline using response surface method. The drag reduction in 1/2" galvanized

3/4" galvanized

1/2" five-layer and 1/2" cuprous pipelines was found 99.1%

92.5%

87.6% and 85.2%

respectively. The model adequacy was measured using ANOVA. Based on the high determination coefficient

more than 95% of variance of experimental data in all pipelines was described by quadratic model.

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