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Active drag reduction in hydrocarbon media using rotating disk apparatus


Rashed, Musaab K. and Mohd Salleh, Mohamad Amran and Abdulbari, Hayder A. and Shah Ismail, M. Halim (2016) Active drag reduction in hydrocarbon media using rotating disk apparatus. ARPN Journal of Engineering and Applied Sciences, 11 (21). 12538- 12544. ISSN 1819-6608


A high precision rotating disk apparatus (RDA) is designed and employed to investigate the turbulent drag reduction characterization induced by polymeric additives. For the past few decades, polymers have been used widely as drag reducer agents in a pipeline and RDA successfully due to its viscoelastic properties that can suppress the turbulent at high ranges of Reynolds number. In this study, drag reduction efficacy of diesel fuel in a rotating disk apparatus is investigated using high molecular weight polyisobutylene polymer as drag reducing agent. Dependence of drag reduction on different parameters such as: polymer concentration and rotational disk speed (RPM) are also investigated. In addition, the mechanical stability of this polymer with time was studied by measuring torque values for 300 sec at a fixed rotational speed (2000 rpm). It was observed that the drag reduction of diesel fuel increases withthe rotational disk speed and polymer concentration till a critical concentration at which the maximum drag reduction achieved. The maximum DR obtained was about 19.197% at Re = 902062 and PIB concentration of 150 ppm.

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Additional Metadata

Item Type: Article
Divisions: Institute of Advanced Technology
Publisher: Asian Research Publishing Network
Keywords: Drag reduction; Polyisobutylene; Rotating disk apparatus; Diesel fuel
Depositing User: Mohd Hafiz Che Mahasan
Date Deposited: 11 Jul 2018 05:11
Last Modified: 11 Jul 2018 05:11
URI: http://psasir.upm.edu.my/id/eprint/54961
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