TY  - JOUR
N1  - cited By 0; Conference of 7th International Conference on Production, Energy and Reliability, ICPER 2020 ; Conference Date: 14 July 2020 Through 16 July 2020; Conference Code:284729
N2  - Fluid Transportation is sustained by high power pumping to overcome the drag created by the shear stress, with considerable cost and energy consumption.In the current paper, a new technique is proposed, which meets the industry's desires to reduce drag and save pumping energy by mounting small streamlined protrusions in the pipeâ??s short segmentsâ?? inner wall.The protrusions are functioning as turbulence modifiers by changing the turbulence structure in the flow near the wall.Series of experimental measurements were carried out using two configurations of TMs in 0.0572-m-diameter GI pipe, with water flow covering Reynolds number range from 55,000 to 110,000.The current study focuses on the effect of the population of the TMs on drag reduction.The results demonstrated drag reduction in the low population case, which has 30 TMs separated by 4.8 mm, by approximately 6.3.The high population case showed an increase in drag.However, it is possible to push the boundary for drag reduction efficiency limit by further investigation of configurations of TMs.It is highly recommended to investigate the technique with a different population and more geometries of the turbulence modifiers. © 2023, Institute of Technology PETRONAS Sdn Bhd.
KW  - Drag reduction; Energy utilization; Flow of water; Reynolds number; Shear stress
KW  -  'current; Energy-consumption; Experimental evaluation; High power pumping; In-pipe; Pumping energies; Riblets; Shortest segment; Turbulence modifier; Turbulence structures
KW  -  Turbulence
TI  - Experimental Evaluation of Drag Reduction in Pipe Flow Using Streamlined Turbulence Modifiers
ID  - scholars19499
SP  - 237
AV  - none
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-85140746943&doi=10.1007%2f978-981-19-1939-8_21&partnerID=40&md5=a6153e532744b241dc5a3a66b4c8efed
JF  - Lecture Notes in Mechanical Engineering
A1  - Al-Kayiem, H.H.
A1  - Othman, A.R.
A1  - Abed, A.B.
A1  - Tukkee, A.M.
EP  - 248
Y1  - 2023///
ER  -