EXPERIMENTAL INVESTIGATION OF VISCOUS DRAG REDUCTION, REGARDING SUPERHYDROPHOBIC NANO-COATING IN LAMINAR AND TURBULENT FLOWS

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RAD M.; TAEIBI RAHNI M.; MOAVEN KH.

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Journal: FLUID MECHANICS AND AERODYNAMICS JOURNAL Year:2013 | Volume:2 | Issue:2 Page(s): 65-73

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Title

EXPERIMENTAL INVESTIGATION OF VISCOUS DRAG REDUCTION, REGARDING SUPERHYDROPHOBIC NANO-COATING IN LAMINAR AND TURBULENT FLOWS

Author(s)

RAD M. | TAEIBI RAHNI M. | MOAVEN KH. | Issue Writer Certificate

Keywords

FRICTIONAL DRAG REDUCTIONQ2

ROTATING DISC APPARATUSQ2

SUPERHYDROPHOBIC COATINGQ2

NANO-COATINGQ2

TURBULENT FLOWQ2

Abstract

In this research, effects of superhydrophobic NANO-COATING on frictional drag coefficient have been investigated. A ROTATING DISC APPARATUS is used as the experimental set-up to compare the frictional drag force on an aluminum disc with TiO2 superhydrophobic NANO-COATING and a smooth coatless aluminum disc. The superhydrophobic NANO-COATING is prepared, using sol-gel method and is able to produce a contact angle of 160 degrees. Experiments were performed in the range of Reynolds number from 105 to 4´106. The results show about 30% drag reduction in laminar flows as well as about 15% drag reduction in TURBULENT FLOWs.

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APA: Copy

RAD, M., TAEIBI RAHNI, M., & MOAVEN, KH.. (2013). EXPERIMENTAL INVESTIGATION OF VISCOUS DRAG REDUCTION, REGARDING SUPERHYDROPHOBIC NANO-COATING IN LAMINAR AND TURBULENT FLOWS. FLUID MECHANICS AND AERODYNAMICS JOURNAL, 2(2), 65-73. SID. https://sid.ir/paper/245560/en

Vancouver: Copy

RAD M., TAEIBI RAHNI M., MOAVEN KH.. EXPERIMENTAL INVESTIGATION OF VISCOUS DRAG REDUCTION, REGARDING SUPERHYDROPHOBIC NANO-COATING IN LAMINAR AND TURBULENT FLOWS. FLUID MECHANICS AND AERODYNAMICS JOURNAL[Internet]. 2013;2(2):65-73. Available from: https://sid.ir/paper/245560/en

IEEE: Copy

M. RAD, M. TAEIBI RAHNI, and KH. MOAVEN, “EXPERIMENTAL INVESTIGATION OF VISCOUS DRAG REDUCTION, REGARDING SUPERHYDROPHOBIC NANO-COATING IN LAMINAR AND TURBULENT FLOWS,” FLUID MECHANICS AND AERODYNAMICS JOURNAL, vol. 2, no. 2, pp. 65–73, 2013, [Online]. Available: https://sid.ir/paper/245560/en

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