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1.
Jovanovic, J., Pashtrapanska, M., Frohnapfel, B., Durst, F., Koskinen, J. & Koskinen, K., On the mechanism responsible for turbulent drag reduction by dilute addition of high polymers: theory, experiments, simulations, and predictions. Journal of Fluids Engineering, 128(1), pp. 118–130, 2006.
2.
Watanabe, K., Udagawa, Y. & Udagawa, H., Drag reduction of Newtonian fluid in a circular pipe with a highly water-repellent wall. Journal of Fluid Mechanics, 381, pp. 225–238, 1999.
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Craig, V.S.J., Neto, C. & Williams, D.R.M., Shear-dependent boundary slip in an aque- ous Newtonian liquid. Physical Review Letters, 87(5), 054504, 2001.
4.
Barrat, J.L. & Bocquet, L., Large slip effect at a nonwetting fluid-solid interface. Physi- cal Review Letters, 82(23), pp. 4671-4674, 1999.
5.
Gogte, S., Vorobieff, P., Truesdell, R., Mammoli, A., Swol, F.V., Shah, P. & Brinker, C.J., Effective slip on textured superhydrophobic surfaces. Physics of Fluids, 17(5), 51701, 2005.
6.
Truesdell, R., Mammoli, A., Vorobieff, P., Swol, F.V. & Brinker, C.J., Drag reduction on a patterned superhydrophobic surface. Physical Review Letters, 97(4), 044504, 2006. [Crossref]
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Prakash, S.S., Brinker, C.J., Hurd, A.J. & Rao, S.M., Silica aerogel films prepared at ambient pressure by using surface derivatization to induce reversible drying shrinkage. Nature, 374, pp. 439-443, 1995.
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Zhu, Y. & Granick, S., Rate-dependent slip of Newtonian liquid at smooth surfaces. Physical Review Letters, 87(9), 096105, 2001. [Crossref]
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Rothstein, J.P., Slip on superhydrophobic surfaces. Annual Review of Fluid Mechanics,
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Lee, T., Charrault, E. & Neto, C., Interfacial slip on rough, patterned and soft surfaces: A review of experiments and simulations. Advances in Colloid and Interface Science, 210, pp. 21–38, 2014.
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Daniello, R., Valle, K.D. & Rothstein, J., Slipping through the water: A study of super- hydrophobic hydrofoils. In APS Meeting Abstracts, 1, p. 24007, 2012.
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Daniello, R., Muralidhar, P., Carron, N., Greene, M. & Rothstein, J.P., Influence of slip on vortex-induced motion of a super-hydrophobic cylinder. Journal of Fluids and Structures, 42, pp. 358–368, 2013.
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Haibao, H., Peng, D., Feng, Z., Dong, S. & Yang, Wu., Effect of hydrophobicity on turbulent boundary layer under water. Experimental Thermal and Fluid Science, 60, pp. 148–156, 2015.
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Panton, R.L., Incompressible Flow, John Wiley & Sons, 2006.
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Westerweel, J., Fundamentals of digital particle image velocimetry. Measurement Sci- ence and Technology, 8(12), pp. 1379-1392, 1997.
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Open Access
Research article

Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study

salil gogte1,2,
andrea mammoli1,
Peter Vorobieff3
1
Department of Mechanical Engineering the University of New Mexico Albuquerque, New Mexico 87131, USA
2
EcoMetric Consulting, 504 Windsor Way, Chester Springs, PA 19425, USA
3
Department of Mechanical Engineering, The University of New Mexico, Albuquerque, USA
International Journal of Computational Methods and Experimental Measurements
|
Volume 4, Issue 4, 2016
|
Pages 493-501
Received: N/A,
Revised: N/A,
Accepted: N/A,
Available online: N/A
View Full Article|Download PDF

Abstract:

We present an experimental investigation of water flow around a hydrofoil with a superhydrophobic patterned surface. The experimental setup uses a water tunnel to measure the drag over the hydrofoil and acquire velocity field measurements using particle image velocimetry (PIV). Drag reduction on the order of 10% or higher was observed on hydrofoils with irregular surface textures combined with super-hydrophobic coating, leading to effective Navier slip on the surface. However, we report that other macroscopic flow characteristics, including the stall angle, are also changed by application of the coating.

Keywords: Drag reduction, Experiment, Particle image velocimetry, Stall, Superhydrophobic surface

1. Introduction

2. Experimental Setup

3. Results and Analysis

4. Conclusions

Acknowledgments

This work was supported in part by the US Department of Energy (DOE) office of Basic Energy Sciences, Division of Materials Science and Engineering, US Air Force Office of Scientific Research (AFOSR), and by Sandia National Laboratories Lab-Directed Research and Development (LDRD) program.

References
1.
Jovanovic, J., Pashtrapanska, M., Frohnapfel, B., Durst, F., Koskinen, J. & Koskinen, K., On the mechanism responsible for turbulent drag reduction by dilute addition of high polymers: theory, experiments, simulations, and predictions. Journal of Fluids Engineering, 128(1), pp. 118–130, 2006.
2.
Watanabe, K., Udagawa, Y. & Udagawa, H., Drag reduction of Newtonian fluid in a circular pipe with a highly water-repellent wall. Journal of Fluid Mechanics, 381, pp. 225–238, 1999.
3.
Craig, V.S.J., Neto, C. & Williams, D.R.M., Shear-dependent boundary slip in an aque- ous Newtonian liquid. Physical Review Letters, 87(5), 054504, 2001.
4.
Barrat, J.L. & Bocquet, L., Large slip effect at a nonwetting fluid-solid interface. Physi- cal Review Letters, 82(23), pp. 4671-4674, 1999.
5.
Gogte, S., Vorobieff, P., Truesdell, R., Mammoli, A., Swol, F.V., Shah, P. & Brinker, C.J., Effective slip on textured superhydrophobic surfaces. Physics of Fluids, 17(5), 51701, 2005.
6.
Truesdell, R., Mammoli, A., Vorobieff, P., Swol, F.V. & Brinker, C.J., Drag reduction on a patterned superhydrophobic surface. Physical Review Letters, 97(4), 044504, 2006. [Crossref]
7.
Prakash, S.S., Brinker, C.J., Hurd, A.J. & Rao, S.M., Silica aerogel films prepared at ambient pressure by using surface derivatization to induce reversible drying shrinkage. Nature, 374, pp. 439-443, 1995.
8.
Zhu, Y. & Granick, S., Rate-dependent slip of Newtonian liquid at smooth surfaces. Physical Review Letters, 87(9), 096105, 2001. [Crossref]
9.
Navier, C.L., Memoire sur les lois du mouvement des fluides. Mémoires de l’Academie Royale des Sciences de l’Institut de France, 6, pp. 389–440, 1823.
10.
Mhetar, V. & Archer, L.A., Slip in entangled polymer solutions. Macro-molecules,
11.
Rothstein, J.P., Slip on superhydrophobic surfaces. Annual Review of Fluid Mechanics,
12.
Lee, T., Charrault, E. & Neto, C., Interfacial slip on rough, patterned and soft surfaces: A review of experiments and simulations. Advances in Colloid and Interface Science, 210, pp. 21–38, 2014.
13.
Daniello, R., Valle, K.D. & Rothstein, J., Slipping through the water: A study of super- hydrophobic hydrofoils. In APS Meeting Abstracts, 1, p. 24007, 2012.
14.
Daniello, R., Muralidhar, P., Carron, N., Greene, M. & Rothstein, J.P., Influence of slip on vortex-induced motion of a super-hydrophobic cylinder. Journal of Fluids and Structures, 42, pp. 358–368, 2013.
15.
Haibao, H., Peng, D., Feng, Z., Dong, S. & Yang, Wu., Effect of hydrophobicity on turbulent boundary layer under water. Experimental Thermal and Fluid Science, 60, pp. 148–156, 2015.
16.
Panton, R.L., Incompressible Flow, John Wiley & Sons, 2006.
17.
Westerweel, J., Fundamentals of digital particle image velocimetry. Measurement Sci- ence and Technology, 8(12), pp. 1379-1392, 1997.
18.
Prasad, A.K., Adrian, R.J., Landreth, C.C. & Offutt, P.W., Effect of resolution on the speed and accuracy of particle image velocimetry interrogation. Experiments in Fluids, 13(2–3), pp. 105–116, 1992.
Cite this:
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Gogte, S., Mammoli, A., & Vorobieff, P. (2016). Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study. Int. J. Comput. Methods Exp. Meas., 4(4), 493-501. https://doi.org/10.2495/CMEM-V4-N4-493-501
S. Gogte, A. Mammoli, and P. Vorobieff, "Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study," Int. J. Comput. Methods Exp. Meas., vol. 4, no. 4, pp. 493-501, 2016. https://doi.org/10.2495/CMEM-V4-N4-493-501
@research-article{Gogte2016FlowPA,
title={Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study},
author={Salil Gogte and Andrea Mammoli and Peter Vorobieff},
journal={International Journal of Computational Methods and Experimental Measurements},
year={2016},
page={493-501},
doi={https://doi.org/10.2495/CMEM-V4-N4-493-501}
}
Salil Gogte, et al. "Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study." International Journal of Computational Methods and Experimental Measurements, v 4, pp 493-501. doi: https://doi.org/10.2495/CMEM-V4-N4-493-501
Salil Gogte, Andrea Mammoli and Peter Vorobieff. "Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study." International Journal of Computational Methods and Experimental Measurements, 4, (2016): 493-501. doi: https://doi.org/10.2495/CMEM-V4-N4-493-501
GOGTE S， MAMMOLI A， VOROBIEFF P. Flow Pattern Alteration Near A Hydrofoil Due to Effective Slip: An Experimental Study[J]. International Journal of Computational Methods and Experimental Measurements， 2016， 4(4)： 493-501. https://doi.org/10.2495/CMEM-V4-N4-493-501