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Group meeting report. Turbulent skin-friction drag reduction on Superhydrophobic ( SHPo ) surfaces. Hyungmin Park Advisor: Prof. CJ Kim 28 th September, 2012. Drag reduction flow tests. Finished analyzing all data

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## Turbulent skin-friction drag reduction on Superhydrophobic ( SHPo ) surfaces

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**Group meeting report**Turbulent skin-friction drag reduction on Superhydrophobic (SHPo) surfaces Hyungmin Park Advisor: Prof. CJ Kim 28th September, 2012**Drag reduction flow tests**• Finished analyzing all data • Working on journal manuscript – now at the last subsection of the discussion. • Presentation material (for Prof. John Kim) and Muchen’s NSF proposal**DR vs GF**●, Present (50m-pitch, BDLY FLOW, Re~250) ■, Present (100m-pitch, BDLY FLOW, Re~250) ▲, Danielloet al. 2009 (60m-pitch, CH. FLOW (One SHPo wall), Re~180, PIV) △, Danielloet al. 2009 (60m-pitch, CH. FLOW (Two SHPo walls), Re~180, PD) ▽, Danielloet al. 2009 (120m-pitch, CH. FLOW (Two SHPo walls), Re~180, PD) ◆, Woolfordet al. 2009 (40m-pitch, CH. FLOW (One SHPo wall), Re~100, PIV) DR GF**rms displacement fluctuations (d’) vs GF**●, 50m-pitch ■, 100m-pitch GF**Next**• Finish the first round of manuscript draft. • Teach Muchen about DR project related stuff.

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