Uphill airflow transport of drops on superhydrophobic inclines

Dwayne Chung Kim Chung, Mayur Katariya, So Hung Huynh, Brandon Cheong, Oi Wah Liew, Murat Muradoglu, Tuck Wah Ng

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Abstract

The ability of uphill droplet transport on a superhydrophobic surface incline using airflow was demonstrated. Analytical equations were found to describe the droplet volume at detachment at various inclination angles for the range of physical parameters applied. A pinching off behavior with necking prior to detachment was observed in which a constant time to rupture of 3.2 × 10−2 s froma neck thickness of 1 × 10−3mwas found regardless of the inclination angle used. The approach provided rapid uphill translation of 33 droplets per second and incurs limited aerosolization due to the small forces in action.
Original languageEnglish
Pages (from-to)1 - 4
Number of pages4
JournalColloid and Interface Science Communications
Volume6
DOIs
Publication statusPublished - 2015

Cite this

Chung, Dwayne Chung Kim ; Katariya, Mayur ; Huynh, So Hung ; Cheong, Brandon ; Liew, Oi Wah ; Muradoglu, Murat ; Ng, Tuck Wah. / Uphill airflow transport of drops on superhydrophobic inclines. In: Colloid and Interface Science Communications. 2015 ; Vol. 6. pp. 1 - 4.
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author = "Chung, {Dwayne Chung Kim} and Mayur Katariya and Huynh, {So Hung} and Brandon Cheong and Liew, {Oi Wah} and Murat Muradoglu and Ng, {Tuck Wah}",
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Uphill airflow transport of drops on superhydrophobic inclines. / Chung, Dwayne Chung Kim; Katariya, Mayur; Huynh, So Hung; Cheong, Brandon; Liew, Oi Wah; Muradoglu, Murat; Ng, Tuck Wah.

In: Colloid and Interface Science Communications, Vol. 6, 2015, p. 1 - 4.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Uphill airflow transport of drops on superhydrophobic inclines

AU - Chung, Dwayne Chung Kim

AU - Katariya, Mayur

AU - Huynh, So Hung

AU - Cheong, Brandon

AU - Liew, Oi Wah

AU - Muradoglu, Murat

AU - Ng, Tuck Wah

PY - 2015

Y1 - 2015

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AB - The ability of uphill droplet transport on a superhydrophobic surface incline using airflow was demonstrated. Analytical equations were found to describe the droplet volume at detachment at various inclination angles for the range of physical parameters applied. A pinching off behavior with necking prior to detachment was observed in which a constant time to rupture of 3.2 × 10−2 s froma neck thickness of 1 × 10−3mwas found regardless of the inclination angle used. The approach provided rapid uphill translation of 33 droplets per second and incurs limited aerosolization due to the small forces in action.

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DO - 10.1016/j.colcom.2015.06.001

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