Jumping force of coalescing droplets on a superhydrophobic surface

T. V. Nguyen; T. Mouterde; Hidetoshi Takahashi; D. Quéré; I. Shimoyama

doi:10.1109/MEMSYS.2017.7863348

Jumping force of coalescing droplets on a superhydrophobic surface

T. V. Nguyen, T. Mouterde, Hidetoshi Takahashi, D. Quéré, I. Shimoyama

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

We report a method to directly measure the jumping force during the coalescence of two water droplets on a superhydrophobic surface using a MEMS-based force sensor as shown in Figure 1(a). The sensor is designed to measure the jumping force during the coalescence of two droplets whose radii are several hundred μm. The measurement results show that the maximum jumping force could be more than 10 times larger than the total weight of the merged droplet. Moreover, the impulse calculated from the measured force was on the same order with the jumping momentum of the droplet. Therefore, our sensor is a useful tool to investigate the mechanism of coalescence-induced droplet jumping.

Original language	English
Title of host publication	2017 IEEE 30th International Conference on Micro Electro Mechanical Systems, MEMS 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	95-98
Number of pages	4
ISBN (Electronic)	9781509050789
DOIs	https://doi.org/10.1109/MEMSYS.2017.7863348
Publication status	Published - 2017 Feb 23
Externally published	Yes
Event	30th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2017 - Las Vegas, United States Duration: 2017 Jan 22 → 2017 Jan 26

Publication series

Name	Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)	1084-6999

Other

Other	30th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2017
Country/Territory	United States
City	Las Vegas
Period	17/1/22 → 17/1/26

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanical Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/MEMSYS.2017.7863348

Cite this

Nguyen, T. V., Mouterde, T., Takahashi, H., Quéré, D., & Shimoyama, I. (2017). Jumping force of coalescing droplets on a superhydrophobic surface. In 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems, MEMS 2017 (pp. 95-98). Article 7863348 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEMSYS.2017.7863348

Jumping force of coalescing droplets on a superhydrophobic surface. / Nguyen, T. V.; Mouterde, T.; Takahashi, Hidetoshi et al.
2017 IEEE 30th International Conference on Micro Electro Mechanical Systems, MEMS 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 95-98 7863348 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nguyen, TV, Mouterde, T, Takahashi, H, Quéré, D & Shimoyama, I 2017, Jumping force of coalescing droplets on a superhydrophobic surface. in 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems, MEMS 2017., 7863348, Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Institute of Electrical and Electronics Engineers Inc., pp. 95-98, 30th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2017, Las Vegas, United States, 17/1/22. https://doi.org/10.1109/MEMSYS.2017.7863348

Nguyen TV, Mouterde T, Takahashi H, Quéré D, Shimoyama I. Jumping force of coalescing droplets on a superhydrophobic surface. In 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems, MEMS 2017. Institute of Electrical and Electronics Engineers Inc. 2017. p. 95-98. 7863348. (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). doi: 10.1109/MEMSYS.2017.7863348

Nguyen, T. V. ; Mouterde, T. ; Takahashi, Hidetoshi et al. / Jumping force of coalescing droplets on a superhydrophobic surface. 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems, MEMS 2017. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 95-98 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)).

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abstract = "We report a method to directly measure the jumping force during the coalescence of two water droplets on a superhydrophobic surface using a MEMS-based force sensor as shown in Figure 1(a). The sensor is designed to measure the jumping force during the coalescence of two droplets whose radii are several hundred μm. The measurement results show that the maximum jumping force could be more than 10 times larger than the total weight of the merged droplet. Moreover, the impulse calculated from the measured force was on the same order with the jumping momentum of the droplet. Therefore, our sensor is a useful tool to investigate the mechanism of coalescence-induced droplet jumping.",

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AB - We report a method to directly measure the jumping force during the coalescence of two water droplets on a superhydrophobic surface using a MEMS-based force sensor as shown in Figure 1(a). The sensor is designed to measure the jumping force during the coalescence of two droplets whose radii are several hundred μm. The measurement results show that the maximum jumping force could be more than 10 times larger than the total weight of the merged droplet. Moreover, the impulse calculated from the measured force was on the same order with the jumping momentum of the droplet. Therefore, our sensor is a useful tool to investigate the mechanism of coalescence-induced droplet jumping.

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Jumping force of coalescing droplets on a superhydrophobic surface

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