Visualization of Effects of Ultrasound on Liquid Droplet Solidification and Frost Formation on Cold Flat Surface
Abstract
An experimental study was conducted to study the effect of ultrasonic vibrations on frost suppression on a cold flat surface in atmospheric air flow. A microscopic visualization on the liquid droplet solidification and frost formation process with and without the effect of 20-kHz ultrasound was made. The water droplets solidification and frost crystal growth on the solidified water droplet surface were comparatively observed. Meanwhile, the frost thickness variations were comparatively analyzed. It was found that almost no difference can be seen between the water droplet solidification onset time with the effect of ultrasound and that without the effect of ultrasound. However, after the water droplet solidifies, almost no growth of the frost crystal can be observed on the solidified water droplets surface with the effect of ultrasound. In addition, during the whole frost formation progress, very small growth of the frost layer can be seen on the flat surface with the effect of ultrasound. The experimental results showed that the frost growth process on the cold flat surface can be significantly restrained due to the effect of ultrasound.
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Electric fields and ultrasonic vibrations disrupt the initial nucleation points, thereby decelerating frost formation.
“Meanwhile, the electric fields [27,28] and ultrasonic vibrations [29] have been applied disrupt the initial nucleation points, thereby decelerating frost formation.”
From Enhancing heat-exchanger performance in frost conditions via superhydrophobic surface modification (2024) · cites this paper as [29]
Frost suppression can be achieved without relying on external high-grade energy sources, thereby reducing energy consumption and equipment costs associated with frost suppression.
“Frost sup pression can be achieved without relying on external high-grade energy sources [25 -29], thereby reducing energy consumption and equipment costs associated with frost suppression.”
From Enhancing heat-exchanger performance in frost conditions via superhydrophobic surface modification (2024) · cites this paper as [29]
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Enhancing heat-exchanger performance in frost conditions via superhydrophobic surface modification
He, H., Zhou, X., Lyu, N., Wang, F., Liang, C., & Zhang, X. (2024) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2024.122914 · Cited by 19 · see citing works
Wang, F., Xiang, M., & Yang, W. (2024) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2023.121881 · Cited by 20 · see citing works
- Authors
- Li, D., & Chen, Z.
- Affiliations
- Southeast University (CN)
- Venue
- Heat Transfer Engineering
- Publisher
- Informa UK Limited
- Published
- 2014-01-16
- Volume
- 35
- Issue
- 11-12
- Pages
- 1098-1104
- ISSN
- 0145-7632 (ISSN-L)
- 1521-0537
- OpenAlex
- W1980117612
- Cited by
- 19
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 3 · 2023: 1 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 1 · 2016: 1
- FWCI
- 0.54
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Heat Transfer Engineering (publishedVersion)
- Topics
- Physical Sciences › Engineering › Aerospace Engineering › Icing and De-icing Technologies
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › nanoparticles nucleation surface interactions
- Physical Sciences › Engineering › Mechanics of Materials › Freezing and Crystallization Processes
- Keywords
- ultrasonic vibration, frost suppression, frost formation, frost thickness, microscopic visualization, water droplets
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