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Updated: Jun 13, 2026
06:51
Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
Published on: August 21, 2018
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Wireless Powered Surface Acoustic Wave Platform for Achieving Integrated Functions of Fogging/Icing Protection and
Huiling Ong1, Feixuan Yang1, Luke Haworth1
1Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, U.K.
ACS Applied Materials & Interfaces
|October 25, 2024
Summary
This study integrates surface acoustic wave (SAW) and wireless power transfer (WPT) for passive monitoring and active defogging/deicing. The wireless system offers comparable performance to wired systems, minimizing heat effects for advanced ice protection.
Area of Science:
- Materials Science
- Electrical Engineering
- Physics
Background:
- Surface Acoustic Wave (SAW) devices are crucial for sensing and actuation.
- Wireless Power Transfer (WPT) offers a promising alternative to wired systems for remote applications.
- Effective defogging and deicing are critical for optical systems in cold environments.
Purpose of the Study:
- To develop and evaluate an integrated SAW and WPT system for passive monitoring and active defogging/deicing.
- To investigate the performance of ZnO/glass SAW devices under varying humidity and temperature.
- To assess the feasibility of WPT for powering SAW-based defogging and deicing functions.
Main Methods:
- Fabrication of ZnO/glass SAW devices.
- Systematic investigation of resonant frequency shifts with humidity and temperature.
- Evaluation of acoustic wave-generated defogging/deicing with varying RF power and acousto-heating.
- Implementation and testing of a WPT system for SAW device operation.
Main Results:
- Established correlations between SAW resonant frequency shifts and cold-condition environmental variables.
- Demonstrated effective defogging and deicing using SAW-generated acoustic waves and WPT.
- Achieved WPT SAW system performance comparable to wired systems.
- Observed minimized localized acousto-heating effects with the WPT SAW system.
Conclusions:
- The integrated WPT SAW system is a viable solution for multifunctional, optically compatible, and wireless ice protection.
- Wireless operation minimizes localized heating while maintaining defogging/deicing efficacy.
- This technology advances SAW-based solutions for environmental challenges in cold conditions.
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