C4.1 - Electroacoustic Ice Detection Using Surface Acoustic Wave Devices
- Event
- SMSI 2023
2023-05-08 - 2023-05-11
Nürnberg - Band
- Lectures
- Chapter
- C4 - Acoustic MEMS
- Author(s)
- P. Schulmeyer, H. Schmidt - Leibniz IFW, Dresden (Germany)
- Pages
- 165 - 166
- DOI
- 10.5162/SMSI2023/C4.1
- ISBN
- 978-3-9819376-8-8
- Price
- free
Abstract
Icing of infrastructure or vehicles can lead to structural failure due to increased loads. In particular aerodynamic structures like wind turbine rotor blades demand for a small, thin, retrofittable and wirelessly working ice detection sensor. This paper shows that surface acoustic wave (SAW) devices, made from piezoelectric single crystals 64° YX- and 128° YX-lithium niobate, allow to directly detect ice loaded surfaces by analysing the acoustic- and capacitive-dominated admittance behaviour of an ice-loaded interdigital transducer.