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DDC: 530 × Version: publishedVersion × Publisher: Weinheim : Wiley-VCH × Subject: acoustic waves × WGL Institute: IFWD ×

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    A Holistic Solution to Icing by Acoustic Waves: De-Icing, Active Anti-Icing, Sensing with Piezoelectric Crystals, and Synergy with Thin Film Passive Anti-Icing Solutions
    (Weinheim : Wiley-VCH, 2023) del Moral, Jaime; Montes, Laura; Rico‐Gavira, Victor Joaquin; López‐Santos, Carmen; Jacob, Stefan; Oliva‐Ramirez, Manuel; Gil‐Rostra, Jorge; Fakhfouri, Armaghan; Pandey, Shilpi; Gonzalez del Val, Miguel; Mora, Julio; García‐Gallego, Paloma; Ibáñez‐Ibáñez, Pablo Francisco; Rodríguez‐Valverde, Miguel Angel; Winkler, Andreas; Borrás, Ana; González‐Elipe, Agustin Rodriguez
    Icing has become a hot topic both in academia and in the industry given its implications in transport, wind turbines, photovoltaics, and telecommunications. Recently proposed de-icing solutions involving the propagation of acoustic waves (AWs) at suitable substrates may open the path for a sustainable alternative to standard de-icing or anti-icing procedures. Herein, the fundamental interactions are unraveled that contribute to the de-icing and/or hinder the icing on AW-activated substrates. The response toward icing of a reliable model system consisting of a piezoelectric plate activated by extended electrodes is characterized at a laboratory scale and in an icing wind tunnel under realistic conditions. Experiments show that surface modification with anti-icing functionalities provides a synergistic response when activated with AWs. A thoughtful analysis of the resonance frequency dependence on experimental variables such as temperature, ice formation, or wind velocity demonstrates the application of AW devices for real-time monitoring of icing processes.