Results 201 to 210 of about 6,545 (258)

Recent Advances in Prussian Blue Analogs as Capacitive Deionization Electrode Materials: Fundamentals, Structure–Performance Relationships, and Design Strategies

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review systematically examines the fundamental ion‐storage mechanisms, the structural chemistry, and redox behavior of Prussian blue analogs as Faradaic electrodes in capacitive deionization, their intrinsic limitations and engineering optimization strategies, and the critical materials‐to‐device considerations required to advance PBA‐based CDI ...
Adekunle Adedapo Obisanya   +4 more
wiley   +1 more source

Chirp excitation of ultrasonic guided waves

Ultrasonics, 2013
Most ultrasonic guided wave methods require tone burst excitations to achieve some degree of mode purity while maintaining temporal resolution. In addition, it is often desirable to acquire data using multiple frequencies, particularly during method development when the best frequency for a specific application is not known.
Michaels, Jennifer E.   +3 more
openaire   +3 more sources

Mode repulsion of ultrasonic guided waves in rails

Ultrasonics, 2018
Accurate computation of dispersion characteristics of guided waves in rails is important during the development of inspection and monitoring systems. Wavenumber versus frequency curves computed by the semi-analytical finite element method exhibit mode repulsion and mode crossing which can be difficult to distinguish.
Philip W, Loveday   +2 more
openaire   +2 more sources

Ultrasonic guided wave scattering in a plate overlap

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2005
Guided wave scattering in a plate overlap is investigated by numerical calculations and experimental measurements of transmission and reflection factors from the overlap region. In the numerical study, a hybrid boundary element-finite element method is used to calculate the guided wave scattered field from the overlap region.
Won-Joon, Song   +3 more
openaire   +2 more sources

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