Results 71 to 80 of about 1,767 (217)
Boundary conditions in photoacoustic tomography [PDF]
, 2006 Photoacoustic tomography has captured a significant amount of attention recently. Although several commercially available optical imaging modalities, including confocal microscopy, two-photon microscopy, and optical coherence tomography have been highly ...
Wang, Lihong V.
core +1 more source
Localized Sound‐Integrated Display Speaker Using Crosstalk‐Free Piezoelectric Vibration Array
Advanced Science, Volume 12, Issue 27, July 17, 2025.To approach multisensory integration of speaker‐integrated OLED displays, this study investigates localized sound emission in display panel speakers by examining crosstalk‐free diaphragm vibrations and enhanced frequency response through multi‐arrayed piezoelectric exciters.
Inpyo Hong, Su Seok Choi
wiley +1 more source
Advanced Materials Interfaces, Volume 12, Issue 12, June 23, 2025.This review article explores applications in wearable sensors such as mechanical, electrophysiological, and gas sensors, highlighting advancements that improve device performance and predictability. In addition to analyzing graphene's synthesis techniques, including traditional and advanced laser‐based methods, the article discusses fabrication ...
Fatemeh Saeedi +2 more
wiley +1 more source
A curved array photoacoustic tomography system for small animal imaging [PDF]
, 2007 We have developed and tested a photoacoustic imaging system based on a 128 element curved-phased ultrasonic array, which spans a quarter of a complete circle with a radius of curvature equal to 25mm.
Aguirre, Andres +7 more
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Detached Eddy Simulation (DES) of a Turbulent Premixed Flame Stabilized on a Bluff Body
Proceedings in Applied Mathematics and Mechanics, Volume 25, Issue 2, June 2025.ABSTRACT As the demand for net‐zero emissions intensifies, low‐emission fuels (LEFs) are increasingly explored for their potential to reduce pollutants in combustion systems. The present study investigates the flame dynamics and pollutant emissions (CO and NOx) of different LEFs using detached eddy simulations (DES), a method that offers better ...
Abdelkader Hemaizia +2 more
wiley +1 more source
Forcing Pulsations by Means of a Siren for Gas Turbine Applications
International Journal of Turbomachinery, Propulsion and Power, 2020 A siren is a robust fast-valve that generates effective flow pulsations and powerful noise levels under well-controlled conditions. It operates under the inlet flow conditions of a gas turbine combustor.
Fabrice Giuliani +3 more
doaj +1 more source
Photoacoustic imaging in attenuating acoustic media based on strongly causal models
, 2012 In this paper we derive time reversal imaging functionals for two strongly causal acoustic attenuation models, which have been proposed recently. The time reversal techniques are based on recently proposed ideas of Ammari et al for the thermo-viscous ...
Kalimeris, Konstantinos, Scherzer, Otmar
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Geophysical Prospecting, Volume 73, Issue 4, Page 1154-1170, May 2025.Abstract A thermoacoustics imaging system is investigated in this paper to enhance conventional imaging modalities in geological subsurface situational awareness applications. While thermoacoustics imaging has traditionally been used in biological scenarios like breast cancer detection, this work aims to extend thermoacoustics imaging to geophysical ...
Chang Liu +6 more
wiley +1 more source
Emerging Wearable Acoustic Sensing Technologies
Advanced Science, Volume 12, Issue 6, February 10, 2025.This review summarizes recent advancements in wearable acoustic devices developed through interdisciplinary and bionic approaches. These applications include bio‐acoustic detection, ultrasound energy supply, and ultrasonic diagnosis. It highlights challenges and future directions, aiming to promote their use in the human body and explore integration ...
Tao Liu +7 more
wiley +1 more source
Exploring the Frontiers of Cell Temperature Measurement and Thermogenesis
Advanced Science, Volume 12, Issue 1, January 9, 2025.This review focuses on the mechanisms of local temperature generation within cells and the methods developed for accurate temperature assessment. Contact and noncontact techniques are introduced, including infrared thermography, fluorescence thermometry, and other innovative localized temperature measurement approaches.
Hanliang Zhu +6 more
wiley +1 more source