Results 71 to 80 of about 1,003 (224)

Localized Sound‐Integrated Display Speaker Using Crosstalk‐Free Piezoelectric Vibration Array

open access: yesAdvanced 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

Low temperature differential thermoacoustic Stirling engine

open access: yes, 2010
textTo what extent can we lower the critical temperature ratio (CTR) necessary to start a thermoacoustic engine? We present an experimental method for predicting the CTR before the temperature ratio arrives at it using quality factor measurements.
Daichi Hasegawa   +5 more
core   +1 more source

Porous Cores in Small Thermoacoustic Devices for Building Applications

open access: yesEnergies, 2020
The thermoacoustic behavior of different typologies of porous cores is studied in this paper with the goal of finding the most suitable solution for small thermoacoustic devices, including solar driven air coolers and generators, which can be used in ...
Fabio Auriemma   +3 more
doaj   +1 more source

Recent Advances of Graphene‐Based Wearable Sensors: Synthesis, Fabrication, Performance, and Application in Smart Device

open access: yesAdvanced 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

Experimental Performance Evaluation of a Thermoacoustic Stirling Engine with a Low-Cost Arduino-Based Acquisition System

open access: yesApplied Sciences
Existing thermoacoustic dynamic measurement instrumentation is typically expensive and relies on proprietary designs, sensors, and acquisition equipment.
Carmen Iniesta   +4 more
doaj   +1 more source

The application of frequency‐modulated continuous wave modulated thermoacoustic imaging in geological media

open access: yesGeophysical 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

Comparative Performance of Thermoacoustic Heat Exchangers with Different Pore Geometries in Oscillatory Flow. Implementation of Experimental Techniques

open access: yesApplied Sciences, 2017
Heat exchangers (HXs) constitute key components of thermoacoustic devices and play an important role in determining the overall engine performance. In oscillatory flow conditions, however, standard heat transfer correlations for steady flows cannot be ...
Antonio Piccolo   +3 more
doaj   +1 more source

Emerging Wearable Acoustic Sensing Technologies

open access: yesAdvanced 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

Exergy Analysis of an Integrated Gas Turbine Thermoacoustic Engine

open access: yes, 2010
An attempt is made to utilize exhaust gases of a small gas turbine in augmenting power output through the employment of a thermoacoustic system. It is assumed that the thermoacoustic system is powered only by the waste heat of the gas turbine.
Mohsen Karimi, Kaveh Ghorbanian
core   +1 more source

Advancements in thermoacoustic technology: a comprehensive review and analysis of recent research

open access: yesInternational Journal of Air-Conditioning and Refrigeration
Thermoacoustic technology attracts significant attention from researchers due to its high reliability, environmentally friendly operation, and less maintenance.
Mahesh Krishna Gaikwad   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy