Results 1 to 10 of about 1,767 (217)

Upscaling of thermoacoustic-Stirling duplex cryocoolers based on resonance tube coupling [PDF]

open access: yesiScience
Summary: To address the critical need for energy-efficient and environmentally sustainable cooling technologies, the thermoacoustic-Stirling duplex cryocooler (TSDC) offers a promising solution due to its high efficiency and versatile applications ...
Liping Wei   +6 more
doaj   +2 more sources

Experimental observation of non-Hermitian phase transitions using laser-induced thermoacoustics [PDF]

open access: yesNature Communications
Non-Hermitian physics in open systems has garnered significant attention for its exotic phenomena, particularly surrounding exceptional points that offer transformative potential for multifunctional devices.
Haixiao Zhang   +12 more
doaj   +2 more sources

Dictionary-based protoacoustic dose map imaging for proton range verification [PDF]

open access: yesPhotoacoustics, 2021
Proton radiotherapy has the potential to provide state-of-the-art dose conformality in the tumor area, reducing possible adverse effects on surrounding organs at risk.
Clara Freijo   +3 more
doaj   +2 more sources

Celebrating 10th anniversary of Photoacoustics [PDF]

open access: yesPhotoacoustics, 2022
Prof. Dr. Alexander A. Oraevsky
doaj   +2 more sources

Experimental study of a bidirectional impulse turbine in a steady gas flow [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2021
Background and Objectives: The bidirectional impulse turbine can be used to generate electricity from the energy of sea waves or to convert acoustic energy into electrical energy in thermoacoustic generators.
Gorshkov, Ilya Borisovich   +1 more
doaj   +1 more source

Numerical simulation of thermoacoustic gas oscillations in a pipe with toroidal heat exchange elements

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2021
The paper simulates the modes of a gas flow in a pipe closed at one end and open to the atmosphere at the other end; for this purpose, a numerical solution of the system of Navier – Stokes equations in a two-dimensional axisymmetric formulation has been ...
Bulovich Sergei
doaj   +1 more source

Surface Acoustic Wave Induced Heat Knockdown of Caenorhabditis Elegans

open access: yesHittite Journal of Science and Engineering, 2021
Model organisms such as Caenorhabditis elegans are commonly used in discovering theunderlying mechanisms of human diseases. The field of microfluidics enables a plethora of tools for better studying these organisms.
Adem Özçelik
doaj   +1 more source

The measurement of thermoacoustic phenomena using thermoacoustic couples [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1989
The results of measurements of thermoacoustically generated temperature gradients in thermoacoustic couples (TACs) subjected to acoustic standing waves are reported. The value of the temperature gradient is a function of the acoustic pressure amplitude, mean gas pressure, type of gas, TAC construction, and its position in the standing wave ...
Anthony A. Atchley   +2 more
openaire   +2 more sources

Numerical simulation of stages number influence to the characteristics of a looped tube thermoacoustic Stirling engine [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2021
Background and Objectives: The traveling wave thermoacoustic engine is a variation of the Stirling engine family. With an increase in the number of stages of a traveling wave thermoacoustic engine from one to four, an improvement in the characteristics ...
Gorshkov, Ilya Borisovich   +1 more
doaj   +1 more source

Evaluating the onset conditions of a thermoacoustic Stirling engine loaded with an audio loudspeaker

open access: yesFrontiers in Thermal Engineering, 2023
This paper aims to evaluate the onset conditions of a thermoacoustic Stirling engine loaded with a commercially available audio loudspeaker. The thermoacoustic engine converts supplied heat power into mechanical power in the form of sound, without any ...
Shu-Han Hsu, Chuan-Heng Lai
doaj   +1 more source

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