منابع مشابه
Thermoacoustic Refrigeration
From creating comfortable home environments to manufacturing fast and efficient electronic devices, air conditioning and refrigeration remain expensive, yet essential, services for both homes and industries. However, in an age of impending energy and environmental crises, current cooling technologies continue to generate greenhouse gases with highenergy costs. Thermoacoustic refrigeration is an...
متن کاملThermoacoustic Instability
Continuous combustion processes are prominently encountered in many applications related to power generation, heating and propulsion. Examples include domestic and industrial burners, steam and gas turbines, waste generators, and jet and ramjet engines. Continuous combustion processes exhibit a wide range of dynamics. Of these, conditions which promote coupling with the acoustic field and resul...
متن کاملThermoacoustic Oscillations
In a time of heightened environmental concerns and increased importance on efficiency, thermoacoustic standing waves and oscillations provide a possible solution to many contemporary problems. Elementary standing wave theory is discussed, as well as the connection between thermodynamics and acoustical oscillations. Additionally, the benefits of Sondhauss oscillations and devices for their produ...
متن کاملMathematics of thermoacoustic tomography
Computerized tomography has had a huge impact on medical diagnostics. Numerous methods of tomographic medical imaging have been developed and are being developed (e.g., the ‘standard’ X-ray, single-photon emission, positron emission, ultrasound, magnetic resonance, electrical impedance, optical) [62, 67, 84–86]. The designers of these modalities strive to increase the image resolution and contr...
متن کاملA cascade thermoacoustic engine.
A cascade thermoacoustic engine is described, consisting of one standing-wave stage plus two traveling-wave stages in series. Most of the acoustic power is produced in the efficient traveling-wave stages. The straight-line series configuration is easy to build and allows no Gedeon streaming. The engine delivers up to 2 kW of acoustic power, with an efficiency (the ratio of acoustic power to hea...
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ژورنال
عنوان ژورنال: TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
سال: 1990
ISSN: 0389-2441,1880-0408
DOI: 10.2221/jcsj.25.132