태양열 적용을 위한 열음향 레이저의 특성 비교 연구
A Comparative Study on the Characteristics of Thermoacoustic Laser for Applying Solar Energy
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참고문헌
키워드
초록
Theconversionofsolarenergyintoacousticwavesisexperimentallystudied.Measurementsweremadeonthe Sound PressureLevel(SPL),frequency,onsettimeand thetemperaturegradientacrossthestack.A pyrex resonancetubeisusedwithahoney-combstructureceramicstackalongwith Ni-CrandCuwires.AnAL1acousticalanalyzerwasusedtomeasuretheSPLandfrequencyofacousticwaveswhereasK-typethermocouples werehiredtoestimatetemperaturegradients.Foraresonancetubeof100mm,noacousticwavesweregenerated withapowerinputof25W.Byincreasingitslengthto200mm,however,maximum SPLsof96.4dB,106.3dB and112.8dB weredetectedforthetubesof10mm,20mm and30mm inIDsandtheirrespectivestackpositions of70mm,60mm and50mm from theclosedend.
Abstract
Theconversionofsolarenergyintoacousticwavesisexperimentallystudied.Measurementsweremadeonthe Sound PressureLevel(SPL),frequency,onsettimeand thetemperaturegradientacrossthestack.A pyrex resonancetubeisusedwithahoney-combstructureceramicstackalongwith Ni-CrandCuwires.AnAL1acousticalanalyzerwasusedtomeasuretheSPLandfrequencyofacousticwaveswhereasK-typethermocouples werehiredtoestimatetemperaturegradients.Foraresonancetubeof100mm,noacousticwavesweregenerated withapowerinputof25W.Byincreasingitslengthto200mm,however,maximum SPLsof96.4dB,106.3dB and112.8dB weredetectedforthetubesof10mm,20mm and30mm inIDsandtheirrespectivestackpositions of70mm,60mm and50mm from theclosedend.
참고문헌 (8)
- G. W. Swift, "Thermoacoustic Engines and Refrigerators", Physics Today, 48, pp.22~28 (1995)
- S. Backhaus, "A thermo- acoustic Stirling heat engine", Nature, 399, pp.335~338 (1999)
- O. G. Symko, "Using sound to turn heat into electricity" (2007), News Center, University of Utah
- Ryne Lampe, "Design and Testing of Rapid Prototyped Stacks for thermo acoustic Applications", Proceedings of The National Conference, pp.1~8 (2008)
- Kohei Hotta, "A prototype of small- size and self-oscillate thermo acoustic system", IEEE International Ultrasonics Symposium Proceeding, ULTSYM (2009)
- O. G. Symko, "Acoustic approach to thermal management, Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)", 12th IEEE Intersociety Conference (2010)
- Kuan Chen, "Acoustic energy output and coupling effect of a pair of thermoacoustic lasers", International Journal of Energy Research (2011)[DOI]
- G. W. Swift, "Thermoacoustics-A Unifying Perspective for Some Engines and Refrigerators", Acoustical Society of America, pp.1~300 (2002)
