摘 要: | 1IntroductionImPort8Dtprogresshasbeenmade,inrecelltyears,inthermoacoustics,boththeondicallyandpractically,duetoitspotelitialaPplic8tionsinrefrigerationandcryogeulcs[1-3]-Assi~catthermoacousticeffectsareproducedonlyinhighintensitysoundfield,whosenoIilinariyplaysanhoport8Dtroleinthehighperformanceofthethermoacousticsystem-ThetheoreticalandexPerAneatalstudiesonnonlinearproPagationofhighilltensitysoundwavshavearousedgreatinterestofinvestigatorsI41.Manpaticularlyconcernthepropagationinthermoaco…
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