Presented as a Keynote at Geometric Modeling and Processing 2008 (GMP 2008), April 23-25, 2008, Hangzhou, China Project (No. MTM2005-08690-C02-02) partially supported by the Spanish Ministry of Scienc
An acoustic pressure amplifier (APA) is capable of improving the match between a thermoacoustic engine and a load by elevating pressure ratio and acoustic power