Influence of Resonator Shape on Sound Fields in Thermoacoustic Engines

摘要

The influence of resonator shape and boundary layers in the stack on sound fields in thermoacoustic engines is investigated theoretically. Analytical results for the natural and resonance frequency shifts are presented for an empty resonator, without a stack. Numerical results are presented for the dependence of a finite-amplitude waveform on the shape of a resonator containing a stack.