Multiple or single disturbance wave in thermoacoustic setup?

  1. Consider a standard standing wave thermoacoustic setup with a stack at 1/4th from the end of one tube( the stack is a concentric type with a certain length. Note that I am not using a heated gauze directly) The stack is made concentric. One end is heated, the other is cooled. Sound is emitted. Now I have the following question on it's mechanism:

    Will there be only one, big sound wave be generated in the tube, or will there be a number of smaller individual sound waves, each sound wave coming from one point on the roll, since there is no continuity of material the ends of the stack(concentric rolls).
  2. jcsd
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