• The Rayleigh integral is always positive in steadily operated combustors 

      Schuermans, Bruno; Moeck, Jonas; Blonde, Audrey; Dharmaputra, Bayu; Noiray, Nicolas (Peer reviewed; Journal article, 2022)
      The Rayleigh index has been used for decades by a large number of researchers as an indicator to determine if a flame is driving or damping thermoacoustic interaction mechanisms. The use of the Rayleigh criterion has found ...