Thermoacoustic Instability in a Rijke Tube with a Distributed Heat Source

Figure 6

Bifurcation diagrams of minimum acoustic energy as a function of with different heat source distribution. (a) Two heat sources, (b) three heat sources, and (c) four heat sources. Here and . The solid line represents the stable solutions and the dash line is for the unstable ones.

(a) Two heat sources

(b) Three heat sources

(c) Four heat sources