section_heading: Nestabilnosti
paragraph_text: Nestabilnosti kod izgaranja su obično snažne oscilacije tlaka u komori za izgaranje. One mogu biti velike i do 180 dB, što znatno smanjuje vijek trajanja dijelova strojeva.<ref>A. A. Putnam, W. C. Dennis (1953) "Organ-pipe oscillations in a flame-filled tube," Fourth Symposium (International) on Combustion, The Combustion Institute, pp. 566–574.<ref>E. C. Fernandes and M. V. Heitor, “Unsteady flames and the Rayleigh criterion” in F. Culick, M. V. Heitor, and J. H. Whitelaw: Unsteady Combustion (Dordrecht, the Netherlands:  Kluwer Academic Publishers, 1996), p. 4