combustion-chamber-thermal-fatigue-behaviorSheet metal cooling slitRolled ring Double wallRelative durabilityCombustion chamber outlet temperatureEvolutionThe improvement of the thermal fatigue behavior ofcombustion chambers has not yet been completed.Several typical combustion chamber problems canbe minimized with a shingle design.ABCDTypical problems aroundthe cooling air slitLip disformationOxidation12Cracking in the areaof the roll seam weld