Experimental study of combustor of heavy-duty gas turbine(E) was conducted on high-pressure test system.The content of CO and UHC was very low

the combustion was stable and efficient

with the combustion efficiency over 99% and pollution emissions(NOx) up to 204mg/N·m3(15%O2) under rated condition.But

this couldn't meet the design requirements.The results indicate that: the radio of on-watch-fuel is large

which makes the content of NOx larger;uneven premixed fuel is another important reason that makes the content of NOx larger.The conclusion has provided a reliable basis for gas turbine's design and development.