The application of hydrogen is substantial to the development of aero gas turbine technology. According to the hydrogen application studies in aero gas turbine field

the history of the studies was reviewed and low emission combustion technologies were analyzed. The result indicates that the focus of hydrogen application study in aero gas turbine field has been shifted from early military purpose oriented to civil purpose oriented; the lean burning of primary zone is the key of hydrogen low emission combustion technology; the micro-mix non-premixed diffusive combustion has a great potential to be applied in hydrogen low emission combustion.