The 3-D temperature field can be acquired by ZHC-D combustion supervisory control system through flame picture and radiative signals detection, so it offers a good solution to solve the problem.

There's a fire raging in Orion: A new picture released last week from NASA's Wide-field Infrared Survey Explorer, or WISE, shows the Flame nebula alight in the familiar constellation.

So the problem of taking the picture of real rocket jet with high temperature, high velocity and strong flame was solved.