Combustion diagnostics and control by diode laser absorption spectroscopy

It is of great importance to diagnose and control combustion process in real time. The principle of diode laser absorption spectroscopy (DLAS) applied to the combustion measurement of multi-species and multi-parameters is first briefly introduced. Then, by a practicable example, the method of adaptive and real-time control on combustion by using DLAS and its effect are described. The results show that DLAS provides a rapid, flexible, precise and effective means for fundamental combustion research and combustion monitoring.