平场高帧频(时间分辨)燃烧诊断
This contribution highlights recent advances in laser diagnostics at high repetition rates. Based onrecent improvements in all-solid-state diode-pumped laser- and CMOS-camera technology, wellknown methods such as Mie scattering, particle image velocimetry (PIV) or planar laser-inducedfluorescence (PLIF) are adapted and extended to repetition rates in the kHz-regime, and appliedsimultaneously to a turbulent opposed jet burner. The high temporal resolution enables one totrack transient events in turbulent combustion, such as flame extinction and ignition. Newperspectives into turbulent combustion are thus possible by quasi-4D imaging or multidimensionalconditioning on transient phenomena.