Research objectives

The basic combustion research team mainly studies the basic problems of advanced combustion methods. In order to cope with the increasingly outstanding environmental problems and High-tech development, a series of advanced combustion methods, such as oxygen-enriched combustion, flame-free combustion, micro-scale combustion and alcohol and biomass alternative fuel combustion; These advanced combustion fundamentals include ignition, extinction, flame propagation speed, Stability and the formation of contaminants (such as NO and soot particles), the basic research reveals the chemical reaction kinetics mechanism, the interaction mechanism between turbulence and combustion, the intrinsic regularity of combustion stability and the formation mechanism of pollutants.

The main research methods: 1) laser detection; 2) flame emission spectrometry, flame image processing, flame thermal radiation inversion; 3) quantum chemistry calculation; 4) large eddy Simulation (LES) and direct numerical simulation (DNS).

Laser monitoring equipment: 1) laser particle velocity meter (PIV); 2) laser induced fluorescence (PLIF); 3) laser induced Blazing Light (LII); 4) Laser induced breakdown spectroscopy (LIBS).

The main racks: 1) hedge flame table; 2) spherical flame table; 3) shock tube; 4) high temperature and high pressure visualization constant volume combustion experiment platform; 5) micro-scale burning platform; 6) high temperature with flow combustion test rig.

Research direction

Fire extinguishing mechanism, flame propagation speed and chemical reaction kinetic mechanism in flameless combustion and oxyfuel combustion;

Chemical reaction kinetics mechanism of alcohols, biomass alternative fuels and polymer fuels;

Clean combustion diagnosis, visualize the gas in the flame, the radiation characteristics of the particles, the combustion temperature field, the concentration of the particles and the distribution of the shape parameters. The focus is on the effect of flame structure on the formation and oxidation of soot;

Various combustion limits and stable combustion methods of micro-burners, the focus is on the influence of channel spacing, burner size, thermal properties of wall materials on the flame blowout limit, and the optimal design of the burner;

Study on the mechanism of atomization, crushing, collision and combustion of liquid fuel in spray, the difference of spray combustion characteristics of various new renewable fuels and the simplified chemical kinetic mechanism;

The interaction mechanism and instability of turbulence and chemical reaction.

Team members