Abstract
The temperature and soot particle measurement technique in a laminar diffusion flame has been studied to Investigate the characteristics of soot particle with temperature using a co-flow burner The temperature distribution in the flame were measured by rapid Insertion of a R-type thermocouple and the soot particles by LEM/LIS techniques In these measurement, soot volume fraction, number density and soot diameters were analyzed experimentally As a results, the spacial distributions of particle volume fraction, soot diameter, and number density are mapped throughout the flame using the Rayleigh theory for the scattering of light by particles A laser extinction method was used to measure the soot volume fraction and laser induced scattering method was used to measure the soot particle diameter and number density Also, we measured temperature without the effect of soot particles attached to the thermocouple Junction, which is close to the nozzle In this result, we found that upstream zone has a unstable flowing in co-flow diffusion flame and the y-axis temperature of flame has a uniform temperature distribution in the most soot volume fraction zone<br/>
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