研究目的
Investigating the effects of PETN additives on the laser ignition and flame temperature of low-density mixtures of lignite coal.
研究成果
Addition of PETN inclusions in lignite coal leads to a decrease in the threshold for laser ignition and an increase in flame temperature. The results suggest that laser ignition is effective for coal, with potential applications in power engineering.
研究不足
The study is limited to low-density mixtures of lignite coal and PETN, and the practical application of laser ignition for coal fuel without using fuel oil is still under exploration.
1：Experimental Design and Method Selection:
Laser ignition of mixtures of lignite coal and PETN additives was studied using a YAG:Nd3+ laser.
2：Sample Selection and Data Sources:
Lignite coal from the Kaichakskii field and PETN powder synthesized in the laboratory were used.
3：List of Experimental Equipment and Materials:
YAG:Nd laser, pyroelectric energy meter, photomultiplier, spectral streak camera.
4：Experimental Procedures and Operational Workflow:
Samples were exposed to laser pulses, and the emission kinetics and critical energy density for ignition were measured.
5：Data Analysis Methods:
Spectral pyrometry was used to determine flame temperature.
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