研究目的
To evaluate the ignition characteristics of ADN-EILPs (especially ignition reproducibility and ignition delay) employing an original experimental configuration for CW laser ignition with regularly arranged carbon fibers.
研究成果
The study concluded that high-power CW laser heating causes bubble formation on the surface, disturbing further heating, and there is an Arrhenius-type relationship between ignition delay and heating rate, indicating limits to reducing ignition delay by increasing laser power. A laser power of ~5.13 W was found most suitable for the setup.
研究不足
The study noted that high-power CW laser heating causes the formation of bubbles on the surface, which disturbs further heating, and there is a limit to foreshortening ignition delay by increasing laser power.
1：Experimental Design and Method Selection:
The study employed an original experimental configuration for CW laser ignition with regularly arranged carbon fibers to probe the correlation between CW laser power and ignition delay via analysis of temperature and pressure profiles.
2：Sample Selection and Data Sources:
ADN-EILPs were prepared with a specific mass ratio, and carbon fibers were used as absorber additives.
3：List of Experimental Equipment and Materials:
Included a CW laser, carbon fibers (Torayca T-300), R-type thermocouples, a precision balance (GH-252), a high-speed camera, and a pressure sensor.
4：Experimental Procedures and Operational Workflow:
Samples were set in a closed chamber filled with Ar, and CW laser power was adjusted to observe ignition behavior.
5：Data Analysis Methods:
Temperature and pressure profiles were analyzed to determine ignition delay and the effect of laser power.
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