High Power Laser and Particle Beams, Volume. 36, Issue 1, 011003(2024)
Analysis of thermal safety impact of airflow on the process of femtosecond laser processing explosive charge
Fig. 1. Schematic diagram of the physical model of the ablation of explosive charge by femtosecond laser under the action of tangential airflow
Fig. 2. Schematic diagram of calculation model of the ablation of explosive charge by femtosecond laser under the action of tangential airflow
Fig. 3. Velocity distribution of flow field in air under the action of unilateral airflow at different incidence angles
Fig. 4. Temperature-time curves at the monitoring points on the surface of the explosive under the action of 45° unilateral airflow
Fig. 5. Velocity distribution of flow field in the air domain under the action of bilateral airflow at different incidence angles
Fig. 6. Distribution of flow field without the action of external airflow
Fig. 7. Distribution of ablative gas products in the air domain under the action of 45° bilateral airflow
Fig. 8. Temperature distribution of flow field in air under the action of 45° bilateral airflow
Fig. 9. Temperature distribution in the non-ablated area of HMX under the action of 45° bilateral airflow
Fig. 10. Temperature-time curves of monitoring points under the action of bilateral airflow at different incidence angles
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Junying Wu, Fude Zheng, Yule Yao, Jiaxi Liu, Lang Chen. Analysis of thermal safety impact of airflow on the process of femtosecond laser processing explosive charge[J]. High Power Laser and Particle Beams, 2024, 36(1): 011003
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Received: Aug. 7, 2023
Accepted: Dec. 8, 2023
Published Online: Mar. 21, 2024
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