• Infrared and Laser Engineering
  • Vol. 50, Issue S2, 20200198 (2021)
Jingsong Wei, Yong Cheng, Mengzhen Zhu, Xia Chen, Xu Liu, Chaoyong Tan, and Chaowei Mi
Author Affiliations
  • Ordnance Non-Commissioned Officer Academy, Army Engineering University of PLA, Wuhan 430075, China
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    DOI: 10.3788/IRLA20200198 Cite this Article
    Jingsong Wei, Yong Cheng, Mengzhen Zhu, Xia Chen, Xu Liu, Chaoyong Tan, Chaowei Mi. Mechanism study of removing space debris with space-based free running laser[J]. Infrared and Laser Engineering, 2021, 50(S2): 20200198 Copy Citation Text show less
    Metal ejection under free running laser irradiation
    Fig. 1. Metal ejection under free running laser irradiation
    Curve of impulse coupling coefficient
    Fig. 2. Curve of impulse coupling coefficient
    Pressure and impulse from different laser (Pressure and impulse data of curves were calculated from 1 cm2, impulse coupling coefficient was assumed to be 100)
    Fig. 3. Pressure and impulse from different laser (Pressure and impulse data of curves were calculated from 1 cm2, impulse coupling coefficient was assumed to be 100)
    Power intensity of laser and diffusing depth in aluminum (Data of curves were calculated from Eq.3, the real curve stands for power intensity and the broken one for diffusing depth, which is also the depth of melting pool curve)
    Fig. 4. Power intensity of laser and diffusing depth in aluminum (Data of curves were calculated from Eq.3, the real curve stands for power intensity and the broken one for diffusing depth, which is also the depth of melting pool curve)
    Shooting timesMass lost in ejection/gVelocity variation (with mass loss)V1/m·s−1Velocity variation (without mass loss)V2/m·s−1(V1V2)/V1
    1003.2430.6530.191.52%
    50016.2163.78150.947.84%
    100032.4360.22301.8916.19%
    150048.6605.69452.8325.24%
    200064.8933.10630.7735.29%
    Table 1. The influence of ejection on velocity variation of debris
    Jingsong Wei, Yong Cheng, Mengzhen Zhu, Xia Chen, Xu Liu, Chaoyong Tan, Chaowei Mi. Mechanism study of removing space debris with space-based free running laser[J]. Infrared and Laser Engineering, 2021, 50(S2): 20200198
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