Bing Guan, Shibin Li, Ligang Zhang, Shuangqing Chen. Review on Influencing Factors of Laser Rock Drilling Technology[J]. Laser & Optoelectronics Progress, 2020, 57(3): 030003
- Laser & Optoelectronics Progress
- Vol. 57, Issue 3, 030003 (2020)
![Effects of laser irradiation time on SE and ROP for limestone[29]](/richHtml/lop/2020/57/3/030003/img_1.jpg)
Fig. 1. Effects of laser irradiation time on SE and ROP for limestone[29]
![Effects of laser power on SE and ROP for limestone[29]](/richHtml/lop/2020/57/3/030003/img_2.jpg)
Fig. 2. Effects of laser power on SE and ROP for limestone[29]
![Change trends of SE with increasing numbers of bursts per spot under different relaxation time[40]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Change trends of SE with increasing numbers of bursts per spot under different relaxation time[40]
Fig. 4. Different configuration of multiple overlapping laser beam spots[3]. (a) Overlapping of laser beams; (b) hexagonal overlap
Fig. 5. SE needed for laser rock breaking at different parameter combinations in L9 orthogonal array experimental layout[28]
Fig. 6. SE needed for laser rock breaking obtained by numerical simulation and experimental test [31,47]
Fig. 7. SE for limestone with different saturated fluids by laser radiation [20]
Fig. 8. SE for dry and water saturated concrete samples by laser radiation[49]
Fig. 9. Effects of deposition orientations of limestone and sandstone samples on SE[29]
Fig. 10. Reationship between medium depth and remove quality of rock[11]
Fig. 11. SE and volume removed variation against tri-axial pressure conditions for limestone by laser radiation[51]
Fig. 12. SE variation against confining pressure and hydraulic pressure for limestone by laser radiation[15]
Fig. 13. Linear tracks produced with changed (top) and fixed (bottom) purging gas position[9]
Fig. 14. Holes obtained at side blowing and coaxial blowing[52]
Fig. 15. Effect of incident angle on laser perforation morphology for sandstone[54].(a)0°; (b) 60°; (c) 70°; (d) 75°
Fig. 16. Thin section of penetrated hole in limestone[14]. (a) Fix perforation; (b) moving perforation
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