High Power Laser and Particle Beams, Volume. 36, Issue 6, 061008(2024)
Compressed air ignition non-electric pyrotechnically pumped laser technology
Figures & Tables(8)
Fig. 1. Compressed air ignition pyrotechnic pumped laser structure
Fig. 3. Spectral analysis of pyrotechnic combustion ignited by compressed air
Table 1. Experimental results of compressed air ignition
View tableView in ArticleTable 1. Experimental results of compressed air ignition
cylinder bore diameter/mm piston stroke/mm luminescent length/mm compression ratio adiabatic temperature/℃ ignition status 8 100 10 11.00 322 √ 8 100 15 7.67 264 √ 8 100 20 6.00 228 √ 8 100 25 5.00 202 √ 8 100 30 4.33 183 × 8 100 35 3.86 168 × 10 100 10 11.00 322 √ 10 100 15 7.67 264 √ 10 100 20 6.00 228 × 10 100 25 5.00 202 × 10 100 30 4.33 183 × 10 100 35 3.86 168 ×
Table 2. Experimental results of laser output with compressed air ignition
View tableView in ArticleTable 2. Experimental results of laser output with compressed air ignition
pyrotechnic mass/mg compression ratio luminescent length/mm laser energy/mJ note 10 7.67 15 no laser 10 6.00 20 no laser 10 5.00 25 8.4 20 7.67 15 6.0 20 6.00 20 10.5 20 5.00 25 12.7 30 7.67 15 cylinder explosion 30 6.00 20 18.4 30 5.00 25 30.2 40 7.67 15 cylinder explosion 40 6.00 20 cylinder explosion 40 5.00 25 cylinder explosion
Table 3. Main research achievements of the pyrotechnic pumped laser
View tableView in ArticleTable 3. Main research achievements of the pyrotechnic pumped laser
reference ignition method pyrotechnic form max threshold mass/mg max pulse width/ms max pyrotechnic mass/mg max laser energy max specific energy/(J·g−1) this article compressed air dust cloud 10 5 30 30.2 1.01 in Ref.[ 16 ]point-type electric dust cloud 20 50 150 2151 14.33 in Ref.[ 2 ]line-type electric granular 80 7-10 — — — in Ref.[ 10 ]line-type electric granular — 7 500 1000 2.00 in Ref.[ 9 ]line-type electric granular — 1.2 50 55 1.10 in Ref.[ 23 ]line-type electric torus — 5.6 850 5500 6.47 in Ref.[ 15 ]line-type electric granular 1080 40 2520 1010 0.40 in Ref.[ 19 ]surface flash electric plane 20 10 100 702 7.02
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Wei Jiang, Fusheng Zheng, Zhibing He, Cheng Ye, Yongjian Tang. Compressed air ignition non-electric pyrotechnically pumped laser technology[J]. High Power Laser and Particle Beams, 2024, 36(6): 061008
Paper Information
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Received: Jan. 25, 2024
Accepted: Apr. 24, 2024
Published Online: Jun. 3, 2024
The Author Email: Fusheng Zheng (woyoucaidao@hotmail.com)
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