Experimient and optimization of laser cavity in high-recovity pressure chemical laser

number of the test point	distance between the pressure point and inlet of the laser cavity/mm	pressure/kPa
number of the test point		with mass flowrate 1.65 g·s⁻¹·cm⁻²	with mass flowrate 2.475 g·s⁻¹·cm⁻²
1	6	0.9	2.5
2	58	2.3	4.1
3	138	4.3	7.3
4	347	4.3	5.2
5	607	4.5	6.8

Table 2. Simulation parameters of the laser cavity
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Table 2. Simulation parameters of the laser cavity
mass flux/(g·s⁻¹·cm⁻²) static pressure/kPa total temperature/K background pressure/kPa
without heat with heat without heat with heat
2.475 0.9 2.5 800 900 3

Table 3. Contrast of the cavity’s pressure after the optimization
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Table 3. Contrast of the cavity’s pressure after the optimization
number of the test point pressure/kPa
before the optimization after the optimization
1 2.5 1.3
2 4.1 2.9
3 7.3 3.9
4 5.2 5.4
5 6.8 6.2

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Jinxue Li, Shijie Wei, Xiongfei Qiu, Feixue Yan. Experimient and optimization of laser cavity in high-recovity pressure chemical laser[J]. High Power Laser and Particle Beams, 2025, 37(1): 011002

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