Experimental study of laser propulsion by using polymer propellant doped with metal powders

cheng jian-zhong; cai jian; hu yun; zhang zeng-ming; ding ze-jun

Volume 20 Issue 07

Jul. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(07): 0-

qiao xiu-mei, zhang guo-ping, zhang tan-xin. Ne-like Ge 19.6 nm X-ray laser driven by 2ω1ω pumping scheme[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

cheng jian-zhong, cai jian, hu yun, et al. Experimental study of laser propulsion by using polymer propellant doped with metal powders[J]. High Power Laser and Particle Beams, 2008, 20.

qiao xiu-mei, zhang guo-ping, zhang tan-xin. Ne-like Ge 19.6 nm X-ray laser driven by 2ω1ω pumping scheme[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

cheng jian-zhong, cai jian, hu yun, et al. Experimental study of laser propulsion by using polymer propellant doped with metal powders[J]. High Power Laser and Particle Beams, 2008, 20.

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Experimental study of laser propulsion by using polymer propellant doped with metal powders

1.
Physics Department,University of Science and Technology of China,Hefei 230026,China;
2.
Automotive Management Institute,Bengbu 233011,China;
3.
Laser Propulsion Laboratory,Department of Modern Mechanics,University of Science and Technology of China,Hefei 230026,China;
4.
Department of Astronomy and Applied Physics,University of Science and Technology of China,Hefei 230026,China

Publish Date: 2008-07-15

Abstract

Abstract

The metal particles of different elements, concentrations and diameters are doped in PVC and the targets are tested by using a high-power pulsed TEA-CO2 laser. The results show that: the coupling coefficient changes slightly with elements and diameters of metal particles doped in PVC, but the specific impulse is significantly improved for different laser power densities. The doped nano-Fe powder PVC shows the best performance; the maximum specific impulse appears at 50% nano-Fe power concentration for the energy density of 5×106 W/cm2. At the atmospheric environment, the coupling coefficient for PVC target containing 20% nano-zinc powder increases first and then decreases with the increase of laser power density, and the specific impulse is not even better than that for PVC targets doped
- laser propulsion,
- propellant,
- specific impulse,
- pvc

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