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13 September 2002 Numerical and experimental studies of laser propulsion toward micro-airplane
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Proceedings Volume 4760, High-Power Laser Ablation IV; (2002) https://doi.org/10.1117/12.482047
Event: International Symposium on High-Power Laser Ablation 2002, 2002, Taos, New Mexico, United States
Abstract
Laser supported propulsion of multi-layered target is investigated by the CIP-CUP (Cubic-Interpolated Pseudoparticle Combined Unified Procedure) based hydrodynamic code PARCIPHAL and experiments by pendulum and semi-conductor load cell. The momentum coupling efficiency of 5000 [N.s/MJ] has been achieved by ORION experiments that agree with the simulation code. Time evolution of ablation process and subsequent acceleration is investigated by load cell experiment and simulation. The double-layered target that consists of transparent tamper (Exotic Target) shows higher acceleration rate even with small laser. A propulsion concept is proposed to drive and control a micro-airplane that can be used for observation of climate and volcanic eruption where no one can access directly. In this concept, it is necessary to irradiate a micro-airplane repetitively. Therefore the double-layered target attached a liquid overlay is useful because the device that supplies the surface with liquid can be simple and light. In this paper, the simple device using water as an overlay is presented. Furthermore, from the results of experiments and simulation, it is clear that the mechanism of ablation process differs between the target attached a water layer and the target attached a solid layer.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Keiichi Aoki, Takashi Yabe, Ryo Nakagawa, Masashi Yamaguchi, and Choijil Baasandash "Numerical and experimental studies of laser propulsion toward micro-airplane", Proc. SPIE 4760, High-Power Laser Ablation IV, (13 September 2002); https://doi.org/10.1117/12.482047
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