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Proceedings Paper

Analytical Studies For Solar-Pumped CO2 Mixing Gasdynamic Laser
Author(s): K. Maeno; H. Aoyama; Y. Hanaoka; H. Arashi
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Paper Abstract

The present paper treats the analytical predictions for characteristics of solar-pumped CO2 mixing gasdynamic laser that is going to be investigated experimentally by solar collector in Tohoku University. As the efficiency of solar collector is high in space, CO2 gasdynamic laser can be the hopeful candidate for space laser because of its high power and possibility of combination with heat engines. Experimental approach is planned by the solar collector of 10m aperture in Research Institute for Scientific Measurements. With this collector in mind, numerical estimation on CO2 mixing gasdynamic laser is conducted. According to data of the collector, the stagnation conditions of solar-thermally heated N9 are estimated. Mass flux of N2 from plenum can be calculated with including the assumea thermal efficiency, and cross sectional area of N2 throat is obtained. Quasi-onedimensional analysis for vibrationally nonequilibrium supersonic flow is conducted. The extracted power is also estimated numerically. Parametric studies are performed on this mixing laser concept, especially for CO2 stagnation conditions, and optimum operation conditions are clarified.

Paper Details

Date Published: 20 June 1989
PDF: 8 pages
Proc. SPIE 1031, 7th Intl Symp on Gas Flow and Chemical Lasers, (20 June 1989); doi: 10.1117/12.950519
Show Author Affiliations
K. Maeno, Muroran Institute of Technology (Japan)
H. Aoyama, Muroran Institute of Technology (Japan)
Y. Hanaoka, Muroran Institute of Technology (Japan)
H. Arashi, Tohoku University (Japan)


Published in SPIE Proceedings Vol. 1031:
7th Intl Symp on Gas Flow and Chemical Lasers

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