Estimation of CO2/N2 mixing region by the small-signal gain measurement

Hiroshi Ohue; Eiji Kasahara; Kamon Uemura; Keiichi Mito

doi:10.1117/12.26026

1 February 1991 Estimation of CO2/N2 mixing region by the small-signal gain measurement

Hiroshi Ohue, Eiji Kasahara, Kamon Uemura, Keiichi Mito

Proceedings Volume 1397, 8th Intl Symp on Gas Flow and Chemical Lasers; (1991) https://doi.org/10.1117/12.26026
Event: Eighth International Symposium on Gas-Flow and Chemical Lasers, 1990, Madrid, Spain

Abstract

For the estimation of COzs/N2 mixing region on after-mixing C02 gasdynamic laser, the small-signal gain distributions were measured at different pressure ratios at the nozzle exit. In this study, a shock tube was used and the shock-free nozzle and the wedge nozzle were employed. From these experiments, we found that the small-signal gain distribution is considerably dependent on the pressure ratio at the nozzle exit, whereas only a small difference was seen between the two nozzles.

Citation Download Citation

Hiroshi Ohue, Eiji Kasahara, Kamon Uemura, and Keiichi Mito "Estimation of CO2/N2 mixing region by the small-signal gain measurement", Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); https://doi.org/10.1117/12.26026

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