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Proceedings Paper

Performance characteristics of premixing gas-dynamic laser utilizing liquid C6H6 and liquid N2O
Author(s): T. Yokozawa; Hayato Nakajima; Shigeru Yamaguchi; K. Ebina; M. Ohara; Hirotaka Kanazawa; M. Yuasa; Katsuhiko Komatsu; Hiroshi Hara
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Paper Abstract

A gasdynamic laser of premixing type fueled with benzene (C6H6) and nitrous oxide (N2O) was developed, using which the small-signal gain characteristics were studied. Also, comparisons of performance were made between nozzles of two-dimensional type and of three-dimensional screen type. With two-dimensional nozzle, the small-signal gain proved to rise sensitively with increasing combustion temperature, to reach 0.65 m-1 at 2,400 K. With screen nozzle, the temperature dependence of small-signal gain was similar in trend. The level of small-signal gain, however, proved to be roughly 0.3 m-1 higher with two-dimensional than with screen nozzle.

Paper Details

Date Published: 1 February 1991
PDF: 5 pages
Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); doi: 10.1117/12.25933
Show Author Affiliations
T. Yokozawa, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Hayato Nakajima, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Shigeru Yamaguchi, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
K. Ebina, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
M. Ohara, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Hirotaka Kanazawa, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
M. Yuasa, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Katsuhiko Komatsu, Japan Defense Agency (Japan)
Hiroshi Hara, Japan Defense Agency (Japan)


Published in SPIE Proceedings Vol. 1397:
8th Intl Symp on Gas Flow and Chemical Lasers

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