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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v41.i4.50
pages 423-435

DIFFUSERS OF GAS-DYNAMIC LASERS: WAYS TO IMPROVE

I. Yu. Vasiliev
Central Institute of Aviation Motors, 2 Aviamotornaya St., Moscow, 111116, Russia
N. N. Zakharov
Central Institute of Aviation Motors, 2 Aviamotornaya St., Moscow, 111116, Russia
A. N. Kutuzova
Central Institute of Aviation Motors, 2 Aviamotornaya St., Moscow, 111116, Russia

RESUMO

The analysis of features of gas-dynamic laser diffusers has been carried out. This analysis enables the definition of ways of to improve their starting and operating characteristics. Several original designs of effective multichannel diffusers are proposed, as well as the design of a gas-dynamic laser (GDL) flow passage containing a combined three-dimensional diffuser with tangential gas injection in the extreme channels and unsealed quick-acting doors in the optical section. The results of numerous model and full-scale tests of GDL with two- and three-dimensional diffusers are presented, and the comparison of their gas-dynamic characteristics is given.


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