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A pressure recovery system for chemical oxygen-iodine laser based on an active diffuser

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Thermophysics and Aeromechanics Aims and scope

Abstract

An open-type pressure recovery system (PRS) for chemical oxygen-iodine laser was designed and fabricated. As a first stage, an active diffuser was used in which the ejecting gas supply was organized through nozzles disposed around the channel periphery. The second stage was a supersonic ejector. Numerical simulation data for the viscous turbulent flow with heat release through the diffuser gas-dynamic channel, and also data obtained by testing the active diffuser in operation on a model facility equipped with a vacuum chamber, are reported. The obtained data were used to develop a full-scale setup with exhaust of laser gas into the atmosphere; this has allowed us to optimize the performance characteristics of the setup and substantially improve its mass-dimensional characteristics. Special attention was paid to parameter matching and synchronization of laser start with the operation of PRS components.

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Correspondence to A. E. Orlov.

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Malkov, V.M., Kiselev, I.A., Orlov, A.E. et al. A pressure recovery system for chemical oxygen-iodine laser based on an active diffuser. Thermophys. Aeromech. 18, 381–395 (2011). https://doi.org/10.1134/S0869864311030048

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  • DOI: https://doi.org/10.1134/S0869864311030048

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