The multichannel spectral device with transmitting analyzed optical signals by the optical fiber for the liquid propellant rocket engine diagnostics

Mikhail A. Vaganov; Oleg D. Moskaletz

doi:10.1117/12.2021324

25 September 2013 The multichannel spectral device with transmitting analyzed optical signals by the optical fiber for the liquid propellant rocket engine diagnostics

Mikhail A. Vaganov, Oleg D. Moskaletz

Author Affiliations +

Proceedings Volume 8841, Current Developments in Lens Design and Optical Engineering XIV; 884114 (2013) https://doi.org/10.1117/12.2021324
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Recently spectroscopic methods of diagnostics of the liquid propellant rocket engines for prevention of emergencies become topical. Such diagnostics is based on tracking appearance of spectral lines of engine’s constructional materials in spectrum of rocket plume radiation and glow dynamics of these lines. The multichannel optical spectral device considered in this paper makes the contactless spectrum analysis of optical radiations that allows to use this spectral device for diagnostics of the liquid propellant rocket engines. The novelty of this spectral device lies in application of the fiber-optical bundle and N parallel channels of the spectrum analysis [1]. Each channel contains the narrow-band optical filtration which has been set on the certain wave length. The fiber-optical bundle is used for transmitting analyzed optical radiation on a safe distance for the device from the rocket engine. This method of the contactless rocket engine diagnostics allows to except a direct contact of the spectral device with the field of rocket blast radiation and to eliminate negative influence of the engine on the spectral device, for example the acoustic impact.

Citation Download Citation

Mikhail A. Vaganov and Oleg D. Moskaletz "The multichannel spectral device with transmitting analyzed optical signals by the optical fiber for the liquid propellant rocket engine diagnostics", Proc. SPIE 8841, Current Developments in Lens Design and Optical Engineering XIV, 884114 (25 September 2013); https://doi.org/10.1117/12.2021324

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