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Proceedings Paper

Effects of gas mixing on COIL performance
Author(s): Karin M. Gruenewald; Juergen Handke; Wolfgang O. Schall; Lutz v. Entress-Fuersteneck
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Paper Abstract

In the supersonic COIL the power output and the laser performance strongly depend on mixing conditions of the gas flows. For the 10 kW COIL of DLR, the effects of the gas mixing on the laser power have been experimentally investigated to work out the relations between maximum laser power and the corresponding optimum mixing conditions. For this purpose, optimally diluted iodine jets have been matched to different molar flow rates of singlet delta oxygen. These energetic considerations have been complemented by the investigation of the power dependence on fluid mechanic aspects.

Paper Details

Date Published: 22 December 1998
PDF: 6 pages
Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); doi: 10.1117/12.334450
Show Author Affiliations
Karin M. Gruenewald, DLR Institut fuer Technische Physik (Germany)
Juergen Handke, DLR Institut fuer Technische Physik (Germany)
Wolfgang O. Schall, DLR Institut fuer Technische Physik (Germany)
Lutz v. Entress-Fuersteneck, DLR Raumfahrtantriebe (Germany)


Published in SPIE Proceedings Vol. 3574:
XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference
Anatoly S. Boreisho; Gennady A. Baranov, Editor(s)

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