Spectrographic investigation of a plasma jet

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Authors
Booth, Roger G.
Albers, William P.
Subjects
Advisors
Head, Richard M.
Date of Issue
1960
Date
Publisher
Monterey, California: U.S. Naval Postgraduate School
Language
en_US
Abstract
The visible radiation from the direct current arc jet at the u. S. Naval Postgraduate School, Monterey, California, was observed with a three meter grating spectrograph, The arc jet was operated at 15 to 79 Kw using helium, argon, or nitrogen under 1.0 to 3·3 atmospheres pressure. Temperature measurements were attempted using Cyanogen (CN) band spectra intensity distribution and Stark line broadening techniques. Temperatures of 5000 to 5300 K were obtained using the band spectra technique and about13,000 K using Stark broadening. The difficulties and inaccuracies involved in the Stark broadening technique make this procedure prohibitive for use in connection with an arc jet wind tunnel
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Thesis
Description
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Department
Aeronautical Engineering
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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