Measurements of density in flowing air by means of the double-slit interferometer

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TypeArticle
Journal titleTechnical translation (National Research Council of Canada)
ISSN0077-5606
Volume37
Pages18
AbstractThe present report begins with a description of the double-slit interferometer and a derivation of the interferometer formula, Following that the application of the interferometer to measurements of density in flows is discussed and the formula is modified forth is particular purpose, A calibration of the interferometer is essential. The possible sources of error are particularly stressed. The formulae given in this report are applicable to all interferometers. In conclusion measurements of density in a Laval nozzle are discussed. These measurements permit an insight into the accuracy of the measuring method.
Publication date
PublisherNational Research Council of Canada. Division of Mechanical Engineering
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Research in Construction
Peer reviewedNo
IdentifierNRC-TT-37
NRC number8710
NPARC number20331542
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Record identifiera9eed062-2459-41a5-960d-37e6341dff08
Record created2012-07-18
Record modified2017-05-16
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