Demonstration of the applicability of a Background Oriented Schlieren (BOS) method View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2002

AUTHORS

H. Richard , M. Raffel , M. Rein , J. Kompenhans , G. E. A. Meier

ABSTRACT

A novel measurement technique based on the refractive index variation in a compressible flow field is presented. This concept is referred to as“Background Oriented Schlieren” (BOS) method in the following. The differences between BOS and other optical techniques which it can best be compared with, will be discussed. Already the first results illustrate an encouraging prospect for the future applicability of this technique. The BOS method offers the capability of qualitative and quantitative investigations of unsteady density fields in high speed flows, combustion, and full-scale flight tests. The underlying principle is briefly described and an extension to a three-dimensional quantitative technique by using multiple cameras is outlined. The experimental studies which have been carried out to investigate a supersonic jet, a turbulent flame, and the blade tip vortices of a BK117 helicopter in hover flight will be presented. More... »

PAGES

145-156

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-662-08263-8_9

DOI

http://dx.doi.org/10.1007/978-3-662-08263-8_9

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1044178673


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