Some Measurements in a Turbulent Circular Jet in the Presence of a Co-flowing Free Stream
- 1 August 1977
- journal article
- research article
- Published by Cambridge University Press (CUP) in Aeronautical Quarterly
- Vol. 28 (3) , 185-196
- https://doi.org/10.1017/s000192590000809x
Abstract
Summary: Results obtained by hot-wire measurements in a turbulent jet are presented for the cases where the jet issues into a co-flowing free stream and, for comparison, where the jet issues into quiescent air. The results obtained in the former show some agreement with other workers, but they are more extensive, including measurements of microscales and macroscales. The results also suggest that the presence of a free stream reduces the rate of decay of the longitudinal turbulent component of velocity, which has the effect of increasing the skewness of the eddy structure.Keywords
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