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Measurements of entrainment by axisymmetrical turbulent jets

Ricou, F. P., Spalding, D. B.·1961·Journal of Fluid Mechanics

Abstract

A new technique is described for measuring the axial mass flow rate in the turbulent jet formed when a gas in injected into a reservoir of stagnant air at uniform pressure. The jet is surrounded by a porous-walled cylindrical chamber, and air is injected through the wall until the pressure in the chamber is uniform and atmospheric, a condition which is taken to signify that the ‘entrainment appetite’ of the jet is satisfied. Measurements made with the apparatus have allowed the deduction of an entrainment law relating mass flow rate, jet momentum, axial distance and air density, regardless of the injected gas, and including the effects of buoyancy. When the injected gas burns in the jet the entrainment rate is up to 30% lower than when it does not.

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Metadata

Authors
Ricou, F. P., & Spalding, D. B.
Venue
Journal of Fluid Mechanics
Published
1961-08
Volume
11
Issue
1
Pages
21-32
ISSN
  • 0022-1120 (ISSN-L)
  • 1469-7645
OpenAlex
W1964821297
Cited by
1,173
References
0
FWCI
9.57
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Measurements of entrainment by axisymmetrical turbulent jets. https://app.cochat.ai/papers/10.1017/s0022112061000834
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Ricou, F. P., & Spalding, D. B. (1961). Measurements of entrainment by axisymmetrical turbulent jets. Journal of Fluid Mechanics. https://doi.org/10.1017/s0022112061000834

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.