Plane Turbulent Plumes in Coflowing Streams
Publication: Journal of Engineering Mechanics
Volume 109, Issue 5
Abstract
This note presents the results of an analytical study on the growth of plane turbulent plumes in coflowing streams. Similarity analysis of the integrated continuity, momentum, and buoyancy conservation equations has shown the velocity scale (with reference to the coflowing stream) remains constant with the axial distance x whereas the length scale grows linearly with x and the density defect scale varies inversely with x. Regarding the characteristic coefficients involved in these three expressions, if one of them is obtained experimentally, the other two can be evaluated using the expressions developed in this note.
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References
1.
Bradbury, L. J. S., “The Structure of a Self‐preserving Turbulent Jet,” Journal of Fluid Mechanics, Vol. 23, 1965, pp. 31–64.
2.
Lal, P. B. B., and Rajaratnam, N., “Turbulent Jets in Coflowing Streams,” Journal of the Engineering Mechanics Division, Vol. 105, No. EM6, Dec., 1979, pp. 1025–1038.
3.
Morton, B. R., Taylor, G. I., and Turner, J. S., “Turbulent Gravitational Convection from Maintained and Instantaneous Sources,” Proceedings, Royal Society, Vol. A234, London, England, 1956, pp. 1–23.
4.
Patel, R. P., “Turbulent Jets and Wall Jets in Uniform Streaming Flow,” Aeronautical Quarterly, Vol. 22, London, England, 1971, pp. 311–326.
5.
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6.
Weinstein, A. S., Osterle, J. F., and Forstall, W., “Momentum Diffusion from a Slot Jet into a Moving Secondary,” Journal of Applied Mechanics, American Society of Mechanical Engineers, Vol. 23, 1956, pp. 437–443.
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Published In
Journal of Engineering Mechanics
Volume 109 • Issue 5 • October 1983
Pages: 1299 - 1303
Copyright
Copyright © 1983 ASCE.
History
Published online: Oct 1, 1983
Published in print: Oct 1983
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