Further observations on transition in a pipe.

Y. Rubin, Israel J Wygnanski, J. H. Haritonidis

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Fully developed Poiseuille flow in a pipe was artificially disturbed at x/D 400 and 1700 Re 4000. Puffs and slugs generated by the disturbance were identical to the structures observed when the flow in the inlet region underwent transition (Wygnanski and Champagne 1973). It was established that a slug which has all the attributes of a fully developed turbulent pipe flow is generated by the coalescence of puffs. The puff, which seems to contain a small number of toroidal eddies appears to be a fundamental coherent structure in a fully developed turbulent pipe flow. Artificially generated successions of puffs, which were allowed to interact, closely resembled a slug. The evolution of a slug from puffs was thus established.

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
PublisherSpringer, Verlag
Edition(eds.), Berlin, Fed. Rep. Germany, Springer, Verlag, 1980, Se...
ISBN (Print)354010142X, 9783540101420
StatePublished - Jan 1 1980
Externally publishedYes

Fingerprint

Pipe flow
Pipe
Coalescence

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Rubin, Y., Wygnanski, I. J., & Haritonidis, J. H. (1980). Further observations on transition in a pipe. In Unknown Host Publication Title ((eds.), Berlin, Fed. Rep. Germany, Springer, Verlag, 1980, Se... ed.). Springer, Verlag.

Further observations on transition in a pipe. / Rubin, Y.; Wygnanski, Israel J; Haritonidis, J. H.

Unknown Host Publication Title. (eds.), Berlin, Fed. Rep. Germany, Springer, Verlag, 1980, Se... ed. Springer, Verlag, 1980.

Research output: Chapter in Book/Report/Conference proceedingChapter

Rubin, Y, Wygnanski, IJ & Haritonidis, JH 1980, Further observations on transition in a pipe. in Unknown Host Publication Title. (eds.), Berlin, Fed. Rep. Germany, Springer, Verlag, 1980, Se... edn, Springer, Verlag.
Rubin Y, Wygnanski IJ, Haritonidis JH. Further observations on transition in a pipe. In Unknown Host Publication Title. (eds.), Berlin, Fed. Rep. Germany, Springer, Verlag, 1980, Se... ed. Springer, Verlag. 1980
Rubin, Y. ; Wygnanski, Israel J ; Haritonidis, J. H. / Further observations on transition in a pipe. Unknown Host Publication Title. (eds.), Berlin, Fed. Rep. Germany, Springer, Verlag, 1980, Se... ed. Springer, Verlag, 1980.
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