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Advances in Turbulence V: Proceedings of the Fifth European by R. A. Antonia, Y. Zhu, M. Sokolov (auth.), Roberto Benzi

By R. A. Antonia, Y. Zhu, M. Sokolov (auth.), Roberto Benzi (eds.)

Under the auspices of the Euromech Committee, the 5th ecu Turbulence convention was once held in Siena on 5-8 July 1994. Following the former and so forth assembly in Lyon (1986), Berlin (1988), Stockholm (1990) and Delft (1992), the 5th and so on used to be geared toward delivering a overview of the elemental facets of turbulence from a theoretical, numerical and experimental standpoint. within the really good city of Siena, greater than 250 scientists from around the world, spent 4 days discussing new rules on turbulence. As a study employee within the box of turbulence, i have to say that the works awarded on the convention, on which this ebook relies, lined just about all components during this box. I additionally imagine that this e-book offers an important chance to have a whole review of the latest study works. i'm tremendous thankful to Prof. C. Cercignani, Dr. M. Loffredo, and Prof. R. Piva who, as participants of the neighborhood organizing committee, proportion the good fortune of the convention. I additionally are looking to thank Mrs. Liu' Catena, for her important contribution to the paintings performed through the neighborhood organizing committee and the ecu Turbulence Committee within the clinical association of the assembly. The "Servizio Congressi" of the college of Siena supplied ideal association in Siena and lovely hospitality. The convention has been supported through CNR, Cira, Alenia, the schools of Rome "Tor Vergata" and "La Sapienza".

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Extra resources for Advances in Turbulence V: Proceedings of the Fifth European Turbulence Conference, Siena, Italy, 5–8 July 1994

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Fluid Meclwnics 222, (1991),61-94. D,Wave interactions and Fluid Flows,Cambridge University Press,1985. , Tesi di Dottorato di Ricerca, to be published. , to be presented at the XXIV Convegno di Idraulica e Costruzioni Idrauliche, Napoli, september 1994. S. ,IUTAM Symposiwn,G6ttingen, (1992),131-134. THE SPATIO-TEMPORAL INTERMITTENCY OF THE VELOCITY FIELD IN LOW-RESOLUTION LARGE-EDDY SIMULATIONS OF HOMOGENEOUS TURBULENCE M. BRISCOLINI* & P. SANTANGELO* *IBM ECSEC European Center for Scientific and Engineering Computing, Viale Oceano Pacifico 171, 00144, Roma, Italy Abstract.

T H3 II/X, where 9 is the acceleration TABLE 1. 2 In this paper we concentrate on the scaling behaviour of the spatial structure functions, defined as follows: Sp(r) = (lV(x + r) - V(xW) = (loV(rW) Rp(r) = (IT(x + r) - T(xW) = (loT(rW) (1) (2) The scaling laws of Sp(r) and Rp(r) are still not well understood theoretically. An old conjecture, proposed by Bolgiano several years ago (Bolgiano 1959, ), can be summarized by the equation: (3) implying a balance between thermal forcing and non-linear velocity advection in the Boussinesq equation.

General circulation experiments with the primitive equations. Mon. , 91(3):99-165, 1963. S. Turner. Turbulent entrainment: the development of the entrainment assumption, and its application to geophysical flows. J. , 173:431-471, 1986. EXTENDED SELF SIMILARITY AND CONVECTIVE TURBULENCE R. BENZI Dipartimento di Fisica, Universitd "Tor Vergata" Via E. Carnevale, I-00173 Roma, Italy F. le Aldo Moro 5, I-00185 Roma, Italy S. le Oceano Pacifico 171, 1-00144 Roma,Italy AND R. TRIPICCIONE Dipartimento di Fisica, Universitd di Pisa and INFN, Sezione di Pisa Via Livornese 582, I-56100 Pis a, Italy Abstract.

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