Turbulence and Astrophysics

..... a few web sites for your pleasure .....

 I recently got interested in the applications of turbulence in astrophysics ....

  Astrophysical fluid dynamics studies have been largely developed over the last decades, because of the improvement of both experimental observational techniques and numerical simulations. Turbulent conditions are encountered in most of the astrophysical and cosmological situations. In some cases, close link with the standard Kolmogorov-type phenomonelogy can be displayed but, in many cases, other forces (such as magnetism or gravitation) become dominant so that specific new theoretical ideas or numerical techniques must be worked out. In particular, in the pressureless dust-like interstellar medium, the turbulence is nearly infinitely compressible, and is thus governed by Burgers equation, but gravitation has to be taken into account at the very large scales. On the other hand, inside stars, thermal buoyancy effects are dominant in the convective zone while the interaction with magnetic fields and their generation is important near the surface, in particular to explain the heating of the corona or the generation of stellar winds. It is thus very difficult to handle simultaneously all of these situations and different models have to be used in each of these.

  Turbulent situations are encountered in astrophysics and cosmology in various problems such as the formation of the large scale structures of the universe, of the stars or the planets, and specific strategies (or models) have been developed for these applications. Turbulence is also very important in the functioning of stars which are very complicated "thermal machines", for which the strong coupling with magnetic effects is essential. The interplay between turbulence and gravitation is also essential to explain the specific anisotropic shapes of protoplanetary discs, galaxies or the largest structures of the universe.

  The standard Kolmogorov-type phenomenology must be revised to account for magnetic, convective or supersonic effects on the interstellar matter properties, specific sets of equations or approximations must be used to account for the presence of specific body forces, whilst similarities and differences exist between statistical velocity properties obtained in classical wind tunnel experiments and those of, for instance, the solar wind or the extra-galactic flows of dust and gases. As a consequence, numerical simulations are, in many cases, the only "measurements" that can be made.

                                                          ..... so I invite you to discover with me

the fascinating world of astrophysics   :

 (Images magnifiques d') Hubble (wonderful pictures)

Images faites par des astronomes amateurs :
                                                                              Michel Peyro       Gérard Thérin
Pictures made by non-professional astronomers  :

(A few) Sites in French                (A few) Sites in English          Livres / Books

A list of web sites (in french) owned by non-professional astronomers

Sites in French (non exhaustive list ....)

(Quelques) Sites institutionnels :

La mission du satellite Planck (rayonnement fossile)

Institut de Mécanique Céleste (Bureau des Longitudes)

Laboratoire d'Astrophysique de Grenoble

Laboratoire d'Astrophysique de Marseille

.....      celebrates its 300 years
Observatoire Midi-Pyrénées

Observatoire de Nice

Observatoire de Paris-Astronomie solaire

(Quelques) Sites personnels :

La mission Archeops : un regard vers les origines de l'Univers

Découvrir le ciel avec un club d'astronomie I

Découvrir le ciel avec un club d'astronomie II

Découvrir le ciel avec un club d'astronomie III

La physique solaire à l'école I

La physique solaire à l'école II

La revue Astronomie Magazine

La revue Ciel et Espace

Le ciel est bleu  ...  pourquoi ??

Les neuf planètes

Les notions de base accessibles à tous I

Les notions de base accessibles à tous II

Les particules et l'Univers

Des satellites pour observer les océans

Remonter dans le passé de l'Univers

Un site sur les astéroides

Un site sur Mars (et bien d'autres choses !!!)

Un site sur le soleil


Sites in English (non exhaustive list ....)

Institutional sites

Mars exploration

Jupiter exploration (Galileo)

Saturn exploration (Cassini)

Observation of the solar system

Observation of the sun (Soho)

Observation of the sun (Yokhoh)

Personal pages

Archeops : looking towards the origin of the Universe

Basic turbulence I
(and applications in astrophysics)

Basic turbulence II
(and applications for studying the dynamo effect)

Galactic dynamics


(its astrophysical applications)

Near-earth objects I

Near-earth objects II

Strings and cosmology ...

Livres / Books           (Liste au format .pdf / list as a .pdf file)

Compte-rendu à télécharger d'un atelier de travail sur Astrophysique et Turbulence / Download workshop proceedings on Astrophysics and Turbulence

AUDOUZE J. 2000. L'univers. Que Sais-je, Paris.

BENEST D., FROESCHLE C., Editors. 1995. Chaos and diffusion in Hamiltonian systems, Editions Frontières, Paris.

BENEST D., FROESCHLE C. 1999. Invitation aux planètes, Editions Eska, Paris.

BENEST D., FROESCHLE C. 1999. Astéroïdes, météorites et poussières interplanétaires, Editions Eska, Paris.

BLANCHARD A. 1995. L'univers. Dominos, Flammarion, Paris.

BLANCHARD A., BOISSE P., COMBES F., MAZURE A. 2002. Galaxies et cosmologie. CNRS Editions, Paris.

BURLAGA L.F. 1995.Interplanetary magnetohydrodynamics.Oxford University Press, New-York.

CAPUZZO-DOLCETTA R., CHIOSI C., DI FAZIO A., Editors.1990. Physical processes in fragmentation and star formation.Kluwer, Dordrecht.

CHASSAING P. 2000. Turbulence en mécanique des fluides. CEPADUES Editions, Toulouse.

CHERNOV L.A. 1961.Wave propagation in a random medium, 1° édition anglaise. Mac Graw Hill, New-York.

COANTIC M., ANSELMET F., TAVERA G. 2003. La turbulence, Publié dans l'Encyclopaedia Universalis, Paris.

COUSTEIX J. 1989. Turbulence et couche limite. CEPADUES Editions, Toulouse.

FRISCH U. 1995. Turbulence : the legacy of A.N. Kolmogorov. Cambridge University Press.

GREENE B. 2000. L'Univers élégant. Robert Laffont (also Norton and Co., New York 1999).

ISHIMARU A. 1978.Wave propagation and scattering in random media. Academic Press, New-York.

LANTOS P. 1994. Le soleil. Que sais je, Paris.

LA RECHERCHE. 1998.Naissance et histoire du cosmos. Hors Série, Avril.

LENA P., Editeur.1996. Les sciences du ciel. Flammarion, Paris.

LEQUEUX J. 1976. Planètes et satellites. Que sais je, Paris.

LEQUEUX J., FALGARONE E., RYTER C. 2002. Le milieu interstellaire. CNRS Editions, Paris.

LESIEUR M. 1994. La turbulence. Presses Universitaires de Grenoble.

LESIEUR M. 1997. Turbulence in fluids, 3° Ed. Kluwer, Dordrecht.

LURCAT F. 1999. Le chaos. Que sais je, Paris.

Mc COMB W.D. 1990. The physics of fluid turbulence.Clarendon Press, Oxford.

MENEGUZZI M., POUQUET A., SULEM P.L., Editeurs. 1995. Small-scale structures in three-dimensional hydrodynamic and magnetohydrodynamic turbulence. Springer.

MONIN A.S., YAGLOM A.M. 1975. Statistical fluid mechanics : mechanics of turbulence, Vols. 1 et 2.M. I. T. Press, Cambridge, Mass.

MONTMERLE T.,  PRANTZOS N. 1998. Naissance, vie et mort des étoiles. Que sais-je, Paris.

MOREAU R. Magnetohydrodynamics, Ed. Kluwer, Dordrecht.

NATAF H.C., SOMMERIA J., Editeurs.2000.La physique et la terre.Belin-CNRS Editions, Paris.

PANOFSKY H.A., DUTTON J.A. 1984.Atmospheric turbulence. John Wiley and Sons.

PASSOT T., SULEM P.L., Editors.1999. Nonlinear MHD waves and turbulence. Springer.

POPE S.B. 2000. Turbulent flows. Cambridge University Press.

POUR LA SCIENCE. 1994. La vie dans l'univers. N° Spécial, Décembre.

POUR LA SCIENCE. 2001.Vie et mœurs des étoiles. Hors Série, Janvier.

PRIEST E., FORBES T. 2000. Magnetic reconnection.Cambridge University Press.

ROBERTS P.H., GLATZMAIER G.A. 2000. Geodynamo theory and simulations. Rev. Modern Physics, 72/4, pp. 1081-1123.

SCHIESTEL R. 1993. Modélisation et simulation des écoulements turbulents. Hermès, Paris.

SILK J. 1999. Le big-bang. Livre de Poche, Paris (aussi 1997,  Editions Odile Jacob, Paris ; et Freeman, 2001).

TATARSKII V.I. 1961.Wave propagation in a turbulent medium, 1° édition anglaise. Mac Graw Hill, New-York.

ZAHN J.P., ZIIN-JUSTIN J., Editeurs.1993. Astrophysical fluid dynamics (Les Houches, 1987). Elsevier ou North-Holland.

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Last revised: July 28, 2009

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