http://www.cnr.it/ontology/cnr/individuo/prodotto/ID178757
Clustering and collisions of heavy particles in random smooth flows (Articolo in rivista)
- Type
- Label
- Clustering and collisions of heavy particles in random smooth flows (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.1940367 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- J. Bec; A. Celani; M. Cencini; S. Musacchio (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://pof.aip.org/resource/1/phfle6/v17/i7/p073301_s1 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (J. Bec)
1 Dipartimento di Fisica, Università di Roma \"La Sapienza,\" Piazzale Aldo Moro, 2 I-00185 Roma, Italy and Département Cassiopée, Observatoire de la Côte d'Azur, Boîte Postale 4229, 06304 Nice Cedex 4, France
(A. Celani)
2 Département Cassiopée, Observatoire de la Côte d'Azur, Boîte Postale 4229, 06304 Nice Cedex 4, France and CNRS, INLN, 1361 Route des Lucioles, 06560 Valbonne, France
(M. Cencini)
3 Istituto dei Sistemi Complessi ISC-CNR, Via dei Taurini, 19 I-00185 Roma, Italy and SMC-INFM Dipartimento di Fisica, Universit à di Roma \"La Sapienza\", Piazzale Aldo Moro, 2 I-00185 Roma, Italy
(S. Musacchio)
4 Dipartimento di Fisica, Università di Roma \"La Sapienza,\" Piazzale Aldo Moro, 2 I-00185 Roma, Italy and SMC-INFM Dipartimento di Fisica, Universit à di Roma \"La Sapienza\" Piazzale Aldo Moro, 2 I-00185 Roma, Italy (literal)
- Titolo
- Clustering and collisions of heavy particles in random smooth flows (literal)
- Abstract
- Finite-size impurities suspended in incompressible flows distribute inhomogeneously, leading to a drastic enhancement of collisions. A description of the dynamics in the full position-velocity phase space is essential to understand the underlying mechanisms, especially for polydisperse suspensions. These issues are studied here for particles much heavier than the fluid by means of a Lagrangian approach. It is shown that inertia enhances collision rates through two effects: correlation among particle positions induced by the carrier flow and uncorrelation between velocities due to their finite size. A phenomenological model yields an estimate of collision rates for particle pairs with different sizes. This approach is supported by numerical simulations in random flows. (literal)
- Prodotto di
- Autore CNR
Incoming links:
- Autore CNR di
- Prodotto
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi