Non-Spherical Particles and Aggregates in Fluid Flows

June 17 - June 21 2013

Venue: CISM, Palazzo del Torso, Piazza Garibaldi 18, 33100 Udine

Course description

Rationale - The course delivers a comprehensive overview of non-ideal particle/aggregate dynamics in complex fluids, and hence will be particularly attractive to graduate students, PhD candidates, young researchers and faculty members in applied physics and (chemical, mechanical) engineering. The advanced topics and the presentation of current progress in this very active field will also be of considerable interest to many senior researchers, as well as industrial practitioners having a strong research interest in understanding the multi-scale complex behavior of such multiphase flows, with particular emphasis on turbulent flows.

Scope - Dynamics of non-spherical particles and aggregates in fluid flow are encountered both in nature and in industrial applications. Transport and interaction of particles/aggregates in complex (e.g. turbulent) flows is governed by a number of physical processes occurring at a wide range of different scales. The rapidly increasing computational power has recently made feasible three-dimensional, time-dependent simulations of non-ideal particles in fluid flows, producing an entire branch of flourishing literature which is fostering research in dispersed multiphase flow. Progress has been substantial also from an experimental viewpoint, with improved measurement techniques based on optics or magnetic resonance flow imaging. Due to the multiscale nature of the problem, investigation and modelling require synergetic use of such approaches. Objective of the course is to provide a general and unified frame of the current research on the dynamical behaviour of non-spherical particles and particle aggregates in complex flows and put future research paths in perspective. The focus will be on generic aspects and physics of non-ideal particle suspensions (e.g. rheological properties in suspensions of anisotropic deformable particles, and modulation of turbulence induced by particles/aggregates). Issues related to modelling and physical understanding at all various length scales will be covered: from the scale resolving the complex flow around individual non-spherical particles, to large eddy simulation models for flows with particles, to large-scale Eulerian-Eulerian models. Among the topics to be included are particle dynamics in free and wall-bounded turbulence, fluid-particle interactions, collision modelling, break-up and agglomeration, advances in measurement and simulation techniques, and rheological modelling.


    Eric Climent (Institut de Mécanique des Fluides, Toulouse, France)
    Fredrik Lundell (Royal Institute of Technology, Stockholm Sweden)
    Cristian Marchioli (Università di Udine, Italy)
    Bernhard Mehlig (Goteborg University, Sweden)
    Eric Shaqfeh (Stanford University, CA, USA)
    Martin Sommerfeld (Martin Luther University, Wittenberg, Germany)
    Federico Toschi (Eindhoven University of Technology, The Netherlands)
    Marco Vanni (Politecnico di Torino, Italy)
    Berend van Wachem (Imperial College, London, UK)

Course homepage:


Travel - How to reach Udine

Udine is situated in the North Eastern part of Italy, about 90 km from Austria and 40 km from Slovenia.

By plane
There are three main airports serving the North East of Italy:
– Venezia (Marco Polo airport)
– Trieste (Ronchi dei Legionari airport)
– Treviso (Antonio Canova airport).

The best international connections are through Venice airport “Marco Polo” (IATA code VCE).
From this airport you may easily reach Udine by train using the close railway station of Mestre. Mestre railway station is connected by bus to the Marco Polo airport (ask for the bus to Mestre, not to Venezia, piazzale Roma). There are two bus services:
1. ATVO Fly Bus ( runs daily, every 20 minutes approximately. Journey time is 20 minutes. Tickets may be purchased inside the arrival hall at the ATVO box, € 5,00 luggage included.
2. ACTV (town transport service, bus number 15 – orange): runs daily, every 30 minutes. Journey time is 25-30 minutes approximately. Tickets: inside the arrivals hall, € 1,30 luggage not included. Both ACTV and ATVO lines also provide bus service to Venezia (piazzale Roma). From Mestre railway station there are several trains to Udine, on the line Venezia-Vienna. Trains run almost every hour: . Some require supplements or seat reservation. The journey takes about 2 hours.

For more information on Venice airport and connecting services check:

For train connections:

The nearest airport to Udine is at Ronchi dei Legionari also known as Trieste airport (IATA code TRS). Routing is mainly through Milano and Roma.
From this airport there is a bus service to/from Udine run by APT Gorizia (line number 51). Schedules and fares are available at APT Gorizia ( or calling the bus operator (+39–0481–593511). Arrival in Udine is at the central bus station, in front of the railway station. Journey time is approximately 45 minutes. Tickets can be purchased at the airport in the arrivals hall, with an automatic machine for self-ticketing and at Tourist Information Counter (Turismo FVG). Leaving Udine, tickets can be found at the bus station.
For more information on Trieste airport and connecting services check:

Treviso airport  (IATA code TSF) is about 30 km from Venice and 3 km from the CITY centre. public bus service (number 6) operates every 30 minutes from/to Treviso railway station. The journey takes about 15-20 minutes. From the railway station you may catch a train to Udine on the Venezia/Mestre – Udine line (no need to go to Venezia).
For more information on Venice airport and connecting services check:
For train connections:

By train
Udine is on the line Venezia-Vienna. Trains run almost every hour. The journey takes about 2 hours. Some trains require supplements or seat reservation. For train connections:

By car
Udine is on the A23 motorway Udine-Tarvisio. If you are approaching via the A4 Venezia-Trieste motorway, exit at “Udine Sud”. Detailed information is available at


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