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Inertial collisions in random flows


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Title: Inertial collisions in random flows
Authors: Gustafsson, Kristian
E-mail: kristian.gustafsson@physics.gu.se
Issue Date: 13-May-2011
University: Göteborgs universitet. Naturvetenskapliga fakulteten
Institution: Department of Physics ; Institutionen för fysik
Parts of work: [I] K. Gustavsson, B. Mehlig, M. Wilkinson and V. Uski, Variable-Range projection model for turbulence driven collisions, Phys. Rev. Lett. 101, 174503 (2008).
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[II] K. Gustavsson and B. Mehlig, Distribution of relative velocities in turbulent aerosols (2010) Unpublished manuscript.

[III] K. Gustavsson and B. Mehlig, Relative velocities of inertial particles in random flows (2011) Unpublished manuscript.

[IV] K. Gustavsson and B. Mehlig, Ergodic and non-ergodic clustering of inertial particles (2011) Unpublished manuscript.

[V] M. Wilkinson, B. Mehlig and K. Gustavsson, Correlation dimension of inertial particles in random flows, Europhys. Lett. 89, 50002 (2010)
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[VI] M. Wilkinson, B. Mehlig, K. Gustavsson and E. Werner, Clustering of exponentially separating trajectories (2010) Unpublished manuscript.
Date of Defence: 2011-06-03
Disputation: Fredagen den 3 juni 2011, kl 10.00, Euler, Institutionen för matematiska vetenskaper, Chalmers Tvärgata 3, Göteborg
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Keywords: Collisions
nonlinear dynamical systems
particles and aerosols
random processes
suspensions
turbulent diffusion
turbulent flows
Abstract: In nature, suspensions of small particles in fluids are common. An important example are rain droplets suspended in turbulent clouds. Such clouds can start to rain very quickly and the reason for this is still not fully explained, but it is believed that the turbulent motion in the cloud plays an important role. This thesis gives an introduction to the model we use to describe inertial particles suspended in such systems and some results coming from this model. We identify a general behavio... more
ISBN: 978-91-628-8248-8
URI: http://hdl.handle.net/2077/25190
Appears in Collections:Doctoral Theses / Doktorsavhandlingar Institutionen för fysik
Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet

 

 

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