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KITP Conference: Atmospheres, Oceans, Earths -- Unifying perspectives on geophysical and environmental multiphase flows
(Oct 31 - Nov 3, 2022)
Coordinators: Elisabeth Guazzelli, Michael Manga, and Ray Shaw

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Conference Overview | talks | PodcastXML | Schedule | PDF Schedule | Program Overview

Monday, Oct 31, 2022

Multiphase turbulent flows, Chair: Raymond Shaw (Michigan Technological U)

8:50am Lars Bildsten (KITP) Welcome[Video][CC]
9:00am Alfredo Soldati (TU Wien) Dynamics of anisotropic fibers in turbulent shear flow[Video][CC]
9:30am Rama Govindarajan (ICTS) Aspects of particle transport in vortical flow[Video][CC]
10:00am Federico Toschi (TU Eindhoven) How the growth of ice depends on the fluid dynamics underneath[Video][CC]
10:30am

Morning Break

11:00am Herman Clercx (TU Eindhoven) On dispersion, preferential concentration and settling of inertial particles in (stratified) turbulence[Slides][Video][CC]
11:45am Jeremie Bec (CNRS) Turbophoresis of heavy inertial particles in statistically homogeneous flow[Slides][Video][CC]
12:30pm

Lunch Break

Turbulence and clouds, Chair: Eckart Meiburg (UCSB)

2:00pm Eberhard Bodenschatz (MPI) In situ measurements of cloud microphysics in the field[Video][CC]
2:30pm Alain Pumir (ENS Lyon) Settling and collision of ice crystals in turbulent clouds[Slides][Video][CC]
3:00pm Sisi Chen (NCAR) Studying ice-droplet-turbulence interactions at an ultra-fine scale via direct numerical simulation[Video][CC]
3:30pm

Afternoon Break

4:00pm Poster Session 1
5:30pm

SHUTTLE TO BWSCI

Tuesday, Nov 1, 2022

Atmospheric clouds 1, Chair: Raymond Shaw (Michigan Technological U)

9:00am Anna Jaruga (Caltech) Particle-based methods for cloud microphysics: towards learning climate model parameterizations from libraries of particle simulations[Slides][Video][CC]
9:30am Graham Feingold (NOAA) Top-down and bottom-up approaches to the complex atmospheric system[Video][CC]
10:00am Fabian Hoffmann (U Munich) Zooming out: understanding cloud systems from complex and idealized models[Video][CC]
10:30am

Morning Break

11:00am Ilan Koren (Weizmann Inst.) Cloud fields - living near the bifurcation point[Video][CC]
11:30am Franziska Glassmeier (TU Delft) Chances & challenges for capturing mesoscale cloudiness[Video][CC]
12:00pm

Lunch Break

Atmospheric clouds 2, Chair: Anna Jaruga (Caltech)

2:00pm Adele Igel (UC Davis) Modulation by cloud droplet size of microphysical and radiative processes and their feedbacks to mixing at cloud top[Video][CC]
2:45pm Joao Teixeira (JPL) Turbulence, clouds and climate models[Video][CC]
3:30pm

Afternoon Break

4:00pm Poster Session 2
5:30pm

Cocktail Reception

6:00pm

Dinner

8:00pm

Shuttle to BWSCI

Wednesday, Nov 2, 2022

Granular/suspension flows: settling, creeping, shearing, Chair: Elisabeth Guazzelli (Université Paris Cité, CNRS)

9:00am Mathew Wells (U Toronto) Influence of convective sedimentation on particle settling rates beneath river plumes[Video][CC]
9:45am Jeffrey Morris (CCNY) Two topics in sheared suspensions: Contact force networks and inertial flow transitions[Slides][Video][CC]
10:30am

Morning Break

11:00am Cacey Bester (Swarthmore) Granular physics with a geological context: Creep in a photoelastic granular medium[Slides][Video][CC]
11:30am Bernhard Vowinckel (TU Braunschweig) Rheology of sheared sediment beds: Particle resolved simulations[Slides][Video][CC]
12:00pm Franco Tapia (U. Tokyo) Local rheology: Viscous to inertial transition in dense suspensions[Video][CC]
12:30pm

Lunch Break

Granular/suspension flows: The granularity of particulate flows

2:00pm Pascale Aussillous (Aix-Marseille U) Flow of immersed granular media: experiments and continuum two-phase modelling[Slides][Video][CC]
2:45pm Tian-Jian Hsu (U Delaware) The role of turbulent coherent structures on the evolving seabed[Slides][Video][CC]
3:30pm

Afternoon Break

4:00pm Corey O'hern (Yale) Local fluctuations in the shear modulus of granular beds[Slides][Video][CC]
4:45pm Kyle Strom (Virginia Tech) Field and laboratory observations of floc aggregates in muddy suspensions[Video][CC]
5:30pm

Cocktail Reception

6:00pm

Dinners

8:00pm

Shuttle to BWSCI

Thursday, Nov 3, 2022

Geophysical flows can be creepy, Chair: Michael Manga (Berkeley)

9:00am Douglas Jerolmack (U Penn) From creepy to catastrophic: some puzzling behaviors of natural particle-fluid mixtures across the dry to dilute regimes[Video][CC]
9:30am Kimberly Hill (Minnesota) Considerations of simultaneous influences of climate, local sediments, and hydrology in the behaviors of debris flows on alluvial fans: field measurements and laboratory experiments[Video][CC]
10:00am George Bergantz (UW) On the remarkable diversity of multiphase processes in volcanic systems[Slides][Video][CC]
10:30am

Morning Break

11:00am Valerie Vidal (ENS Lyon) Emergence of oscillations during fluid injection in water-saturated sands[Video][CC]
11:45am Nathalie Vriend (CU Boulder) Bedform dynamics: interaction, attraction and repulsion of dunes[Video][CC]
12:30pm

Lunch Break

Explosive volcanic eruptions, Chair: Michael Manga (Berkeley)

2:00pm Joe Dufek (U Oregon) Granular and fluid instabilities in explosive volcanic eruptions: Consequences of clustering and collisions in compressible flows[Video][CC]
2:30pm Gert Lube (Massey U) The turbulence characteristics of pyroclastic density currents and their relationships with flow runout, deposition, and hazard behaviours[Video][CC]
3:00pm Olivier Roche (IRD-UCA) Factors controlling the runout distance of pyroclastic density currents: statistical analysis and implications[Video][CC]
3:30pm

CONFERENCE END SHUTTLE TO BWSCI *Also available to SB Airport and SB Airbus, Goleta location (See Registration Desk BEFORE THURSDAY to sign up.)

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