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SUMMARY:Direct Numerical Simulation (DNS) of Drop Dynamics
DTSTART:20171128T121500
DTEND:20171128T131500
DTSTAMP:20260509T063404Z
UID:ee6b13b10be3eacd5a0181c5a7622f1f3c95994b52101514b9021686
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Bernhard Weigand\nIGM Colloquium\n\nThe numerical predic
 tion of two-phase flows is generally difficult. Normally a lot of simplifi
 cations and assumptions have to been made. On the other hand\, a lot of tw
 o-phase flow phenomena are present in our daily life and in a lot of techn
 ical processes. In many of these processes single droplets or interactions
  of droplets are of great interest (e.g. injection\, interaction and evapo
 ration of fuel droplets in a rocket or car engine or a gas turbine combust
 ion chamber\, clouds formation\, rain droplets\, air pollution\, sprays in
  medical applications\,…). The ITLR in Stuttgart has developed over the 
 past 20 years a CFD code named FS3D (Free Surface 3D)\, which is able to p
 redict droplet interactions\, droplet evaporation as well as jet instabili
 ties by using direct numerical simulation (DNS). The computational resourc
 es needed for this approach are high\, so that the code is run normally on
  the supercomputers in Stuttgart. Grid sizes of about several billion cell
 s have been used already successfully.\n \nIn this lecture several differ
 ent applications of FS3D will be shown after a short explanation of the ba
 sics of a direct numerical simulation. The examples range from droplet-dro
 plet collisions\, splashing\, primary jet break-up to evaporating droplets
  and compressor fogging.\n 
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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