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Turbulence will be introduced as the typical state of real flowing viscous fluids (historical overview). Attributes of turbulence will be presented (diffusivity, deterministic chaos, fractal structure…). A mathematical model will be introduced and its basic properties will be shown including the Kolmogorov theory. Then a few phenomenological aspects will demonstrate the typical features of the phenomenon (stability, complexity…).
The aim of the Colloquium is to facilitate the exchange of up to date information and knowledge among specialists in dynamic of machines and mechanical systems. The main attention will be focused on: »»»
The aim of the conference is to discuss contemporary problems of fluid mechanics and to bring out latest results obtained in the course of solution of grant projects supported by grant agencies in Czech Republic and abroad. The attendance of experts from the academician institutes, technical universities and from the other research institutions is assumed. The official languages of the conference are English and Czech. »»»
Prague November 23-24, 2010 The 11th seminar will discuss the problems of interaction od dynamical systems with the surrounding liquid or gas environment and the problems of dynamic systems with feedback. »»»
The Institute of Thermomechanics AS CR, v.v.i., Prague, the Czech Society for Mechanics and the ERCOFTAC Czech Pilot Centre will organize Colloquium FLUID DYNAMICS 2010 held on October 20 – 22, 2010. »»»
Dr. Hiromasa Nakayama is a researcher in the Japan Atomic Energy Agency, Ibaraki, Japan.
Abstract: There is a potential problem that hazardous and flammable materials are accidentally or intentionally released into the atmosphere, either within or close to populated urban areas. For the assessment of human health hazard from toxic substances, the existence of high concentration peaks in a plume should be considered. »»»
We kindly invite you to the following two lectures: »»»
We kindly invite you to the following two lectures: »»»
When a disk rotates at constant angular velocity in otherwise still fluid a boundary layer flow is established close to the disk. Obviously the local velocity of the disk increases with radius, but to a first approximation, this radial variation of the basic flow can be neglected to produce a "local" parallel-flow linear stability theory. »»»
The highly accurate simulation of turbulent rotating flows within cavity is of interest for both engineering applications, such as designing rotational machinery, and fundamental research, as one of the simplest cases where the turbulent boundary layers are three-dimensional. Attempting to compute these flows using statistical approaches has had only partial success. »»»
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