For this purpose, evaluation models for process analysis are being developed and validated, which comprehend multi-phase phenomena as well as thermal aspects and chemical reactions. The institute is coordinating a joint research effort on increasing the energy efficiency of multi-phase processes in chemical industry within a Helmholtz Energy Alliance.
Examples for the developement of advanced measurement techniques for multi-phase, non-opaque flows are wire-mesh sensors, fast X-ray and gamma tomography as well as ultrasonic and inductive tomography methods for metal melts.
The Trouble With Turbulence
A number of unique experimental facilities in our institute allow for applied research of complex flow regimes which are relevant to processes in, e. The new department "Transport processes at interfaces" established in Oct. Research in magnetohydrodynamics deals with flow phenomena of electrically conducting liquids and its interaction with or control by electromagnetic fields. Applied research is performed for designing customised magnetic fields to optimize industrial processes in metallurgy, crystal growth, as well as electrochemistry.
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Read Later. By Kevin Hartnett January 16, The concept of pressure is central to the study of both fluid statics and fluid dynamics. A pressure can be identified for every point in a body of fluid, regardless of whether the fluid is in motion or not. Pressure can be measured using an aneroid, Bourdon tube, mercury column, or various other methods. Some of the terminology that is necessary in the study of fluid dynamics is not found in other similar areas of study. In particular, some of the terminology used in fluid dynamics is not used in fluid statics.
The concepts of total pressure and dynamic pressure arise from Bernoulli's equation and are significant in the study of all fluid flows. These two pressures are not pressures in the usual sense—they cannot be measured using an aneroid, Bourdon tube or mercury column. To avoid potential ambiguity when referring to pressure in fluid dynamics, many authors use the term static pressure to distinguish it from total pressure and dynamic pressure.
Static pressure is identical to pressure and can be identified for every point in a fluid flow field. A point in a fluid flow where the flow has come to rest i. It is of such importance that it is given a special name—a stagnation point. The static pressure at the stagnation point is of special significance and is given its own name— stagnation pressure. In incompressible flows, the stagnation pressure at a stagnation point is equal to the total pressure throughout the flow field. In a compressible fluid, it is convenient to define the total conditions also called stagnation conditions for all thermodynamic state properties e.
These total flow conditions are a function of the fluid velocity and have different values in frames of reference with different motion. To avoid potential ambiguity when referring to the properties of the fluid associated with the state of the fluid rather than its motion, the prefix "static" is commonly used e. Where there is no prefix, the fluid property is the static condition i. The static conditions are independent of the frame of reference. Because the total flow conditions are defined by isentropically bringing the fluid to rest, there is no need to distinguish between total entropy and static entropy as they are always equal by definition.
As such, entropy is most commonly referred to as simply "entropy".source site
From Wikipedia, the free encyclopedia. Sub-discipline of fluid mechanics. Solid mechanics. Fluid mechanics.
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Surface tension Capillary action. Main article: Magnetohydrodynamics. Acoustic theory Aerodynamics Aeroelasticity Aeronautics Computational fluid dynamics Flow measurement Geophysical fluid dynamics Hemodynamics Hydraulics Hydrology Hydrostatics Electrohydrodynamics Magnetohydrodynamics Metafluid dynamics Quantum hydrodynamics. Airy wave theory Benjamin—Bona—Mahony equation Boussinesq approximation water waves Different types of boundary conditions in fluid dynamics Helmholtz's theorems Kirchhoff equations Knudsen equation Manning equation Mild-slope equation Morison equation Navier—Stokes equations Oseen flow Poiseuille's law Pressure head Relativistic Euler equations Stokes stream function Stream function Streamlines, streaklines and pathlines Torricelli's Law.
List of hydrodynamic instabilities Newtonian fluid Non-Newtonian fluid Surface tension Vapour pressure. Important publications in fluid dynamics Isosurface Keulegan—Carpenter number Rotating tank Sound barrier Beta plane Immersed boundary method Bridge scour Finite volume method for unsteady flow. Fundamentals of Aerodynamics 4th ed.
Leeds Institute for Fluid Dynamics
London: McGraw—Hill. Journal of Computational Physics. Bibcode : JCoPh. Viscous Fluid Flow. New York: McGraw—Hill. Fluids 21, ; doi : Fluid Mechanics. London: Pergamon. Dimensionless numbers in fluid mechanics. Branches of physics.
Using fluid dynamics to perfect crêpe cooking techniques
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