Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 CFD related Research & Development at the DEPARTMENT of FLUID MECHANICS Budapest University of Technology and Economics HUNGARY Prof. Tamás LAJOS Dr. Gergely KRISTÓF Dr. János VAD
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Radial pump simulation : comparisonof simulated flow field and PIV data PIV measurement FLUENT simulation
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Optimization of side-channel fuel pumpof cars φ=0. 64 Cavitationzone Hydraulic losses Pressure distribution
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Simulationof exhaust system : nonuniformload of cataliticconverter
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Vehicle. Aerodynamics Flow topology and validation on isolated wheel Flow topology in wheelhouse, interaction of flow inside wheelhouse and vehicle body
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Measurementand numericalsimulationof pollutantdispersion in urban atmosphere Numerical and wind tunnel model of Millennium. City Center Pollutantconcentration Comparisonof simulation and measurement
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Numerical simulationand wind tunnel measurementof wind forces Budapest Arena Measured in wind-tunnel Ice-stadium. Essen FLUENT 5. 5
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Air-conditioning ventilation of large halls & Streamlinesand temperature in a concert hall Flow in aula of a bank Smoke dispersion in Sport Arena Streamlinesin Opera-house Temperaturein Sport Arena
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Applicationof CFD in energetics NOx reductionin boiler Simulationof flow in steam turbine stage Optimization flow in boilers of
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Coherentstructure extraction PIV measurements on a flow over a rectangular, open cavity Extraction of coherent structures from turbulent flows by Proper Orthogonal Decomposition (POD) Flow direction Coherent structures, which characterize temporal features (energetic vortex shedding process found by POD)
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 LES of flow past a Danube bridge: comparisonof simulationand wind tunnel results, fluctuationof lift force
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Description of turbulent ribbed duct flow, using result of Large Eddy Simulation s Application: internal cooling of turbine blades Mesh, recirculation regions Validation to PIV measurement Mixing by the mean flow High TKE region
Fluid Mechanics Community Meeting, TU WIEN, September 30 th 2004 Conference on Modelling Fluid Flow September 3 -6, 2003 Organizedby Departmentof Fluid Mechanics 170 papers from 30 countries BUDAPEST / HUNGARY Conference. Proceedings of the previous CMFF’ 03 in Vol. I-II. NEXT CMFF EVENT in 2006 J. Vad, T. Lajos, R. Schilling (Eds. ) Modelling Fluid. Flow / The State of the Art -invited lectures -summaries of workshops -selected papers SPRINGER Verlag 2004 ISBN 3 -540 -22031 -3
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