About: High-Frequency Unsteady Radial Turbine Map Approximation and Extrapolation by 1-D simulation using GT Power Modules     Goto   Sponge   Distinct   Permalink

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Description
  • Náhrada experimentálně zjištěné charakteristiky radiální turbiny v blízkosti optimálního rychlostního poměru pomocí nového plně nestacionárního 1-D modelu o 10 kalibračních parametrech. Jejich hodnoty mohou být zjištěny optimalizací poté, co je nová procedura, využívající solver GT Power, implementována do GT Suite a provozována na simulovaném stanovišti pro zkoušení turbodmychadel. Výsledky respektují plně nestacionární provoz turbiny a jsou vhodné pro extrapolaci do velmi odlišných rychlostních poměrů. Výhodné použití při 1-D simulaci přechodových režimů. (cs)
  • Experiment based turbine map consists in reduced mass flow rate or isentropic efficiency in dependence on pressure ratio close to optimum reduced speed (blade tip speed ratio). It is described and parametrized by the new fully-unsteady 1-D model of 10 calibration parameters - SAE 2002-01- 0377 based on GT Power unsteady flow modules. The best fitting is possible using optimizer - SAE 2008-01-0295. The model is directly built-in in GT Power without using lumped-parameter turbine maps. The calibration is done simulating steady-operation at turbocharger test-rig in GT Power and comparing the results to steady-operation turbine map. The results are suitable for extrapolation to broad range of blade tip speed ratios and may be used in 1-D engine simulations, especially at transient operation.
  • Experiment based turbine map consists in reduced mass flow rate or isentropic efficiency in dependence on pressure ratio close to optimum reduced speed (blade tip speed ratio). It is described and parametrized by the new fully-unsteady 1-D model of 10 calibration parameters - SAE 2002-01- 0377 based on GT Power unsteady flow modules. The best fitting is possible using optimizer - SAE 2008-01-0295. The model is directly built-in in GT Power without using lumped-parameter turbine maps. The calibration is done simulating steady-operation at turbocharger test-rig in GT Power and comparing the results to steady-operation turbine map. The results are suitable for extrapolation to broad range of blade tip speed ratios and may be used in 1-D engine simulations, especially at transient operation. (en)
Title
  • High-Frequency Unsteady Radial Turbine Map Approximation and Extrapolation by 1-D simulation using GT Power Modules
  • High-Frequency Unsteady Radial Turbine Map Approximation and Extrapolation by 1-D simulation using GT Power Modules (en)
  • Plně nestacionární 1-D simulace charakteristiky radiální turbiny turbodmychadla za vysokých frekvencí pulsací použitím modulů GT Power (cs)
skos:prefLabel
  • High-Frequency Unsteady Radial Turbine Map Approximation and Extrapolation by 1-D simulation using GT Power Modules
  • High-Frequency Unsteady Radial Turbine Map Approximation and Extrapolation by 1-D simulation using GT Power Modules (en)
  • Plně nestacionární 1-D simulace charakteristiky radiální turbiny turbodmychadla za vysokých frekvencí pulsací použitím modulů GT Power (cs)
skos:notation
  • RIV/68407700:21220/08:02152260!RIV09-MSM-21220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M0568)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
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  • 370112
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21220/08:02152260
http://linked.open...terniIdentifikace
  • RAD_TUR_2008.gtm
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • 1-D unsteady simulation; High-frequency unsteady operation; Turbine map extrapolation; engine application; internal combustion engine; radial turbine simulation; turbocharger matching; turbocharging (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [667DF2C1DABB]
http://linked.open.../licencniPoplatek
http://linked.open...okalizaceVysledku
  • U12 241, http://bozek.cvut.cz
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...echnickeParametry
  • GT Suite v. 6.2
http://linked.open...iv/tvurceVysledku
  • Macek, Jan
  • Vítek, Oldřich
http://linked.open...avai/riv/vlastnik
http://linked.open...itiJinymSubjektem
http://localhost/t...ganizacniJednotka
  • 21220
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