Turbocharger turbine rotor tip leakage loss and mass flow model valid up to extreme off-design conditions with high blade to jet speed ratio
Due to the power consumption restriction of the turbocharger compressor, common turbine
maps are rather narrow. To extrapolate them, reliable physical submodels are needed that …
maps are rather narrow. To extrapolate them, reliable physical submodels are needed that …
A holistic methodology to correct heat transfer and bearing friction losses from hot turbocharger maps in order to obtain adiabatic efficiency of the turbomachinery
Turbocharger performance maps provided by manufacturers are usually far from the
assumption of reproducing the isentropic performance. The reason being, those maps are …
assumption of reproducing the isentropic performance. The reason being, those maps are …
An innovative losses model for efficiency map fitting of vaneless and variable vaned radial turbines extrapolating towards extreme off-design conditions
Pulsating flow in automotive turbocharger turbines makes it necessary to know performance
characteristics in difficult to measure off-design conditions. Physically based extrapolation …
characteristics in difficult to measure off-design conditions. Physically based extrapolation …
Contribution to tip leakage loss modeling in radial turbines based on 3D flow analysis and 1D characterization
The characterization of tip leakage flow plays an important role for one-dimensional loss
modeling and design in radial turbine research. Tip leakage losses can be expressed as …
modeling and design in radial turbine research. Tip leakage losses can be expressed as …
Extremely low mass flow at high blade to jet speed ratio in variable geometry radial turbines and its influence on the flow pattern: A CFD analysis
JR Serrano, A Gil, R Navarro… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
State of the art car engines are fed by compressed air, coming from a turbocharger
compressor, to increase the power to weight ratio and to allow downsizing the combustion …
compressor, to increase the power to weight ratio and to allow downsizing the combustion …
Numerical Analysis of the Effects of Grooved Stator Vanes in a Radial Turbine Operating at High Pressure Ratios Reaching Choked Flow
The flow through the stator vanes of a variable geometry turbocharger turbine can reach
supersonic conditions and generates a shock wave on the stator vanes, which has a …
supersonic conditions and generates a shock wave on the stator vanes, which has a …
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Turbocharger performance maps provided by manufacturers are usually far from the
assumption of reproducing the isentropic performance. The reason being, those maps are …
assumption of reproducing the isentropic performance. The reason being, those maps are …
Method for Non-Dimensional Tip Leakage Flow Characterization in Radial Turbines
JR Serrano, R Navarro… - … Expo: Power for …, 2018 - asmedigitalcollection.asme.org
Tip leakage loss characterization and modeling plays an important role in small size radial
turbine research. The momentum of the flow passing through the tip gap is highly related …
turbine research. The momentum of the flow passing through the tip gap is highly related …