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RISOn the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Environmental and regulatory pressures have prompted original equipment manufacturers (OEMs) to explore highly boosted internal combustion (IC) engines as a means to minimize toxic air pollutants and meet strict legislative ...
Design and Performance Analysis of Mixed Flow Turbine Rotors With Extended Blade Chord
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mixed flow turbines offer additional design freedom compared with conventional radial turbines. This is useful in the automotive turbocharger application to reduce rotor inertia, which can be very beneficial for the transient ...
Characterizing the Influence of Impeller Exit Recirculation on Centrifugal Compressor Work Input
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Impeller recirculation is a loss which has long been considered in one-dimensional (1D) modeling; however, the full extent of its impact on stage performance has not been analyzed. Recirculation has traditionally been ...
Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mixed flow turbines (MFTs) offer potential benefits for turbocharged engines when considering off-design performance and engine transient behavior. Although the performance and use of MFTs are described in the literature, ...
A Three-Zone Modeling Approach for Centrifugal Compressor Slip Factor Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurate estimation of slip factor is of paramount importance to ensure centrifugal compressor work input is adequately predicted during the preliminary design process. However, variations in the flow field at impeller ...
Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Mixed flow turbines (MFTs) offer potential benefits for turbocharged engines when considering off-design performance and engine transient behavior. Although the performance and use of MFTs are described in the literature, ...
Evaluating the Use of Leaned Stator Vanes to Produce a Non-Uniform Flow Distribution Across the Inlet Span of a Mixed Flow Turbine Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Current trends in the automotive industry have placed an increased emphasis on downsized turbocharged engines for passenger vehicles. The turbocharger is increasingly relied upon to improve power output across a wide range ...
Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Automotive engine downsizing has placed an increased focus on the ability of the turbocharger to provide adequate boost levels across the full engine operating range. To achieve the desired levels of turbocharger performance, ...
Investigating the Suitability of Multi-Scroll Volutes for Improving Spanwise Incidence of Mixed Flow Turbine Rotors With Varying Blade Cone Angles in Automotive Turbocharging Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Targets to reduce fuel consumption and reduce CO2 emissions have been met using engine downsizing and turbocharging. In automotive applications, it is important that the turbocharger responds well to transient events and ...