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RISTribological Performance of Soft Magnetic Composite Materials for Gas Turbine Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Soft magnetic composites (SMCs) have gained attention in the last years of their usage in more compact and powerful electromechanical systems. These materials are used to combine the application of metallic material to the ...
Computational Fluid Dynamics Modeling of Gaseous Cavitation in Lubricating Vane Pumps: An Approach Based on Dimensional Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the problem of computational fluid dynamics (CFD) modeling of gaseous cavitation (GC) in lubricating positive-displacement pumps (PDPs). It is important for designers and analysts to predict the dynamic ...
Porosity-Driven Approaches to Model Fouling Effects on Flow Field
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Air contamination by solid particles represents a real hazard for compressors for both heavy-duty and aeropropulsion gas turbines. Particles impacting the inner surfaces of the machine can stick to such surfaces or erode ...
A Simplified Method for the Deposition Rate Assessment on the Vanes of a Multistage Axial-Flow Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gas turbine particle ingestion may lead to the deposition of contaminants in the compressor section, inducing the performance losses of the whole engine. The economic losses derived from this issue push great interest in ...
A Stochastic Model for Nanoparticle Deposits Growth
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Natural events and human activities are responsible for the generation and transport of large amounts of microsized particles, which could contaminate several engineering devices like solar panels, wind turbines, and ...
A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heavy-duty centrifugal fans are employed for the transport of dust-laden flows in industrial plants, for cement or steel production, or in energy production of plants and mine ventilation systems. These applications require ...
Computational Fluid Dynamics Modeling of Gaseous Cavitation in Lubricating Vane Pumps: On Metering Grooves for Pressure Ripple Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the topic of balanced vane pump simulations for pressure ripple optimization by means of metering grooves at the leading edge of delivery ports. It presents a computational fluid dynamics case study ...
Experimental Analysis of the Time-Wise Compressor Fouling Phenomenon
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compressor fouling is still an unforeseen phenomenon. Gas turbines for heavy-duty and propulsion applications are subject to performance degradation due to fouling, erosion, and corrosion mechanisms. Unlike the last two, ...
A Shape Memory Alloy Based Morphing Axial Fan Blade—Part I: Blade Structure Design and Functional Characterization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The possibility to realize adaptive structures is of great interest in turbomachinery design, owing to the benefits related to enhanced performance and efficiency. To accomplish this, a challenging approach is the employment ...
A Shape Memory Alloy Based Morphing Axial Fan Blade—Part II: Blade Shape and Computational Fluid Dynamics Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ability of a morphing blade to change its geometry according to the different operating conditions represents a challenging approach for the optimization of turbomachinery performance. In this paper, experimental and ...