YaBeSH Digital Library: Recent submissions
Now showing items 11621-11640 of 316660
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Review of the Impact of Hydrogen-Containing Fuels on Gas Turbine Hot-Section Materials
(The American Society of Mechanical Engineers (ASME), 2025)In an effort to achieve worldwide decarbonization goals, a range of low-carbon fuels is being proposed for use in power-generation gas turbines. Two promising fuels are hydrogen and ammonia, which do not produce any CO2 ... -
Study of Tandem Rotor Dual Wake Interaction With Downstream Stator Under Unsteady Numerical Approach
(The American Society of Mechanical Engineers (ASME), 2024)This paper highlights the intricate rotor–stator interaction between a tandem bladed rotor and a single-bladed stator in the light of unsteady numerical simulations. A low-speed tandem bladed compressor stage has been ... -
Experimental and Numerical Study on NOx Emissions Characteristics in a Coaxial Staged Combustor
(The American Society of Mechanical Engineers (ASME), 2024)A deep understanding of NOx formation characteristics and correlations can significantly enhance the operational adjustment efficiency of gas turbine combustors. To reduce pollutants emissions, this study proposed a coaxial ... -
Predictive Zero-Dimensional Combustion Modeling in Internal Combustion Engines With Residual Fraction and Exhaust Gas Recirculation
(The American Society of Mechanical Engineers (ASME), 2025)The combustion process in spark ignition (SI) and compression ignition (CI) engines plays a significant role in ascertaining engine performance, efficiency, and emissions. As the automotive industry faces challenges related ... -
Experimental Study on Liquid Jet Trajectory in Cross Flow of Swirling Air at Elevated Pressure Condition
(The American Society of Mechanical Engineers (ASME), 2024)Motivated by fuel atomization applications in gas turbine combustors, this paper presents an experimental examination of liquid jet trajectory and spray dynamics in crossflow of swirling air, at elevated pressure conditions. ... -
Discrete Symmetry Analysis of Free Convection in a Cylindrical Porous Annular Microchannel at Low-Pressure Level
(The American Society of Mechanical Engineers (ASME), 2025)This article studies the natural convection in an annular porous microchannel in case of one wall being heated and another being cooled. For the first time, such a problem was solved using discrete symmetries of the ... -
Continuum Mechanics Applied to the Biomechanics of Motion
(The American Society of Mechanical Engineers (ASME), 2024)Continuum mechanics is the discipline that studies the motion and deformation of material bodies and is at the basis of both solid mechanics and fluid mechanics. This work aims at highlighting how a basic education in ... -
Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects
(The American Society of Mechanical Engineers (ASME), 2024)This paper presents a methodology to estimate the vibration amplitude of fluttering low-pressure turbine (LPT) blades saturated due to friction effects. The study utilizes an analytical model that balances aerodynamic work ... -
Numerical Analysis of a Two-Phase Turbine: A Comparative Study Between Barotropic and Mixture Models
(The American Society of Mechanical Engineers (ASME), 2024)Two-phase turbines offer the potential to significantly enhance the performance of power generation and refrigeration systems. However, their development has been hindered by comparatively lower efficiencies resulting from ... -
Reversionary Control Modes for the Mitigation of Failures in a Partially Turboelectric Aircraft Propulsion System
(The American Society of Mechanical Engineers (ASME), 2024)In support of emission and fuel burn reduction goals, the aviation industry is actively pursuing the advancement of electrified aircraft propulsion (EAP) technology. This includes turbo-electric and hybrid electric propulsion ... -
A Review of Numerical Methodologies for Predicting Rotating Stall and Surge in High-Speed Centrifugal Compressors
(The American Society of Mechanical Engineers (ASME), 2024)High-speed supersonic radial compressors are a critical enabling technology for meeting the requirements of future aviation-propulsion and thermal-management systems. These turbomachines must be designed to be both efficient ... -
Performance Improvement of a Heat Sink for Battery Thermal Management System
(The American Society of Mechanical Engineers (ASME), 2024)Dissipating heat generated by onboard battery systems is a key thermal management challenge for hybrid/electric aircraft. The National Research Council Canada is collaborating with Calogy Solutions, Ltd. (Sherbrooke, Quebec, ... -
Investigation of the Coupling Between the Dynamics of Vortical Structures and Flame Stability in Bluff-Body Premixed Combustion Using Extended Spectral Proper Orthogonal Decomposition
(The American Society of Mechanical Engineers (ASME), 2024)Large eddy simulation data of a bluff-body stabilized flame are analyzed using spectral proper orthogonal decomposition (SPOD) to investigate: (i) the role of flame-vortex interactions in the dominant flow dynamics and ... -
Synergetic and Performance Characteristics of a High-Speed Precooled Propulsion Concept
(The American Society of Mechanical Engineers (ASME), 2024)Precooled air-breathing cycles are promising candidates to power future high-speed flight as well as single-stage-to-orbit vehicles, due to their increased efficiency over contemporary propulsion systems and launch vehicles. ... -
A Comprehensive Thermodynamic Analysis of Gas Turbine Combined Cycles With Pressure Gain Combustion Based on Humphrey Cycle
(The American Society of Mechanical Engineers (ASME), 2024)The paper describes a comprehensive thermodynamic analysis of the gas turbine combined cycle (CC) equipped with pressure gain combustion (PGC) based on the Humphrey cycle. PGC is represented by a steady-state zero-dimensional ... -
Generative Design of a Gas Turbine Combustor Using Invertible Neural Networks
(The American Society of Mechanical Engineers (ASME), 2024)The need to burn 100% H2 in high efficient gas turbines featuring low NOx combustion in premix mode requires the complete redesign of the combustion system to ensure stable operation without any flashback. Since all engine ... -
An Experimental Study on the Effect of Intake Pressure on a Natural Gas-Diesel Dual-Fuel Engine
(The American Society of Mechanical Engineers (ASME), 2024)Natural gas-diesel dual-fuel (NDDF) combustion can be a viable method to reduce diesel usage in compression ignition (CI) internal combustion engines. Potential benefits of NDDF engines in comparison to conventional diesel ... -
Improving Energy Efficiency of a Heat Exchanger Using Recovered Metal Chips During Forced Convection
(The American Society of Mechanical Engineers (ASME), 2025)Among the methods used to enhance heat transfer, the insertion of porous media is prominent. Metallic foam is one of the most commonly used porous media in recent years; however, it presents a disadvantage due to its high ... -
Switching Events of Wakes Shed From Two Short Flapping Side-by-Side Cylinders
(The American Society of Mechanical Engineers (ASME), 2024)The wakes shed alternatively from two long stationary side-by-side cylinders have long been an issue in many engineering applications, such as wind energy harvesting schemes that utilize vortex-induced vibrations (VIVs). ... -
Impact of Fluid Rheology and Density Ratio in Droplet Collision: A Numerical Investigation
(The American Society of Mechanical Engineers (ASME), 2024)This research delves into the intricate interplay of fluid rheology, characterized by the power-law model, and density ratio ρr=ρl/ρg in the context of droplet collision dynamics. The power-law index (n) is systematically ...