YaBeSH Digital Library: Recent submissions
Now showing items 10921-10940 of 316660
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Existence and Uniqueness of Micropolar Elastic Stoneley Waves With Sliding Contact and Formulas for the Wave Slowness
(The American Society of Mechanical Engineers (ASME), 2024)The existence of Stoneley waves propagating in two micropolar isotropic elastic half-spaces with sliding contact was considered by Tajuddin (1995, Existence of Stoneley Waves at an Unbonded Interface Between Two Micropolar ... -
Modeling the Dynamic Response of a Light-Driven Liquid Crystal Elastomer Fiber/Baffle/Spring-Coupled System
(The American Society of Mechanical Engineers (ASME), 2024)A self-oscillating system can harness energy from the external environment to sustain its continuous motion, making it highly suitable for applications in soft robotics, military industry, energy, and other fields. This ... -
Optimizing the Sewing Position of Flexible Piezoelectric Energy Harvesters on a Three-Dimensional Deforming Heart: An Integrated Approach Using Finite Element Analysis, Deep Learning, and Theoretical Modeling
(The American Society of Mechanical Engineers (ASME), 2024)Flexible piezoelectric energy harvesters (FPEHs) have attracted tremendous attention due to their potential applications in the field of biomedicine, such as powering implantable devices. Despite observations in numerous ... -
A Linear Method to Fit Equivalent Circuit Model Parameter Values to HPPC Relaxation Data From Lithium-Ion Cells1
(The American Society of Mechanical Engineers (ASME), 2024)Battery management systems require mathematical models of the battery cells that they monitor and control. Commonly, equivalent circuit models are used. We would like to be able to determine the parameter values of their ... -
Rethinking Loss of Available Work and Gouy–Stodola Theorem
(The American Society of Mechanical Engineers (ASME), 2024)Exergy represents the maximum useful work possible when a system at a specific state reaches equilibrium with the environmental dead state at temperature To. Correspondingly, the exergy difference between two states is the ... -
Effect of Forced Convection Heat Transfer on Vapor Quality in Subcooled Flow Boiling
(The American Society of Mechanical Engineers (ASME), 2024)A new theoretical model of vapor quality in subcooled flow boiling is proposed based on energy balance and well-known heat transfer correlations. This model takes into account the enhancement of forced convection heat ... -
Multidimensional Modeling of Mixture Formation in a Hydrogen-Fueled Heavy-Duty Optical Engine With Direct Injection
(The American Society of Mechanical Engineers (ASME), 2025)Hydrogen (H2), as a carbon-free fuel, is considered as one of the most promising solutions to reduce the carbon footprint of hard-to-decarbonize energy and transportation sectors. As such, hydrogen-fueled internal combustion ... -
Comprehensive Life Cycle Analysis of Diverse Hydrogen Production Routes and Application on a Hydrogen Engine
(The American Society of Mechanical Engineers (ASME), 2025)In the effort of achieving net-zero greenhouse gas (GHG) emissions, hydrogen is becoming increasingly relevant in several sectors such as automotive, cogeneration, maritime, off-road, and railroad. However, hydrogen can ... -
An Experimental Comparison of Methanol Combustion Strategies: Spark Ignition Versus Compression Ignition
(The American Society of Mechanical Engineers (ASME), 2025)Methanol has garnered significant attention over the past few years due to its potential as a hydrogen carrier in a future green economy. As a result, it is a leading candidate to displace fossil fuels in the transportation ... -
Effect of Blending Ammonia With Natural Gas Hydrocarbons on the Performance of a Heavy-Duty Spark Ignition Engine
(The American Society of Mechanical Engineers (ASME), 2025)Ammonia (NH3) is a promising carbon-free fuel candidate to replace conventional petroleum-based fuels. However, NH3 has low flame speed, low calorific value, narrow flammability limits, and requires high ignition energy. ... -
The Impact of Different Equilibrium Hypotheses on the Nonlinear Response of Bladed Disks
(The American Society of Mechanical Engineers (ASME), 2025)Underplatform dampers (UPDs) are widely used in bladed disks to mitigate blades' vibration amplitude. Such devices introduce localized nonlinearities, whose modeling requires nonlinear solution techniques. When the harmonic ... -
Metallurgical Investigation and Failure Analysis in GTD-111 Stage 2 Buckets From an Industrial F-Class Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2025)A utility experienced cracking in multiple stage 2 buckets (S2Bs) in a large F-class power generation gas turbine after only 7348 h and 31 starts following a standard repair and rejuvenation heat treatment cycle. The blades ... -
An Investigation of a Multi-Injector, Premix/Micromix Burner Burning Pure Methane to Pure Hydrogen
(The American Society of Mechanical Engineers (ASME), 2025)Micromix combustion technology has been identified as a promising strategy to mitigate the risks associated with burning high-hydrogen-content fuels. This technology has recently been introduced in premixed injector designs ... -
Forecasting High Cycle and Very High Cycle Fatigue Through Enhanced Strain-Energy Based Fatigue Life Prediction
(The American Society of Mechanical Engineers (ASME), 2025)This study applies a novel strain-energy based fatigue life prediction method to low cycle fatigue (LCF) data additive manufactured (AM) Inconel 718 round dog-bones, specifically focusing on cycles to failure less than ... -
Instabilities and Pattern Formation in Epidemic Spread Induced by Nonlinear Saturation Effects and Ornstein–Uhlenbeck Noise1
(The American Society of Mechanical Engineers (ASME), 2024)We analytically study the emergence of instabilities and the consequent steady-state pattern formation in a stochastic partial differential equation (PDE) based, compartmental model of spatiotemporal epidemic spread. The ... -
Evaluation of Subfilter Model Performance for Large-Eddy Simulations of Supercritical Fluids
(The American Society of Mechanical Engineers (ASME), 2025)The accuracy of three large-eddy simulations (LES) is assessed using a reference dataset obtained via direct numerical simulation (DNS). All of the LES simulations employ the dynamic Smagorinsky model to close the momentum ... -
In Situ Species Concentration Measurements in Ammonia-Mix Flames Using FTIR Spectroscopy
(The American Society of Mechanical Engineers (ASME), 2025)Hydrogen and ammonia represent two carbon-free fuel sources that could be used in place of current fossil energy sources in combustion systems. To develop optimized ammonia combustion systems, validated modeling tools are ... -
Transient Analysis of Flow Unsteadiness and Machine Instabilities in a Centrifugal Compressor at Surge and Second Quadrant Operation
(The American Society of Mechanical Engineers (ASME), 2024)Instabilities in turbomachinery operation originate from intrinsic flow unsteadiness, sudden variations of operating conditions, and interactions with the surrounding system, affecting both system stability and machine ... -
Numerical Modeling of a Primary Heat Exchanger in sCO2 Power Cycles for Thermal Energy Storage Systems
(The American Society of Mechanical Engineers (ASME), 2024)Renewable energy sources are the key for long-term decarbonization of energy. However, the intermittent nature of renewables does not always meet the energy demand in the electrical grid. Thus, electrical heated thermal ... -
Techno-Economic Comparative Assessment of High-Temperature Heat Pump Architectures for Industrial Pumped Thermal Energy Storage
(The American Society of Mechanical Engineers (ASME), 2024)The industrial sector is a key global source of wealth, but it is also recognized as a major challenge toward worldwide decarbonization. Today, the industrial sector requires more than 22% of the global energy demand as ...