YaBeSH Digital Library: Recent submissions
Now showing items 8001-8020 of 316660
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Application of Deep Learning for Fan Rotor Blade Performance Prediction in Turbomachinery
(The American Society of Mechanical Engineers (ASME), 2025)Turbomachinery fan optimization is a complex multidisciplinary process, which forces engineers to rely on strong theoretical assumptions and/or can be very computationally expensive. Additionally, with new constraints ... -
Unsteady Flow Development and Reynolds Stress Measurements in a Centrifugal Compressor Vaned Diffuser
(The American Society of Mechanical Engineers (ASME), 2025)Modern aeroengine designers face the challenge of reducing fuel consumption, which is pushing compressor technology into new design spaces. To optimize these design spaces, high-fidelity computational models are crucial ... -
Unsteady Flow and Pressure Pulsation Characteristics in an Ultra-High-Speed Centrifugal Pump Considering the Weak Compressibility Effect
(The American Society of Mechanical Engineers (ASME), 2025)Ultra-high-speed centrifugal pumps are frequently utilized in chemical and aerospace industries, yet the impact of fluid weak compressibility on pressure pulsation remains unclear. This study employs the delayed detached ... -
On the Thermal Degradation of Lubricant Grease: Experiments
(The American Society of Mechanical Engineers (ASME), 2025)This study assesses the thermal aging of lubricant grease via five rheological, mechanical, and thermal grease properties—yield stress, storage modulus, bleed capacity, specific heat capacity, and thermal strain coefficient. ... -
Analysis of Lubrication and Wear Model With Grease for the Harmonic Reducer
(The American Society of Mechanical Engineers (ASME), 2025)In most harmonic reducers, wear failure mainly occurs in the flex-spline and flexible bearing. However, in models like the LHD-I-25, the unique tooth profile shifts the primary wear issue to the flex-spline and circular ... -
The Difficulty of Measuring Surface Topography in Additive Manufacturing: A Comparison Between Measured and True Surface Features of Binder-Jet Printed Samples
(The American Society of Mechanical Engineers (ASME), 2025)Surface topography represents a critical barrier to the advancement of additive manufacturing (AM). Because some internal features cannot be polished and because of the growing trend of in situ process monitoring, it is ... -
Unveiling the Effect of Electrification on Phosphonium-Based Ionic Liquid Lubrication at Tribological Interfaces for Electric Vehicle Applications
(The American Society of Mechanical Engineers (ASME), 2025)Conventional lubricants face significant challenges in electric vehicle (EV) systems due to their low electrical conductivity and inability to mitigate tribo-electrification effects which can result in increased friction, ... -
Study on the Mechanism of Electrochemical Mechanical Polishing Mechanism of Single-Crystal 4H-SiC Based on Friction and Wear
(The American Society of Mechanical Engineers (ASME), 2025)Electrochemical mechanical polishing (ECMP) technology can effectively enhance the material removal rate and surface quality of single-crystal silicon carbide (SiC). However, the material removal mechanism of ECMP on SiC ... -
Friction in Rolling Element Bearings at Ultra-Low Speeds: A Review
(The American Society of Mechanical Engineers (ASME), 2025)Michael Lovell contributed significantly to the science and application of ball and rolling element bearings subjected to uniform and oscillatory motion at extremely low speeds. The control of friction in such operating ... -
Exploring the Influence of Dry Sliding Wear Test Parameters on the Wear Mechanisms of Structural Eco-Composites Along With Microstructural Analysis
(The American Society of Mechanical Engineers (ASME), 2025)This research aims to assess the enhancements in tribological performance of a stir-cast aluminum hybrid composite (AA6082-T6 with 4 wt% fly ash and 3 wt% alumina). The wear properties of the composite were evaluated as ... -
Validation of a Multiscale Hysteresis Mechanics Model in Predicting Oily Shoe-Floor Friction Across Surfaces With Varying Finishes
(The American Society of Mechanical Engineers (ASME), 2025)Shoe-floor friction, quantified by the coefficient of friction (COF), is an important predictor of the risk of slip-and-fall accidents. There is a commonly used model of friction by B. Persson that describes viscoelastic ... -
Enhanced Wear Volume Analysis Using Three-Dimensional Profilometry for Four-Ball Tribometer Setups
(The American Society of Mechanical Engineers (ASME), 2025)Accurately assessing wear volume is critical for advancing material development, improving manufacturing practices, and extending the lifespan of mechanical components. In four-ball tribometer tests, traditional methods ... -
Measurement of Flame Describing Function of Jet Multinozzle Array Combustor and Prediction of Its Thermoacoustic Oscillation Frequency
(The American Society of Mechanical Engineers (ASME), 2025)To investigate the thermoacoustic instability characteristics of a jet multinozzle array combustor, this study experimentally measured the flame describing function (FDF) of the model combustor using methane fuel experiments, ... -
Pore Size Control and Tribological Properties of Oil-Impregnated Porous Polyimide With Similar Porosity
(The American Society of Mechanical Engineers (ASME), 2025)Pore size is critical to the oil-storage performance and tribological properties of porous polyimide (PPI). To study the effect of pore size, four PPIs with different pore sizes and similar porosities were fabricated. The ... -
Unlocking Tribological Performance of Silver-Infused Cu-Al2O3 Self-Lubricating Cermet
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the tribological properties of cold-sprayed (CS) coatings comprising Cu, Cu-Al2O3, and Cu-Al2O3-Ag at room-temperature and under high-temperature sliding conditions. The composite coatings feedstock ... -
Safer Floors in Public Service Buildings Based on Machine Learning
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the effects of different floor surfaces on slip safety in public service buildings (PSBs) with heavy pedestrian traffic. The K-means clustering method is used to classify various floor types and ... -
Blade Designs for Improved Multi-Phase Performance in sCO2 Compressors: Optical Diagnostics in sCO2 and Experimental Evaluation With Particle Image Velocimetry
(The American Society of Mechanical Engineers (ASME), 2025)This paper presents the second part of a study in which the leading edge and suction surface of a compressor blade was modified to delay onset of phase change for sCO2 compressors operating near the critical point. Using ... -
Design and Dynamic Analysis of Different Balancing Mechanisms for Development of a Small Direct-Injection Spark-Ignition Optical Engine
(The American Society of Mechanical Engineers (ASME), 2025)Improving the performance of small engines, which have widespread use in two- and three-wheeled vehicles in several countries, is vital. Recently, direct-injection spark-ignition (DISI) technology, used on moderate- to ... -
Multiscale-Kolmogorov–Arnold Network Surrogate Modeling Approach for Dynamic Stiffness Prediction of a Heavy-Duty Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2025)The flexibility of the casing plays an important role in the dynamic response of the gas turbine rotor. The effect of the support parameters on the dynamic stiffness of the supporting components must be considered. While ... -
Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage
(The American Society of Mechanical Engineers (ASME), 2025)The concept and design of high-temperature heat pumps (HTHP) including their components for specific temperature needs is a time-consuming and interdisciplinary task. Especially, the design of compressor geometries have a ...