YaBeSH Digital Library: Recent submissions
Now showing items 21-40 of 310785
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Modal and Nonmodal Instabilities of a Two-Dimensional Channel Flow Subject to Wall Slip and Transverse Magnetic Field
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the linear stability of two-dimensional channel flows subjected to a transverse magnetic field, with walls coated by super-hydrophobic materials that introduce slip boundary conditions. Both symmetric ... -
Experimental Comparison of Hydrodynamic Behavior Under Partial Flowrates and Cavitation in Three Configurations of a Centrifugal Pump With Inducer and Impeller
(The American Society of Mechanical Engineers (ASME), 2025)This study aims at experimentally investigating the hydrodynamic behavior of a centrifugal pump, both with and without cavitation. The pump consists of an axial inducer, a centrifugal impeller, and a volute. Three assembly ... -
A Physical Interpretation of Swept Blades in Axial Compressors Employing Spanwise Equilibrium Analysis
(The American Society of Mechanical Engineers (ASME), 2025)Swept blades are extensively utilized in modern fan and compressor designs to balance the competing requirements of high loading, high throughflow, and adequate stall margin. However, the variations in incidence angle ... -
Enhancement of the Thermodynamic Suppression Effect of Cavitation in a Hydrofoil With a Slit
(The American Society of Mechanical Engineers (ASME), 2025)The occurrence and growth of cavitation are suppressed in cryogenic fluids used as propellants for liquid rockets, and this phenomenon is called the thermodynamic suppression effect of cavitation. This effect is attributed ... -
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 Impact of Manufacturing Variations on the Aerothermal Performance of High-Pressure Turbine Blade Shrouds
(The American Society of Mechanical Engineers (ASME), 2025)High-pressure turbine blade (HPTB) shrouds suffer manufacturing variations in both platform alignment and inter-platform gap width. Compared to hub endwalls, the aerothermal effects of shroud platform steps and gaps has ... -
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 ... -
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 ... -
Method for Predicting the Damping Ratio of Ring Dampers in Radial Standing Waves
(The American Society of Mechanical Engineers (ASME), 2025)Blisks are utilized by most modern aircraft turbine engines to reduce the weight of rotors and eliminate air leakage between platforms. Ring dampers are widely used to reduce the vibration of blisks and avoid high-cycle ... -
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 ...