YaBeSH Digital Library: Recent submissions
Now showing items 10341-10360 of 316660
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Full-Field Modal Analysis of a Tensegrity Column Using a Three-Dimensional Scanning Laser Doppler Vibrometer With a Mirror
(The American Society of Mechanical Engineers (ASME), 2024)Tensegrity structures become important components of various engineering structures due to their high stiffness, light weight, and deployable capability. Existing studies on their dynamic analyses mainly focus on responses ... -
Influence of the Magnitude of the Taper Angle of Divergent and Convergent Tapered Annular Seals on the Stability of a Vertical Rotor-Seal System
(The American Society of Mechanical Engineers (ASME), 2024)The rotordynamic (RD) fluid force generated in seals affects the stability of turbomachinery. RD coefficients have been determined using bulk-flow or computational fluid dynamics analyses, and the effect of seals on the ... -
Design of Metamaterial for Broadband Sound Absorption Through Double Resonances
(The American Society of Mechanical Engineers (ASME), 2024)Broadband acoustic absorber via a structure with sub-wavelength thickness is of great and continuing interest in research and engineering communities. To broaden the absorption band of acoustic absorbers, common methods ... -
On Dynamic Analysis and Prevention of Transmission Squawk in Wet Clutches
(The American Society of Mechanical Engineers (ASME), 2024)The genesis of clutch noise, encompassing squeaks, chatter, shudders, or judders, predominantly arises from friction-induced vibrations. As time progresses, the degradation of the clutch friction lining manifests due to ... -
Effect of Blade Damage on Low Pressure Ratio Fan Windmill Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2025)Fan windmill occurs when power to a turbofan is cut during flight and the airflow through the engine causes the fan to freewheel, often following fan damage. The fan rotational speed and drag during windmill determine the ... -
Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the effect of acceleration and deceleration in the turn region of a two-pass, serpentine channel. Channel aspect ratios of 2:1 and 4:1 are considered in three combinations to investigate the effect ... -
Mitigating Crouch Gait With an Autonomous Pediatric Knee Exoskeleton in the Neurologically Impaired
(The American Society of Mechanical Engineers (ASME), 2024)Crouch gait is one of the most common compensatory walking patterns found in individuals with neurological disorders, often accompanied by their limited physical capacity. Notable kinematic characteristics of crouch gait ... -
A New Nonlinear Time-Domain Flutter Analysis Approach for Distorted Flows
(The American Society of Mechanical Engineers (ASME), 2024)This paper aims to establish an efficient and accurate computational fluid dynamic (CFD) method for calculating the flutter stability of fan blades in the presence of inlet distortion due to crosswind. Due to the asymmetry ... -
Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing
(The American Society of Mechanical Engineers (ASME), 2024)Additive manufacturing (AM) has emerged as a method to prototype novel designs for turbine airfoil cooling with complex internal and film cooling geometries. Creating engine scale features with AM comes with challenges ... -
A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades
(The American Society of Mechanical Engineers (ASME), 2024)This paper introduces and validates a data-driven approach to improve the prediction of linear eddy viscosity models (LEVMs). The general approach is adopted in order to improve the wake mixing of low-pressure turbine (LPT) ... -
Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations
(The American Society of Mechanical Engineers (ASME), 2024)To enhance turbine efficiency, it is essential to mitigate the loss generated by irreversible phenomena taking place in turbine flows, including boundary layers, shock waves, vortices, and trailing edge wakes. A fast and ... -
On the Application of Background Oriented Schlieren to a Transonic Low-Reynolds Turbine Cascade
(The American Society of Mechanical Engineers (ASME), 2024)Qualitative and quantitative visualizations of transonic turbomachinery flows provide essential information on compressibility and Mach number effects on boundary layer development, shock-boundary layer interactions, and ... -
Effects of Radially Variable Sweep Vanes on Rotor–Stator Interaction Noise
(The American Society of Mechanical Engineers (ASME), 2024)This article presents a three-dimensional semianalytic cascade model for the prediction of rotor–stator interaction noise, which includes the effects of radially variable sweep angle and chord length to better account for ... -
A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane
(The American Society of Mechanical Engineers (ASME), 2024)Additive manufacturing (AM) has transformed the ability to accelerate gas turbine component research and development at a fraction of the cost and time associated with conventional manufacturing. However, whereas prior ... -
Fan Non-Synchronous Forced Vibration Under Crosswind
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, a new aeroelastic phenomena for fans, referred to as non-synchronous forced vibration (NSFV), is presented. This type of aeroelastic instability can occur at high crosswind conditions when the flow at the ... -
Numerical Characterization of an High Pressure Compressor Stage Equipped With a Closed Shrouded Stator Cavity
(The American Society of Mechanical Engineers (ASME), 2025)In axial compressors, shrouded stator cavity flows are responsible for performance degradation due to their interaction with the power stream. The present paper aims at exploring the possibility of employing a single-stage ... -
Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied Via High-Fidelity Simulation
(The American Society of Mechanical Engineers (ASME), 2024)High-fidelity simulations are used to conduct controlled numerical experiments to investigate the effect of periodically incoming wakes on profile and three-dimensional loss mechanisms. The present work considers the ... -
Molecular Mechanisms of Cell Protection Against Injury—The Foundation of Cell Protective Engineering
(The American Society of Mechanical Engineers (ASME), 2025)Cells can launch self-protective mechanisms against injury, induced by ischemia, mechanical impact, toxins, radiation, or microorganisms (viruses, bacteria, and fungi), and can also recruit other cells to assist in the ... -
Analysis of High-Order Source Terms in Throughflow Solutions
(The American Society of Mechanical Engineers (ASME), 2024)Classical throughflow methodologies, due to their oversimplified assumptions regarding dimensionality reduction, result in a significant reliance on empirical inputs. This paper introduces a rigorous dimensionality reduction ... -
Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity Computational Fluid Dynamics and a Novel Impeller Diffusion Factor
(The American Society of Mechanical Engineers (ASME), 2024)Turbocharger technologies are widely applied in the modern automotive industry to meet increasingly stringent carbon emission standards. To support the continuous enhancement of these tactics, delivering improvement to the ...