YaBeSH Digital Library: Recent submissions
Now showing items 11641-11660 of 316660
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Computational Analysis of Flow Around Two Wall-Mounted Trapezoidal Bluff Bodies Arranged in Tandem Position
(The American Society of Mechanical Engineers (ASME), 2024)Flow around two identical wall-mounted trapezoidal bluff bodies, arranged in tandem, is numerically investigated at a Reynolds number of 750,000. The investigation employs Reynolds-averaged Navier–Stokes (RANS) equations ... -
Wake Dynamics of Complex Turning Vanes Using Time-Resolved Particle Image Velocimetry Measurements
(The American Society of Mechanical Engineers (ASME), 2024)The use of turning vanes spans multiple engineering disciplines such as aerospace, ocean, and biomedical to effectively turn an otherwise uniform flowfield and achieve desired downstream flow angles. The presented work ... -
Flow Through a Passage With Scaled Additive Manufacturing Roughness Representing Different Printing Orientations
(The American Society of Mechanical Engineers (ASME), 2024)Components with internal passages created using some laser-sintering based, additive manufacturing (AM) systems can exhibit anisotropic surface features with an appearance of three-dimensional roughness superimposed on ... -
Experimental Study of the Cavitating Flow on an Independently Heated Venturi Nozzle
(The American Society of Mechanical Engineers (ASME), 2024)Despite the observation of change in the cavitation regime on a heated surface, the specific section of the wall surface that plays a more dominant role in this transition phenomenon remains unknown. This study experimentally ... -
Effects of Reynolds Number on the Wake Characteristics of a Notchback Ahmed Body
(The American Society of Mechanical Engineers (ASME), 2024)This paper investigates the effects of Reynolds number on the wake characteristics of a notchback Ahmed body with effective backlight angle, βe=17.8 deg. The Reynolds number based on the body height was varied from 5×103 ... -
Microbead Encapsulation for Protection of Electronic Components
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the application of microbeads as an innovative encapsulation technique to protect electronic components from harsh mechanical strain. Traditional encapsulation methods using hard epoxy provide ... -
A Kriging Surrogate Model for Ball Grid Array Electronic Packaging With Stochastic Material and Geometrical Parameters
(The American Society of Mechanical Engineers (ASME), 2024)Ball grid arrays (BGAs) offer significant advantages in the automotive industry, such as their small size and high integration density, making them a promising electronic packaging approach. However, the operating environment ... -
A Review of Mechanism and Technology of Hybrid Bonding
(The American Society of Mechanical Engineers (ASME), 2024)With the development of semiconductor technology, traditional flip-chip bonding has been difficult to meet the high-density, high-reliability requirements of advanced packaging technology. As an advanced three-dimensional ... -
On the Thermal Conductivity Calculation From Pore-Scale Simulations of Porous Materials
(The American Society of Mechanical Engineers (ASME), 2024)Heat transfer in porous materials is of great importance for various natural, biological, and industrial processes. For the large difference between the microscopic and macroscopic dimensions, the volume averaging method ... -
An Adaptive Sliding-Mode Observer-Based Fuzzy Proportional Integral Control Method for Temperature Control of Laser Soldering Process
(The American Society of Mechanical Engineers (ASME), 2025)In the process of electronic packaging, laser soldering exhibits advantages such as noncontact, minimal thermal affected zone, and rapid soldering process. Additionally, the precision of temperature control in laser soldering ... -
Multi Combustor Turbine Engine Acceleration Process Control Law Design
(The American Society of Mechanical Engineers (ASME), 2024)Focusing on the collaborative fuel supply and acceleration problem of multicombustor turbine engine, a variable geometry composite regulation acceleration control law design method based on the combination of compressor ... -
Optimal Control for Thermal Management of a Proton Exchange Membrane Fuel Cell Stack With Koopman-Based Modeling
(The American Society of Mechanical Engineers (ASME), 2024)This study presents a novel approach to optimal control utilizing a Koopman operator integrated with a linear quadratic regulator (LQR) to enhance the thermal management and power output efficiency of an open-cathode proton ... -
A High-Gain Observer Approach to Robust Trajectory Estimation and Tracking for a Multirotor Unmanned Aerial Vehicle1
(The American Society of Mechanical Engineers (ASME), 2024)Using the context of trajectory estimation and tracking for multirotor unmanned aerial vehicles (UAVs), we explore the challenges in applying high-gain observers to highly dynamic systems. The multirotor will operate in ... -
A Nodal-Lie-Group Beam Element for Absolute Nodal Coordinate Formulations
(The American Society of Mechanical Engineers (ASME), 2025)A new 12DOF beam element is proposed to simulate large deformation and large rotation based on the 24DOF absolute nodal coordinate formulation (ANCF) beam element proposed before. The centerline of the beam is interpolated ... -
Complex Modal Synthesis Method for Viscoelastic Flexible Multibody System Described by ANCF
(The American Society of Mechanical Engineers (ASME), 2025)The viscoelastic dynamic model of flexible multibody coupled with large rotation and deformation can be described by the absolute nodal coordinate formulation (ANCF). However, with the increase of degrees-of-freedom, the ... -
Numerical Simulation Method for the Rain-Wind Induced Vibration of the Three-Dimensional Flexible Stay Cable
(The American Society of Mechanical Engineers (ASME), 2025)Under specific wind and rain conditions, the cable may exhibit low frequency and large amplitude phonomenon, which is called the rain-wind induced vibration (RWIV). Because the RWIV phenomenon encompasses interactions among ... -
Chaos Detection in Generalized ψ-Fractional Differential Systems
(The American Society of Mechanical Engineers (ASME), 2025)This article focuses on investigating fractional Lyapunov exponents for generalized ψ-fractional differential systems. By employing a new and more suitable definition, we derive an expression for the fractional Lyapunov ... -
A New Triangular Thin Shell Element Based on the Absolute Nodal Coordinate Formulation for Complex Surfaces
(The American Society of Mechanical Engineers (ASME), 2024)This work proposed a new Hermite triangular thin shell element based on the absolute nodal coordinate formulation to model thin shells with complex curved surfaces. Three techniques are adopted to enhance its universality ... -
Influences of Tooth Crack on Dynamic Characteristics of a Multi-Stage Gear Transmission System Considering the Flash Temperature
(The American Society of Mechanical Engineers (ASME), 2024)The crack failure is prone to happen for the gear teeth under alternating loads. The crack reduces the time-varying meshing stiffness, thus causing changes in the system vibration responses. Moreover, the tooth friction ... -
FC-72 Pool Boiling From Finned Surface Placed in a Narrow Channel: Influence of Displacement of Boiling Surface
(The American Society of Mechanical Engineers (ASME), 2024)This paper outlines an experimental investigation into fundamental nucleate boiling phenomena involving finned surfaces within a narrow channel. The study delves into the effects of both channel width (2.0 mm and 0.5 mm) ...