YaBeSH Digital Library: Recent submissions
Now showing items 10481-10500 of 316660
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Physics-Informed Bayesian Neural Networks for Solving Phonon Boltzmann Transport Equation in Forward and Inverse Problems With Sparse and Noisy Data
(The American Society of Mechanical Engineers (ASME), 2024)Nondiffusive phonon transport presents significant challenges in micro/nanoscale thermal characterization, compounded by the limitations of experimental-numerical techniques and the presence of measurement noise. Additionally, ... -
Closed-Form Solutions of Injection-Driven Flow and Heat Transfer Inside an Inclined Horizontal Filter Chamber
(The American Society of Mechanical Engineers (ASME), 2024)The closed-form solutions of models provide operators and designers with a better understanding of how the systems perform practically, thus improving critical industrial production operations. Due to this importance, the ... -
The Effect of U-Bend Zone, Rotation, and Corrugation on Two-Pass Channel Flow
(The American Society of Mechanical Engineers (ASME), 2024)Further consideration on the two-pass channel flow is still necessary due to the complexity of 180-deg turn, rotation, and wall ribs. Numerical investigations have repeatedly revealed differences from experiments, with the ... -
Equivalent Circuits for Exergy Flow in Thermodynamic Systems
(The American Society of Mechanical Engineers (ASME), 2024)The second law of thermodynamics explains the nature of all spontaneous processes, and it imposes a limit on the performance of all technologies, from heat engines to refrigerators. These limits are well described as early ... -
Experimental Study on Flow and Thermal Transport in Additively Manufactured Lattices Based on Cube-Shaped Unit Cell
(The American Society of Mechanical Engineers (ASME), 2024)This paper presents the convective heat transfer coefficient of cubic lattices under both buoyancy-induced and forced convection. Additionally, it examines the effective thermal conductivity, permeability, and inertial ... -
Data Generation and Training of Surrogate Models for Friction Factor and Nusselt Number in Low Reynolds Number Flows Through Pin Fin Geometries
(The American Society of Mechanical Engineers (ASME), 2024)The design of various biomedical, electronics cooling, and microfluidic devices relies on geometry-specific models and empirical correlations for flow and heat transfer through microscale pin fin geometries. Machine learning ... -
Identification of the Onset of Bifurcations in a Trapezoidal Cavity Receiver Open at the Top
(The American Society of Mechanical Engineers (ASME), 2024)Stability analysis of buoyancy-driven convective flow in the trapezoidal cavities is essential for efficient heat transfer in solar evaporators. In the present analysis, the symmetry breakdown pitchfork and Hopf bifurcations' ... -
Modeling of Frictional Interbristle Contact in Brush Seals With Shaft Radial Movements
(The American Society of Mechanical Engineers (ASME), 2025)Brush seals are utilized in turbines to minimize leakage flows and enhance thermal efficiency. Their widespread use faces challenges like pressure-stiffening and hysteresis, leading to unpredictable performance. This work ... -
Experimental Investigation on the Dynamic Response of a Turbocharger Centrifugal Compressor in Surge Transitions
(The American Society of Mechanical Engineers (ASME), 2025)Centrifugal compressors play a critical role in various industrial applications, and understanding their operational behavior, especially during surge conditions, is essential for enhancing efficiency and reliability. This ... -
Experimental Study of the Real Gas Effects of CO2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor
(The American Society of Mechanical Engineers (ASME), 2025)The thermodynamic properties of CO2 do not obey the ideal gas law and the simplified equation of state. The enthalpy and sonic speed depend on both temperature and pressure whereas the enthalpy and the speed of sound of ... -
Rapid Airborne Gas-Plume Mapping and Source Localization With Feedforward Gas-Sensor Dynamics Compensation
(The American Society of Mechanical Engineers (ASME), 2024)This article focuses on improving the speed, accuracy, and robustness of autonomous aerial-based chemical sensing for plume mapping and source localization through characterizing, modeling, and feedforward compensation of ... -
Wave Reformer Channel Shape Design for Enhanced Hydrogen Pyrolysis
(The American Society of Mechanical Engineers (ASME), 2024)A wave reformer utilizes shock-wave heating resulting from pressure exchange between a driver and a driven (reactant gas) to initiate a thermal decomposition reaction. Although widely applicable to many reactions, this ... -
Hybrid Surrogate Modeling Approach for Data Reduction and Design Space Exploration of Turbine Blades
(The American Society of Mechanical Engineers (ASME), 2024)The conventional iterative optimization of turbine blades using computer-aided engineering simulations is resource-intensive, with high costs and time demands, as well as significant challenges in computational requirements ... -
Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud
(The American Society of Mechanical Engineers (ASME), 2024)For novel high-speed small core turbines, with tip clearance below 0.5 mm, even small blade-to-blade tip clearance variation is significant. The assessment of these complex flows is pertinent to the design of the next ... -
Flashback Prevention in a Hydrogen-Fueled Reheat Combustor by Water Injection Optimized With Global Sensitivity Analysis
(The American Society of Mechanical Engineers (ASME), 2024)This paper investigates water injection effects in a simplified Ansaldo GT36 reheat system under realistic conditions of 20 atm using large eddy simulation (LES) coupled with thickened flame modeling and adaptive mesh ... -
Design and Simulation of eVTOL Aircraft Thermal Management System
(The American Society of Mechanical Engineers (ASME), 2024)This paper focused on designing a thermal management system (TMS) for a parallel hybrid electric (PHE) XV-15 tiltrotor aircraft used in urban air mobility (UAM) applications. The TMS is integrated into the aircraft system ... -
Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
(The American Society of Mechanical Engineers (ASME), 2024)Modern turbomachinery demands simplified components and compact shaft support systems. This study introduces novel hydrostatic journal bearings incorporating multiple tilting pads and fluid feeding features, which are ... -
V-Spline Design for Enhanced Performance in Turbine Blade Internal Cooling
(The American Society of Mechanical Engineers (ASME), 2024)Past experiments have consistently shown that V-shaped rib turbulators are among the best in heat transfer performance. While there is literature on the V rib design in various experimental studies, there is no literature ... -
Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response
(The American Society of Mechanical Engineers (ASME), 2024)The geometric scatter in the surfaces of blades and vanes due to manufacturing variability has an impact on the dynamics (structural mistuning) that has been widely studied, but also on the aerodynamics. This geometric ... -
Methodology for Modeling Nonlinear Thermomechanical Response With Wear at High-Speed Interactions: Application to a Pin–Disk Configuration
(The American Society of Mechanical Engineers (ASME), 2024)An aircraft engine is a complex structure for which some components can come into contact at high speed. Modeling this behavior is very complex as multiple physics must be considered. State-of-the-art methodologies usually ...