YaBeSH Digital Library: Recent submissions
Now showing items 13801-13820 of 316660
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Understanding Inconsistencies in Thermohydraulic Characteristics Between Experimental and Numerical Data for DI Water Flow Through a Rectangular Microchannel
(The American Society of Mechanical Engineers (ASME), 2024)Facing discrepancies between numerical simulation, experimental measurement, and theory is common in studies of fluid flow and heat transfer in microchannels. The cause of these discrepancies is often linked to the transition ... -
Estimating the Thermal Conductivity of Thin Films: A Novel Approach Using the Transient Plane Source Method
(The American Society of Mechanical Engineers (ASME), 2023)The conventional transient plane source (TPS) method for thin films is used for films and adhesives with thicknesses between 50 and 200 μm. Measurements with the conventional TPS method are usually inaccurate due to thermal ... -
Analysis of Multilayer Cylindrical Thermal Conduction With a Time-Varying Convective Boundary Condition
(The American Society of Mechanical Engineers (ASME), 2023)Heat transfer in a multilayer body plays a key role in design and optimization of several engineering systems. While the analysis of simple multilayer problems is quite straightforward, realistic scenarios such as ... -
Numerical Study of Mixed Convection of Buoyant Twin Jet
(The American Society of Mechanical Engineers (ASME), 2023)The effect of mixed convection of twin vertical jets is investigated numerically in this paper. The results are presented specifically for flows affected by buoyancy for two parallel jets of same velocities ranging between ... -
Significant Enhancement of Near-Field Radiative Heat Transfer by Misaligned Bilayer Heterostructure of Graphene-Covered Gratings
(The American Society of Mechanical Engineers (ASME), 2023)The near-field radiative heat transfer of heterostructure consisting of SiC gratings and graphene is investigated in this work. The rigorous coupled-wave analysis is employed to calculate the spectral heat flux. Nevertheless, ... -
Biomechanical Evaluation of Tracheal Needle Puncture Forces: Comparative Analysis of Annular Ligaments and Tracheal Cartilage
(The American Society of Mechanical Engineers (ASME), 2023)Percutaneous tracheotomies (PCT) are commonly performed minimally invasive procedures involving the creation of an airway opening through an incision or puncture of the tracheal wall. While the medical intervention is ... -
Significance of Upstream Wall Conditions in Characterizing the Heat Transfer Phenomena of Rarefied Flows
(The American Society of Mechanical Engineers (ASME), 2023)Slip flows in small-scale flow networks involve simultaneous presence of multiple factors governing the flow field. In addition, conditions of upstream wall need to be clearly defined for quantifying the total heat that ... -
Energy Modeling of an Aquaculture Raceway
(The American Society of Mechanical Engineers (ASME), 2023)Large seasonal temperature variations in aquaculture source water leave aquaculture ponds and raceways susceptible to temperature variations leading to nonoptimal growing conditions. Such conditions may slow down the growth ... -
Computational Modeling of Walking Beam Type Reheat Furnace for the Prediction of Slab Heating and Scale Formation
(The American Society of Mechanical Engineers (ASME), 2023)Computational modeling using the high-viscosity laminar flow approach was applied to study the effect of slab crossing time on slab heating and scale growth. Simulation of an existing industrial walking beam reheating ... -
Numerical Investigations on Enhancement of Pool Boiling Heat Transfer on a Mixed Wettability Surface Employing Lattice Boltzmann Method
(The American Society of Mechanical Engineers (ASME), 2023)In this paper, a systematic numerical study of pool boiling heat transfer on a mixed wettability heated surface is done using the lattice Boltzmann method (LBM) with a multiple relaxation time (MRT)-based collision operator. ... -
A Comparative Study of Flow Boiling Heat Transfer and Pressure Drop Characteristics in a Pin-Finned Heat Sink at Horizontal/Vertical Upward Flow Orientations
(The American Society of Mechanical Engineers (ASME), 2023)With the continuous development of power electronic devices toward miniaturization and compactness, it is necessary to develop more efficient flow boiling heat transfer technologies. In this work, the flow boiling heat ... -
A Fully Implicit Enthalpy-Porosity Model for Phase-Change
(The American Society of Mechanical Engineers (ASME), 2023)This article proposes a new formulation for a phase change model based on the enthalpy-porosity idea. A general one-energy equation model (1EEM) is extended to deal with the melting and solidification of pure substances ... -
Experimental Evaluation of Combustor Configuration's Impact on a Swirl-Assisted Jet-Stabilized Combustor Performance
(The American Society of Mechanical Engineers (ASME), 2024)A major challenge for gas turbine combustor technology is the emission of NOx and carbon monoxide (CO). Achieving an optimal premixed, prevaporized, dry low-NOx condition is a critical issue for liquid fuel combustors. To ... -
An Enhanced Predictive Method for Large Droplet Breakage Based on the Discrete Particle Model
(The American Society of Mechanical Engineers (ASME), 2024)In high-speed flows, a single droplet undergoes fragmentation, yielding numerous child droplets. Conventional breakup models usually group these droplets into a single parcel, neglecting the postbreakup spatial distribution. ... -
Effects of a Three-Dimensional-Printed Atomizer Component on Fuel-Spray and Flame Characteristics of a Jet-Stabilized Compact Gas Turbine Combustor Fed With Liquid Fuels
(The American Society of Mechanical Engineers (ASME), 2024)In this work, the effects of replacing an atomizer component of a confined jet-stabilized gas turbine combustor with a three-dimensional (3D)-printed part have been studied. The part is called airblast, and it serves as a ... -
Predicting NOx Emissions of a Lean Hydrogen Flame Using High and Low Order Computational Fluid Dynamics Models
(The American Society of Mechanical Engineers (ASME), 2024)Recent efforts in numerical methods to study hydrogen combustion have allowed the development of affordable and reliable strategies that can reproduce the main structure of the flame. Although this objective represents a ... -
Simultaneous Evaluation of Tibiofemoral and Patellofemoral Mechanics in Total Knee Arthroplasty: A Combined Experimental and Computational Approach
(The American Society of Mechanical Engineers (ASME), 2023)Contemporary total knee arthroplasty (TKA) has not fully restored natural patellofemoral (P-F) mechanics across the patient population. Previous experimental simulations have been limited in their ability to create dynamic, ... -
Cracking Behavior of Environmental Barrier Coatings/Ceramic Matrix Composite System Using Acoustic Emission and Digital Image Correlation
(The American Society of Mechanical Engineers (ASME), 2024)An investigation into the cracking behavior of advanced environmental barrier coating/woven SiC/SiC ceramic matrix composite (CMC) system under uni-axial tension testing was performed in this study. The effect of substrate ... -
Experimental Study of Natural Gas and Hydrogen Cofiring Characteristics Using Different Types of Single Nozzles of F-Class Practical Gas Turbine Combustors
(The American Society of Mechanical Engineers (ASME), 2024)Recent research on cofiring natural gas and hydrogen, a carbon-free clean fuel, aims to reduce greenhouse gas emissions from aging gas turbine power generation, a key energy issue. This approach can enhance old gas turbines ... -
Uncertainty Quantification of Compressor Performance Affected by Data-Driven Blade Geometric Deviations
(The American Society of Mechanical Engineers (ASME), 2024)Accurate uncertainty quantification of compressor performance arising from blade geometric deviations is conducive to blade optimization design, blade error verification, etc. In order to investigate the impact of actual ...