YaBeSH Digital Library: Recent submissions
Now showing items 10761-10780 of 316660
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Forced Response of Rotating Blisks: Prediction and Correlation to Blade Tip-Timing Measurements
(The American Society of Mechanical Engineers (ASME), 2024)This paper explores two different blisk dynamic models for resonant vibration prediction of a rotating blisk test piece, i.e., the Model-BDTID and geometrically mistuned models (GMM). The former represents a mistuned blisk ... -
Performance Analysis of a Self-Decarbonizing Combustor
(The American Society of Mechanical Engineers (ASME), 2024)Hydrogen is envisioned to be a key decarbonization solution for fossil fuel-dependent power generation and aviation industries. At present, a significant fraction of the generated electrical power is derived from natural ... -
Analysis of Thermo-Acoustic Instabilities Induced by Hydrogen Swirling Flames
(The American Society of Mechanical Engineers (ASME), 2024)A considerable research effort has been concerned combustion dynamics of systems fed with hydrocarbon fuels. The case of pure hydrogen/air flames deserves to be specifically considered because hydrogen is highly reactive, ... -
Global Stability and Forced Response Analysis of Swirling Flows in Aviation Combustors
(The American Society of Mechanical Engineers (ASME), 2024)Swirling jets are canonical flow fields used to stabilize flames in many gas-turbine combustion systems. These flows amplify background acoustic disturbances and perturb the flame, producing combustion noise and potentially ... -
Parametric Assessment of Size and Peak Pressure Variability for Cavitation Bubbles Induced by Low-Voltage Discharge
(The American Society of Mechanical Engineers (ASME), 2025)Cavitation presents a significant challenge in the operation and longevity of hydraulic machinery. Studying a single cavitation bubble can provide fundamental insights into the phenomenon. One simple and popular method to ... -
Heat Transfer in Double Pipe Heat Exchangers With Small Tube Spacing
(The American Society of Mechanical Engineers (ASME), 2024)In this work, the heat transfer in double pipe heat exchangers (DPHEs) with small tube spacing is analyzed. This type of heat transfer is generally described in many literary sources; however, in laminar flow, the resulting ... -
Leak-Rate Through Carbon Brush Seals: Experimental Tests Versus Predictions From a Porous Medium Approach
(The American Society of Mechanical Engineers (ASME), 2024)This study presents a detailed comparative analysis between experimental leakage flow rates and numerical predictions for carbon brush seals with long bristles, utilizing a porous medium model approach. A series of tests ... -
A Multi-Objective Optimization Framework for Offshore Wind Farm Design in Deep Water Seas
(The American Society of Mechanical Engineers (ASME), 2024)Floating offshore wind energy will play a key role in the clean energy transition. The number of large-scale wind farm projects is growing in regions like Northern Europe, the East Coast of the U.S., and the Mediterranean ... -
Effect of Isobutanol/Gasoline Blends on the Performance and Emissions of an Otto Engine-Powered Vehicle Operating on a Driving Cycle
(The American Society of Mechanical Engineers (ASME), 2025)This study experimentally investigates the performance and emissions of a typical vehicle in the Latin American automobile sector—specifically, a 1.6L spark ignition engine with port fuel injection (PFI) was used. The tests ... -
Assessing the Effect of Coriolis Acceleration on the Coherent Structures in the Wake of a Wind Turbine Using Dynamic Mode Decomposition
(The American Society of Mechanical Engineers (ASME), 2024)The present work aims to study the effect of veer, namely, the height-dependent lateral deflection of wind velocity due to Coriolis acceleration, on the coherent structures in the wake of the national renewable energy ... -
Selection Criteria for Rotor Number and Rotational Direction in Arrays of Closely Spaced Darrieus Turbines
(The American Society of Mechanical Engineers (ASME), 2024)The efficiency gains observed in a pair of closely spaced Darrieus turbines suggest the deployment of multiple turbines as an appealing solution for wind and, particularly, hydrokinetic applications, where the inflow ... -
Data-Guided Low-Reynolds-Number Corrections for Two-Equation Models
(The American Society of Mechanical Engineers (ASME), 2024)The baseline Launder–Spalding k−ε model cannot be integrated to the wall. This paper seeks to incorporate the entire law of the wall into the model while preserving the original k−ε framework structure. Our approach involves ... -
Analysis of ansys fluent for Wall-Modeled Large-Eddy Simulation of Turbulent Channel Flow
(The American Society of Mechanical Engineers (ASME), 2024)This study assesses the accuracy of ansysfluent 19.2, a commonly employed general-purpose finite volume solver, in the context of wall-modeled large-eddy simulation for turbulent channel flow at a moderate Reynolds number, ... -
Optical Considerations for Designing Laser-Based Volumetric Particle Tracking Velocimetry
(The American Society of Mechanical Engineers (ASME), 2024)The trend to conduct volumetric particle tracking velocimetry (PTV) experiments with ever-increasing volumes, at a given particle density, poses increasing challenges on the design of such experiments in terms of the power ... -
Understanding the Impact of Data Center Liquid Cooling on Energy and Performance of Machine Learning and Artificial Intelligence Workloads
(The American Society of Mechanical Engineers (ASME), 2024)Traditionally, data centers (DC) have used air cooling for IT equipment, but as graphics processing units (GPUs) evolve, they demand more power and sophisticated cooling. Aiming for efficiency, direct liquid cooling (DLC) ... -
Experimental Method to Measure High-Temperature Hygroscopic Swelling in Epoxy Mold Compounds and Dielectric Build-Up Films
(The American Society of Mechanical Engineers (ASME), 2024)In this study, high-temperature hygroscopic swelling characterization of different epoxy mold compounds (EMCs) and dielectric build-up films (DBFs) were analyzed using an experimental technique. The approach maintains ... -
Behavior of Polymeric Substrates and Sintered Silver Printed Hybrid Electronic Assemblies Subject to Extreme Acceleration Levels and Elevated Temperatures
(The American Society of Mechanical Engineers (ASME), 2024)This paper focuses on the response of printed hybrid electronic (PHE) assemblies with polymeric substrates and additively manufactured sintered silver electrical traces subject to extreme mechanical shocks (up to 100,000 g) ... -
Extreme Drop Durability of Sintered Silver Traces Printed With Extrusion and Aerosol Jet Processes
(The American Society of Mechanical Engineers (ASME), 2024)Sintered silver is a popular material for printing conductive traces in printed hybrid electronics (PHE). However, due to the novel materials and printing techniques in PHEs, reliability still needs to be adequately ... -
Modeling and Experimental Validation of Flow Ripple in a Variable Displacement Linkage Pump
(The American Society of Mechanical Engineers (ASME), 2025)The optimal operation of hydraulic systems heavily relies on the performance of their pumps and motors. However, these machines often encounter a phenomenon known as flow ripple that causes periodic fluctuations in the ... -
Application of J-Integral to a Random Elastic Medium
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the use of the J-integral to compute the statistics of the energy release rate of a random elastic medium. The spatial variability of the elastic modulus is modeled as a homogeneous lognormal random ...