Journal of Fluids Engineering: Recent submissions
Now showing items 21-40 of 8852
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Exploring Near-Wake Structures: Bio-Inspired Convergent-Divergent Riblets on Circular Bluff Bodies
(The American Society of Mechanical Engineers (ASME), 2024)Convergent-divergent (C-D) riblets represent a pioneering rough surface inspired by the skin of fast-swimming sharks and flight feathers of the birds. In this study, we applied convergent-divergent riblets to the outer ... -
Experimental Investigation on the Effect of Nozzle Design on Airlift Pump Performance
(The American Society of Mechanical Engineers (ASME), 2024)Airlift systems are widely used for mass, momentum, and energy transport, particularly in hydrothermal and oil extraction wells. Predicting the impact of nozzle design parameters, such as perforation diameters and air ... -
Compressible Flow Through Flat Valve Seals at Microscale Displacements
(The American Society of Mechanical Engineers (ASME), 2024)Existing analytical flow models for predicting flow rates at microscale seal displacements are limited to two separate domains. The first assumes a small channel length to height aspect ratio at relatively large seal ... -
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 ... -
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 ... -
Thermal Protection Analysis of Hypersonic Reentry Nose Cone With Multirow Disk Spike Using Lateral Single/Multijets: A Computational Investigation
(The American Society of Mechanical Engineers (ASME), 2025)This research examines the efficacy of employing lateral multijets to decrease thermal effects on the blunt body featuring a multirow disk (MRD) spike, which holds significant importance in the design of high-speed vehicles. ... -
Numerical Investigation of Unsteady Flow Characteristics of Planar Plug Nozzle in Overexpanded Conditions
(The American Society of Mechanical Engineers (ASME), 2024)Plug nozzles are frequently regarded as a strong contender for futuristic single-stage-to-orbit (SSTO) space missions due to their inherent altitude-compensating properties. Optimizing the design of these nozzles to achieve ... -
Design and Implementation of an Experimental Test Bench for the Study of Active Flow Control in Scale Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2025)Advancements in wind turbine technology are critical for the global renewable energy landscape. The continuous growth of wind turbine capacities has presented various challenges for flow and power control strategies. New ... -
Experimental and Simulation Investigation of J-Shaped and Kammtail Virtual Airfoils in Small-Scale Horizontal Axis Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2024)In this work, the performance of new wind blade designs for small-scale horizontal axis wind turbines (HAWTs) was studied and compared with the performance of a baseline design. Three J-shaped pressure-side truncation ... -
Effects of Tire Attributes on the Aerodynamic Performance of a Generic Car–Tire Assembly1
(The American Society of Mechanical Engineers (ASME), 2024)The effect of tires on the overall aerodynamic drag in a car–tire assembly has been studied and deemed considerable from past studies. It has been shown that it is important to understand how the vehicle body and the tires ... -
Control of Flow and Acoustic Fields Around an Axial Fan Utilizing Plasma Actuators
(The American Society of Mechanical Engineers (ASME), 2024)Small axial fans, commonly employed for cooling electronic equipment, are frequently housed within narrow ducts, where intense tonal sound with duct resonance can occur, particularly when the blade passing frequency or its ... -
Benchmarking the Performance of the Actuator-Disk Method for Low-Pressure Axial Flow Fan Simulation
(The American Society of Mechanical Engineers (ASME), 2024)The actuator-disk method is a cost-effective simulation tool that implicitly represents the rotor of a turbomachine using a blade-element approach combined with two-dimensional (2D) airfoil coefficient input data. Actuator-disk ... -
Design, Fabrication, and Testing of a Novel Thermally Actuated Tesla Valve: A Hybrid Microvalve1
(The American Society of Mechanical Engineers (ASME), 2024)A novel thermally actuated hybrid microvalve (similar to a Tesla valve configuration) was designed, fabricated, assembled, and tested using soft lithography-based approaches. The modified design integrates the “normally ...