Journal of Fluids Engineering: Recent submissions
Now showing items 161-180 of 8892
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Particle Image Velocimetry in a Centrifugal Pump: Influence of Walls on the Flow at Different Axial Positions
(The American Society of Mechanical Engineers (ASME), 2023)For almost a century, humans have relied on centrifugal pumps for the transport of low-viscous fluids in commercial, agricultural, and industrial activities. Details of the fluid flow in impellers often influence the overall ... -
Numerical Simulation of Free Surface Water Waves Around Wavy Hydrofoils: Prediction of Hydrodynamic Coefficients Using Machine Learning
(The American Society of Mechanical Engineers (ASME), 2023)This study uses computational methods to investigate the fluid flow characteristics around a wavy NACA 63(4)-021 hydrofoil near the water surface. It introduces notable contributions to the literature on sinusoidal edge ... -
Numerical Investigations of Turbulent Flow Through a 90-Degree Pipe Bend and Honeycomb Straightener
(The American Society of Mechanical Engineers (ASME), 2023)Pipe bends are commonly used in piping systems in offshore and subsea installations. The present study explores the design considerations for the honeycomb straightener inserted downstream of a 90-degree pipe bend. The ... -
Unified Approach for Damping Rate of Transient Laminar Flow: Experiments, Computational Fluid Dynamics, and One-Dimensional, and Global Models
(The American Society of Mechanical Engineers (ASME), 2023)Pipe networks exhibit complex geometries and are equipped with electromechanical devices capable of generating hydraulic transients. Most of these devices are remotely controlled and managed through an integrated system ... -
Extending the Pressure-Time Method to Pipe With Variable Cross-Section With Three-Dimensional Numerical Simulations
(The American Society of Mechanical Engineers (ASME), 2023)The flowrate in hydraulic turbines can be measured using the pressure-time method specified by the IEC 60041 standard. This method assumes a one-dimensional (1D) flow and is limited to straight pipes with a uniform cross ... -
Optimal Transient Energy Growth of Two-Dimensional Perturbation in a Magnetohydrodynamic Plane Poiseuille Flow of Casson Fluid
(The American Society of Mechanical Engineers (ASME), 2023)The study investigates the influence of the Casson fluid parameter and the spanwise uniform magnetic field on the onset of instability against infinitesimal disturbances in an electrically conducting fluid flow between two ... -
Effect of Bronchial Blood Flow on Respiratory Heat Exchange: A Mathematical Analysis for Infectious Diseases
(The American Society of Mechanical Engineers (ASME), 2023)The present study aims to mathematically analyze the role of bronchial blood flow on heat transfer in respiratory infections. In general, the exchange of heat transfer in various infectious diseases like COVID-19 caused ... -
Model Verification and Experimental Study of the Turbomachinery Wake Flow Field Reconstruction
(The American Society of Mechanical Engineers (ASME), 2023)A clear understanding of the turbomachinery wake flow field is one of the key problems in developing turbomachinery aerodynamics. The theoretical model of helical vortices is established in cylindrical coordinates (r,θ,z), ... -
A Numerical Study of Cyclist-Cyclist Aerodynamic Interaction towards Efficient Overtaking Strategy
(The American Society of Mechanical Engineers (ASME), 2023)In cycling races, overtaking is a crucial maneuver that involves drafting behind and moving to the side of another cyclist. The flow interaction between the cyclists has a very significant impact on the aerodynamic ... -
The Momentum Battle in an Upper Airway During High Flow Nasal Cannula Oxygen Therapy
(The American Society of Mechanical Engineers (ASME), 2023)Two types of high flow nasal cannula (HFNC) oxygen therapy were tested using computational models of the human upper airway to investigate cannula geometry's effect on CO2 flush. Models were run with a generic HFNC geometry, ... -
Interfacial Dynamics Around a Swirling Roller in the Presence of Oppositely Imposed Horizontal Crossflows
(The American Society of Mechanical Engineers (ASME), 2023)The behavior of interfacial dynamics around a swirling circular drum is reported in the presence of horizontal crossflows of gaseous phase. A constant submergence ratio of the rotary drum is considered throughout this work. ... -
Asymmetric Features of the Flow Past a Circular Cylinder Near a Moving Wall
(The American Society of Mechanical Engineers (ASME), 2023)We numerically investigated two-dimensional laminar flow past a circular cylinder near a moving wall for Reynolds numbers ranging from 60–200. The gap-to-diameter ratio (G/D) between the cylinder and wall varied from 0.2–10. ... -
Effect of Gurney Flap on the Aerodynamic Performance of a Flapping Foil: Micro-Aerial Vehicle Application
(The American Society of Mechanical Engineers (ASME), 2023)Even with its small size, the Gurney flap (GF) can help considerably in increasing the lift of foils and wings. To exploit this feature, the objective of this research was to numerically study the effects of this flow ... -
Effect of Tip-Mounted Propeller and Trailing-Edge Flap on Wing's Lift and Drag Coefficients and Vortical Wake
(The American Society of Mechanical Engineers (ASME), 2023)The lift and drag forces and vortical wake of a rectangular semiwing equipped with a tip-mounted propeller and a plain trailing-edge flap both outside and in ground effect were investigated experimentally at Re = 2.49 × 105. ... -
X-Ray Flow Visualization: Techniques and Applications1
(The American Society of Mechanical Engineers (ASME), 2023)Multiphase flows, defined as a discrete phase in a continuous fluid phase, are found in many natural, industrial, and consumer flows, from rainfall and avalanches to petroleum processing and fuel combustion to cookie dough ... -
Closure to Discussion of “Higher Order Chemical Reaction and Radiation Effects on Magnetohydrodynamic Flow of a Maxwell Nanofluid With Cattaneo-Christov Heat Flux Model Over a Stretching Sheet in a Porous Medium” (Vinodkumar Reddy, M. and Lakshminarayana,
(The American Society of Mechanical Engineers (ASME), 8/17/2023 )Our response to the Discussion by Pantokratoras [1] is as follows:Claim-1: The author [1] claimed that the temperature profiles did not converge smoothly. It does not mean that the results are wrong. All the obtained ... -
Discussion on “Higher Order Chemical Reaction and Radiation Effects on Magnetohydrodynamic Flow of a Maxwell Nanofluid With Cattaneo–Christov Heat Flux Model Over a Stretching Sheet in a Porous Medium” (Reddy Vinodkumar, M. and Lakshminarayana, P., 2022,
(The American Society of Mechanical Engineers (ASME), 8/17/2023 ) -
Droplet Formation in Dynamic Stratified Liquid–Liquid Systems for Solution-Based Deposition Methods
(The American Society of Mechanical Engineers (ASME), 8/8/2023 1)The assembly of a two-dimensional (2D) nematic liquid crystal at an interface between two liquids can be exploited to assemble densely packed and highly aligned arrays of rod-like nanoparticles. This method is especially ... -
Controlled Bubble Formation From a Microelectrode Single Bubble Generator
(The American Society of Mechanical Engineers (ASME), 8/8/2023 1)In this work, a new micro-electrode bubble generator is presented that employs a micro-electrode installed inside a small nozzle enabling the production of bubbles with controllable size and frequency. This bubble generator ... -
Cavitation Flows Past a Rotating Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 7/28/2023 )Cavitating flows around a rotating circular cylinder at the low Reynolds number flow (Re ≤ 400) are numerically investigated. The computation is performed by incorporating a compressible homogeneous liquid–vapor two-phase ...