Journal of Fluids Engineering: Recent submissions
Now showing items 301-320 of 9024
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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 ... -
Simulating the Effect of Electric Bias Voltages on the Electrical Characteristics of Oxyfuel Preheat Flame Using Reduced Combustion Mechanism1
(The American Society of Mechanical Engineers (ASME), 8/8/2023 1)A three-dimensional computational model is presented in this paper that illustrates the detailed electrical characteristics, and the current–voltage (i–v) relationship throughout the preheating process of premixed ... -
Structure Optimization and Cooling Performance of a Heat Sink With Discontinuous Triangular Ribs Impacted by Hybrid Nanofluid Confined Slot Jet Impingement
(The American Society of Mechanical Engineers (ASME), 8/4/2023 1)Due to the increased use of high heat flux electronic equipment, improving the heat transfer capacity and surface temperature uniformity of heat sinks have become a major concern. In this study, a novel confined slot jet ... -
Mitigation of the Pressure Pulsations in an Axial Turbine at Speed-No-Load With Independent Guide Vanes Opening
(The American Society of Mechanical Engineers (ASME), 7/26/2023 )Hydraulic turbines are operated more frequently at no-load conditions, also known as speed-no-load (SNL), to provide a spinning reserve that can rapidly connect to the electrical grid. As intermittent energy sources gain ... -
Experimental Study of Characteristics of Boundary Layer Flows With Pressure Shielding
(The American Society of Mechanical Engineers (ASME), 7/21/2023 )In this study, boundary layer flows over a flat plate with a canopy of an array of rods are experimentally investigated with particle image velocimetry (PIV) measurements. The experiments were carried out in a liquid tunnel, ... -
Investigations of Spoilers to Mitigate Columnar Vortices in Propeller Turbines at Speed-No-Load Based on Steady and Unsteady Flow Simulations
(The American Society of Mechanical Engineers (ASME), 7/21/2023 )With the introduction of an ever-larger share of renewable but intermittent energy sources on electrical grids, hydraulic turbines are more often used as network stabilizers. In such a role, they are generally operated in ... -
The Similarity Law of Cavitation Number on Cavitation Instability in Liquid Rocket Inducer
(The American Society of Mechanical Engineers (ASME), 7/17/2023 )The influence of inducer rotation speed on the propagation characteristics of rotating cavitation and on the unsteady characteristics of cavitation in rotating cavitation and cavitation surge were examined using a three-bladed ... -
Simulative Quantification of the Supersonic Discharge Process of Cold Gas Airbag Inflators
(The American Society of Mechanical Engineers (ASME), 6/7/2023 1)A simulative method for quantifying the discharge process of cold gas airbag inflators is presented. The pressure, mass flow and the influences of the flow field are relevant to a robust and predictive airbag deployment. ... -
Effect of Confinement on Flow Around a Rotating Elliptic Cylinder in Laminar Flow Regime
(The American Society of Mechanical Engineers (ASME), 6/14/2023 )The flow phenomena around a rotating elliptic cylinder placed in a narrow channel is studied numerically. The walls of the channel act as a confinement that limits the flow in the transverse direction. The confinement ratio ...