Journal of Fluids Engineering: Recent submissions
Now showing items 221-240 of 9024
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Unified, Integral Approach to Modeling and Design of High-Pressure Pipelines: Assessment of Various Flow and Temperature Models for Supercritical Fluids
(The American Society of Mechanical Engineers (ASME), 2024)A unified one-dimensional (1D), steady-state flow and heat transfer model is presented for the pipeline transport of fluids at high pressures, including the supercritical (SC) conditions. The model includes a generalized ... -
The Influence of Vortex Flow in the Dispersed Phase on Droplet Formation Dynamics
(The American Society of Mechanical Engineers (ASME), 2025)This work explores the characteristics of a two-phase system's dispersed phase flow that interacts inside the microfluidic channel at the junction. Direct visualization and μ-particle image velocimetry measurements are ... -
An Improved Eulerian–Lagrangian Method Combined With Ductile Material Model for Cavitation Erosion Assessment
(The American Society of Mechanical Engineers (ASME), 2024)Cavitation erosion in hydraulic machinery constitutes a multifaceted, instantaneous physicochemical process resulting in material wear and decreased efficiency. This paper employs an enhanced Eulerian–Lagrangian method to ... -
Numerical Investigation of Duct Augmented Vertical Axis Wind Turbine With Cambered Airfoils
(The American Society of Mechanical Engineers (ASME), 2024)In urban settings, vertical axis wind turbines (VAWTs) have gained recognition for their ease of usage and omnidirectional wind acceptance. Their low efficiency in comparison to horizontal axis wind turbines (HAWTs) has ... -
Experimental Investigation of Biofouled Ship Control Surface Performance
(The American Society of Mechanical Engineers (ASME), 2024)Marine biofouling threatens ship safety by causing unexpected control surface performance. To explore these adverse biofouling effects, this paper presents the results of wind tunnel testing using a model-scale, low aspect ... -
Stall Inception Analysis on Axial Compressors With Different Rotor Loading Distributions Under Radial Inlet Distortions
(The American Society of Mechanical Engineers (ASME), 2024)Stability studies were conducted on a single-stage, low-speed compressor with different rotor loading-distribution designs under a uniform inlet, 10% intensity, and 20% intensity total tip pressure distortion inlet conditions ... -
Effects of Leading-Edge Blowing Control and Reduced Frequency on Airfoil Aerodynamic Performances
(The American Society of Mechanical Engineers (ASME), 2024)Airfoil leading-edge fluid-blowing control is computationally studied to improve aerodynamic efficiency. The fluid injection momentum coefficient Cμ (the ratio of injection to incoming square velocities times the slot's ... -
Numerical Study of Horizontal Launch Free Motions of Powered Natural Supercavitating Vehicles
(The American Society of Mechanical Engineers (ASME), 2025)The unique force characteristics constrain significant improvements in the motion performance of supercavitating vehicles (SCAVs). To enhance stable motion performance, understanding motion characteristics is essential. ... -
Cavitation Performance of a Pump With Independently Rotating Inducer and Impeller in Co-Rotation and Counter-Rotation Modes by Varying Rotor Speeds
(The American Society of Mechanical Engineers (ASME), 2025)Centrifugal pumps, consisting of an inducer and impeller, are used in various industries such as marine, aerospace, and nuclear. Typically, inducers and impellers in centrifugal pumps are fixed on the same shaft, having ... -
Improved Prediction of Pump Performance Through the Rotation–Curvature Correction—An Experimental and Numerical Study of a Low-Specific-Speed Helico-Axial Compression Cell in Series
(The American Society of Mechanical Engineers (ASME), 2024)Within turbomachines, turbulence production and redistribution are affected by system rotation and streamline curvature. However, the most frequently used turbulence models do not account for these effects. In the present ... -
Turbulent Flow and Wall Forces in Staggered Square Cylinder Porous Media: An Large Eddy Simulation Analysis
(The American Society of Mechanical Engineers (ASME), 2024)The wall-modeled-large eddy simulation (WMLES) technique was used to analyze turbulent flow in a porous medium composed of a staggered arrangement of square cylinders. The study focused on a porosity range of 0.3–0.8 at a ... -
Assessment of ansys-fluent Code for Computation of Two-Phase Flow Characteristics: A Comparative Study of Water–Air and Silicone Oil–Air in a Vertical Pipe
(The American Society of Mechanical Engineers (ASME), 2024)The study aimed to assess the flow characteristics of water–air and silicone oil–air in a vertical upward pipe, utilizing computational fluid dynamics (CFD) simulations with the volume of fluid (VOF) model. Structured ... -
Effects of Impact Energy and Aspect Ratio on the Motion of Particle Clouds in Stagnant Water
(The American Society of Mechanical Engineers (ASME), 2024)A series of laboratory experiments was conducted to investigate the effects of impact energy and other initial controlling parameters on the motion of particle clouds in stagnant water. Experiments were performed for two ... -
Research on Unsteady Flow Mixing Characteristics of Centripetal Wave Rotor Combustor
(The American Society of Mechanical Engineers (ASME), 2024)The centripetal wave rotor combustor can better match the centrifugal compressor and the axial turbine of the reference machine, reduce the size of the engine and simplify the transition section structure. In this paper, ... -
Comparison of Vortex Structures and Turbulent Heat Transport for a Single Jet and Multiple Jets in Crossflow
(The American Society of Mechanical Engineers (ASME), 2025)Large eddy simulations (LESs) were conducted for a single jet and five spanwise jets with a jet-to-jet spacing of 1.6D (jet nozzle diameter). The jet-to-crossflow velocity ratio was 3.3, and the Reynolds number based on ... -
Experimental Investigation of the Effect of Rake on a Bluff Body Equipped With a Diffuser
(The American Society of Mechanical Engineers (ASME), 2025)This article presents the results of an experimental investigation into the impact of rake, or inclination of the underfloor, on the aerodynamics of a bluff body equipped with an underbody diffuser. An extensive wind tunnel ... -
Three-Dimensional Simulation of Cavitating Flow in Reciprocating Positive Displacement Pumps With Fluid-Actuated Valves
(The American Society of Mechanical Engineers (ASME), 2024)An in-house compressible three-dimensional (3D) finite volume computational fluid dynamics (CFD) method, with statistical turbulence model and moving grid capabilities, is presented and applied to the suction stroke of a ... -
On Using the Distributor as a Multi Degree-of-Freedom System to Mitigate the Pressure Pulsation in an Axial Turbine at Speed-No-Load
(The American Society of Mechanical Engineers (ASME), 2024)Hydraulic axial turbines are more frequently utilized for grid regulation purposes. Sometimes, they must be operated at speed-no-load (SNL) conditions, which is characterized for some machines by a varying number of large ... -
A Comparative Study on the Prediction of Hydrogen, Nitrogen, and Water Vapor of Regenerative Hydrogen Pump With Different Turbulence Models
(The American Society of Mechanical Engineers (ASME), 2024)The flow in a regenerative hydrogen pump used in a proton exchange membrane (PEM) fuel cell system is complex, including velocity mixing, streamline distortion, swirling flow, corner flow, and possible boundary separation. ... -
Stability and Energy Balance Analysis of Axisymmetric Boundary Layer: Effects of Oblique Nonuniform Suction and Injection
(The American Society of Mechanical Engineers (ASME), 2024)This paper discusses the modal global stability analysis of the boundary layer (BL) formed over a circular cylinder subjected to oblique nonuniform suction and injection. The linearized stability equations governing the ...