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Experimental and numerical investigation on the gas leakage regime for ventilated tail cavity of an underwater vehicle
The objective of this paper is mainly to investigate the ventilated tail cavity flow of an underwater vehicle with focus on the gas leakage regime by...
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Effect of cavity modifications on the suppression of wake’s bi-stability in square back Ahmed body
An experimental investigation has been carried out to test the ability of various cavity modifications on the base of a square-back Ahmed body to...
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Numerical Analysis of Supersonic Flow Past a Double Cavity Scramjet Combustor
The fundamental physics involved in cavity flows are of great academic interest. The cavity flows are characterized by an unstable shear layer,...
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Prediction of Cavity Noise Based on IDDES and NLAS Methods
The prediction of cavity noise is one of the key technologies for the internal weapon bay of high-speed aircraft. Numerical simulations were...
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Computational Study of Aero-acoustic Feedback in Supersonic Cavity Flow
Experimental and computational analysis has been already carried out by many researchers on supersonic flow past cavities, but detailed analysis of...
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Surface Roughness Effects on Cavity Flows
Effects of three-dimensional (3-D) distributed roughness elements on the flow characteristics within a cavity are investigated using a series of...
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Data-based analysis of multimodal partial cavity shedding dynamics
AbstractTime-resolved X-ray densitometry void fraction measurements and accompanying acoustic emissions have revealed that partial cavity shedding on...
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Passive control of dynamic stall using a flow-driven micro-cavity actuator
AbstractA novel passive flow control strategy for the mitigation of transient separation and dynamic stall is demonstrated by means of high-fidelity...
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Experimental Investigation on the Flow-Induced Oscillation in Deep Cavity and the Controlling Effect Using Wedge Spoiler
Flow-induced oscillation is an important phenomenon in cavity flow. It will produce strong aeroacoustic noise and radiate to the far-filed with...
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Numerical Study on the Vertical Water Exit of A Cylinder with Cavity
When a high-speed body with cavity passes through water-air free surface and exits water, its mechanical environment and dynamic characteristics...
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Application of Omega vortex identification method in cavity buffeting noise
The cavity buffeting noise is related to the free shear layer oscillation and the periodic vortex shedding, where weak vortices coexist with strong...
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Flow characteristics and bubble statistics during the fragmentation process of the ingested main cavity in plunging breaking waves
Plunging breaking waves play an important role in the exchange of heat, momentum, and mass between the atmosphere and ocean. In this paper, a series...
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Characteristics of Oscillation in Cavity of Helmholtz Nozzle Generating Self-excited Pulsed Waterjet
Cavity flow oscillations in the axisymmetric cavity are critical to the operating efficiency of self-excited pulsed waterjets, which are widely...
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Investigation on cavitating turbulent flow for the twisted NACA66 hydrofoil using a PANS model with helicity modification
In the present paper, the unsteady cavitating turbulent flow over the twisted NACA66 hydrofoil is investigated based on an modified shear stress...
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Numerical Study for Steady Natural Convection in a Newtonian Nanofluid-Filled U-Shaped Copper-Water Inside a Square Cavity Using Lattice Boltzmann Method (LBM)
This study investigates the natural convection phenomenon in a closed square cavity filled with copper-water nanofluid under differential heating....
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Investigation of Nonstationary Gas-Dynamical Characteristics in the Resonator Cavity
Mathematical simulation of a nonstationary flow of an ideal gas in the resonator cavity is presented. The influence of the resonator depth on the...
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Noise reduction in cavity flow by addition of porous media
Self-sustained oscillation and the sound radiation of flow over an open cavity is of great importance in nature and industry. Influences of filled...
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Synchronous vortex shedding from aerodynamically isolated side-by-side cylinders imposed by flow-excited resonant acoustic modes
AbstractThe flow-excited acoustic resonance of aerodynamically isolated side-by-side cylinders is experimentally investigated to identify the...
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Investigation on the dynamic behavior of cloud cavitation around a flexible hydrofoil
The objective of this paper is to investigate the dynamic behavior of cloud cavitating flow around a flexible hydrofoil with experimental and...
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Verification and Validation for Large Eddy Simulation of Cavitating Flow Around a Projectile Near the Free Surface
Verification and validation (V&V) is a helpful tool for evaluating simulation errors, but its application in unsteady cavitating flow remains a...