Control of cavity flow with acoustic radiation by an intermittently driven plasma actuator
H Yokoyama, K Otsuka, K Otake, M Nishikawara… - Physics of …, 2020 - pubs.aip.org
In a cavity flow with acoustic radiation, self-sustained oscillations are controlled by a
continuously or intermittently driven plasma actuator with elongated electrodes in the …
continuously or intermittently driven plasma actuator with elongated electrodes in the …
Suppression of deep cavity aeroacoustics at low Mach number by localized surface compliance
A unique concept of utilizing localized surface compliance is proposed to suppress deep
cavity aeroacoustics at a low Mach number. The core idea is to provide local absorption of …
cavity aeroacoustics at a low Mach number. The core idea is to provide local absorption of …
Simulation of thermoacoustic heat pump effects driven by acoustic radiation in a cavity flow
H Yokoyama, Y Omori, M Kume, M Nishikawara… - International Journal of …, 2022 - Elsevier
Computations of coupled phenomena between the fluid and acoustic interactions in the
cavity flow and heat conduction in the flat plates (stack) installed in the cavity were …
cavity flow and heat conduction in the flat plates (stack) installed in the cavity were …
Surface roughness effects on cavity flows
Abstract Effects of three-dimensional (3-D) distributed roughness elements on the flow
characteristics within a cavity are investigated using a series of high-fidelity eddy-resolving …
characteristics within a cavity are investigated using a series of high-fidelity eddy-resolving …
Performance and mechanism of the hydrodynamic noise reduction for biomimetic trailing-edge serrations of a submarine
Z Ma, P Li, H Guo, K Liao, Y Yang - Journal of Fluids and Structures, 2025 - Elsevier
As submarine speed increases, the hydrodynamic noise generated by the sail of a
submarine becomes more pronounced. Inspired by the noise reduction capabilities …
submarine becomes more pronounced. Inspired by the noise reduction capabilities …
Experimental tests and aeroacoustic simulations of the control of cavity tone by plasma actuators
H Yokoyama, I Tanimoto, A Iida - Applied Sciences, 2017 - mdpi.com
Featured Application Noise reduction in high-speed transport vehicles. Abstract A plasma
actuator comprising a dielectric layer sandwiched between upper and lower electrodes can …
actuator comprising a dielectric layer sandwiched between upper and lower electrodes can …
An experimental characterization on the acoustic performance of forward/rearward retraction of a nose landing gear
Y Liang, K Zhao, Y Chen, L Zhang… - International Journal of …, 2019 - Wiley Online Library
The modern undercarriage system of a large aircraft normally requires the landing gear to
be retractable. The nose landing gear, installed in the front of the fuselage, is retracted either …
be retractable. The nose landing gear, installed in the front of the fuselage, is retracted either …
Effect of flow-induced surface vibration on deep cavity aeroacoustics
This study examines an elastic panel flush-mounted on the bottom wall of a deep cavity,
under the subsonic flow condition of Mach number 0.09, as a passive approach to the tonal …
under the subsonic flow condition of Mach number 0.09, as a passive approach to the tonal …
Deep cavity noise suppression by exploiting aeroacoustic–structural interaction of multiple elastic panels
This paper reports a numerical study of a novel methodology for passive suppression of
deep cavity noise by means of strategically designed and arrangements of multiple elastic …
deep cavity noise by means of strategically designed and arrangements of multiple elastic …
Experimental Study of Deep Cavity Noise Suppression by Surface Compliance
This study investigates a novel passive control technique for suppressing tonal noise in
deep cavities, focusing on the strategic use of surface compliance. An experimental setup …
deep cavities, focusing on the strategic use of surface compliance. An experimental setup …