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 …

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 …

Rossiter resonance noise, which is flow driven cavity noise involving fluid dynamics
processes, was investigated in a low-speed wind tunnel. The experiments include near-field …

Sound-pressure level of acoustic waves from the flow around a 1/8-reduced-scale simplified
train model and pressure-fluctuation distribution of the bottom surface of the bogie were …

To clarify the effects of freestream turbulence on cavity tones, flow and acoustic fields were
directly predicted for cavity flows with various intensities of freestream turbulence. The …

Expanding pipes with orifice plates are often utilized as silencers for fluid machinery.
However, intense tonal sounds can be generated from a flow through such expanding pipes …

Expanding pipes with orifice plates are utilized as silencers for fluid machinery. However,
tonal sounds can be generated from flows through the silencers with such a configuration …

The objective of this paper is to clarify the mechanism for the reduction of cavity tone with
blowing jets aligned in the spanwise direction in the upstream boundary layer. Also, the …

In the locked-on state, the ratio of resonant frequency to the fundamental frequency of self-
sustained oscillation is suggested to play a key role in predicting the dominant tonal noise …

In the present dissertation, the innovative wind tunnel testing techniques that can assess the
crosswind stability and evaluate the aerodynamic noise with noise source detection were …