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Chapter and Conference Paper
Recognition Location Method of Sound Source Based on Rotating Microphones
Microphone arrays have been widely used in sound source localization in recent decades. Traditional static microphone arrays need to use a large number of microphones, which leads to high cost. In order to sol...
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Chapter and Conference Paper
Influence of Gap Width on Fluid–Structure Interaction for a Cylinder Cluster in Axial Flow
This work aims to experimentally investigate the effect of gap width P* (= P/D, where D is the cylinder diameter) on the fluid–structure interaction for a symmetrically-arranged cylinder cluster in turbulent axia...
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Chapter and Conference Paper
Performance Optimization of Microphone Array Beamforming Based on Multi-circular Ring Microphone Arrays Combination
In this paper, a fast method of microphone array optimization is proposed. Firstly, the theoretical analysis of a single circular ring microphone array was carried out, and the beamforming function was obtaine...
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Chapter and Conference Paper
Mechanisms of the Aerodynamic Improvement of an Airfoil Controlled by Sawtooth Plasma Actuator
This work aims to investigate the control mechanism of aerodynamic performance enhancement of a NACA 0015 airfoil with a sawtooth dielectric barrier discharge (DBD) plasma actuator at a Reynolds number Re of 7.7 ...
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Chapter and Conference Paper
Experimental Study of a Passive Control of Airfoil Lift Using Bioinspired Feather Flap
This paper presents a systematic experimental investigation on a passive flow control of a NACA0012 airfoil using real feather flap which is installed on the pressure surface. The focus of the present study is...
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Chapter and Conference Paper
Broadband Noise Absorber with Piezoelectric Shunting
Many efforts have been devoted to enhance the sound absorption performance of a micro-perforated panel (MPP) absorber, which usually consists of an MPP fitted in front of a backing wall or cavity. Among them, ...
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Chapter and Conference Paper
Numerical Studying the Dynamic Stall of Reverse Flow Past a Wing
The delayed detached-eddy simulation with adaptive coefficient (DDES-AC) and original DDES method are applied to simulate the dynamic stall of the reverse flow past a finite-span wing with NACA0012 airfoil. Th...
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Chapter and Conference Paper
Aerodynamic Performance of a Sedan Under Wind-Bridge-Tunnel Road Condition
Due to the complexity of the wind environment around bridge-tunnel section in canyon, the flow field around vehicle is complex and changeable. In this paper, the processes of a sedan pulling out of a two-way f...