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Zhiwei Zhao, Jinqiu Wu, Xiaofei Qi, Gang Qiao, Wenbo Zhang, Chaofan Zhang and Kang Guo
As low-frequency and broadband acoustic emission capability is beneficial to the detection range and acoustic communication speed of small scale autonomous underwater vehicles (AUV), this type of transducer is required, especially in cases of complex aco...
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Joseph Watkins and Abdessalem Bouferrouk
This paper presents initial results on the aeroacoustic and aerodynamic effects of morphing the trailing-edge flap of the 30P30N aerofoil, over five flap deflections (5?25°), at an 8° angle of attack and a Reynolds number of Re=9.2×105" role="pr...
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Marta Picciulin, Chiara Facca, Riccardo Fiorin, Federico Riccato, Matteo Zucchetta and Stefano Malavasi
Boat noise is known to have a detrimental effect on a vulnerable Mediterranean sciaenid, the brown meagre Sciaena umbra. During summer 2019, two acoustic surveys were conducted at 40 listening points distributed within the inlet areas of Venice (northern...
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Zhipeng Zhu and Houlin Liu
Ship ballast pumps have stringent requirements for their transient characteristics. Here, the pneumatic control valve and programmable logic controller (PLC) are applied to realize the rapid reduction in flow rate for ballast pumps, and the dynamic press...
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Artur K. Lidtke, Maarten Klapwijk and Thomas Lloyd
Inflow turbulence is relevant for many engineering applications relating to noise generation, including aircraft wings, landing gears, and non-cavitating marine propellers. While modelling of this phenomenon is well-established for higher Mach number aer...
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