Sound Radiation
Effect of sound radiation from plate attached with absober
... and sound radiation, which lead to excessive ...the sound pressure radiated from simply support plate (SSP) without absorber and compared with attached single absorber in term of vibration ...
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Sound radiation from a perforated unbaffled plate
... the sound radiation from an unbaffled perforated plate is ...the radiation efficiency is lower for the unbaffled case but as the perforation ratio increases, the results for both conditions become ...
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Further insight into the sound producing mechanism of clownfishes: what structure is involved in sound radiation?
... the sound has been studied, which raises the question, what structure is involved in sound radiation? Here, a combination of different approaches has been used to determine the anatomical ...
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Characteristics of Vibration and Sound Radiation of Metro Resilient Wheel
... and sound radiation of the wheel/rail system and reduce the wheel and rail ...on sound radiation of resilient wheels [7, ...the sound radiation of resilient wheel through experi- ...
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Sound radiation from exponentially growing and decaying surface waves
... of sound radiation from an infinite plane boundary, generalised to allow for temporal growth and decay of travelling waves on the ...[4], sound is only radiated into the far field from supersonically- ...
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Design and development of a smart panel with five decentralised control units for the reduction of vibration and sound radiation
... At low frequencies the response of a lightly damped structure is characterised by well separated resonance peaks. Thus the reduction of these peaks allows the reduction of the frequency averaged response of the ...
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Sound radiation in turbulent channel flows
... describe sound radiation from weakly compressible unsteady viscous flows that are adiabatic and of uniform composition; the flow is assumed to occupy an arbitrary region with fixed impermeable boundaries, ...
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Sound radiation and wing mechanics in stridulating field crickets (Orthoptera: Gryllidae)
... Germany). Sound recordings were obtained using a 1/8 inch condenser microphone Brüel & Kjaer Type 4138, connected to a Brüel & Kjaer 2633 preamplifier (Brüel & Kjaer, Nærum, ...radiating sound ...
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Analysis of Vibration and Sound Radiation Characteristics of Resilient Wheel in Metro
... and sound radiation under the track irregularity ...acoustic radiation characteristics and the noise reduction effect of the resilient ...The sound power level of the resilient wheel has a ...
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Sound radiation from a perforated plate
... in sound radiation due to perforation on the facing was found around a narrow frequency of the Helmholtz resonator formed by the air cavity inside the honey comb structure and the perforated ...
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Sound radiation by the bladder cicada cystosoma saundersii
... internal sound drive. The sound pressure radiated from tergite 4 was always approximately 10 dB greater than that radiated from sternite 5, but the Q values were very ...
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Vocal tract filtering and sound radiation in a songbird
... of sound frequencies above ...same sound frequencies are not degraded by the harmonics of preceding or subsequent notes (or syllables) that are produced with lower frequencies (<~4·kHz; ...high ...
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Vibroacoustic modelling of a dowelled-joist timber floor using finite element methods
... impact sound insulation below ...for sound radiation from the floor under point force excitation on its surface, such as would occur with footsteps or the ISO tapping machine used for impact ...
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An Analysis of the Acoustic Properties of Composite Materials
... To help select the best material for loudspeaker boxes, we tested various types of polymer materials that are filled with fine, ground wood particles. In addition, we compared these materials with aluminium, MDF ...
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On “Voice of Sea” Generation Mechanism
... for sound sources selec- tion defining possible self-sustained oscillation contribu- tion in far sound ...dipole sound source with minimum directionality in horizontal direction weakened by sea ...
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Sound Swarm : experience sound from the inside
... Similar sound sources can be flocked together, to possibly create more depth in the auditory ...the sound, and flocking together the speakers that produce similar sound characteristics, would pull ...
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Natural sounds : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy at Massey University
... Sound samples including cavity wind sound, aeolian sound, wind sound through vegetation, thunder clap, thunder rumble, thunder crack, plunging breaker sound, spilling breaker sound, rock[r] ...
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Natural sounds : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy at Massey University
... Sound samples including cavity wind sound, aeolian sound, wind sound through vegetation, thunder clap, thunder rumble, thunder crack, plunging breaker sound, spilling breaker sound, rock[r] ...
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ButterflyEffect
... As you read “A Sound of Thunder,” notice the elements of Bradbury’s style. A Sound of Thunder A Sound of Thunder[r] ...
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Sound swarm : experience sound in a new way
... Zirkonium III is asset of Mac OSC software tools to aid the composition of spatial music, as explained in [14]. The software allows to user to set out a trajectory for audio sources, which are mapped on the configured ...
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