Results 31 to 40 of about 3,426,911 (314)

Large-Scale Experiments to Improve Monopile Scour Protection Design Adapted to Climate Change—The PROTEUS Project

open access: yesEnergies, 2019
This study aims to improve the design of scour protection around offshore wind turbine monopiles, as well as future-proofing them against the impacts of climate change.
Carlos Emilio Arboleda Chavez   +17 more
doaj   +1 more source

Ottoman Mosques in Albania: Building Acoustic Exploration inside Five Case Studies

open access: yesBuildings, 2021
The Ottoman mosques of the 15th and 16th centuries represent an architectural typology that has been replicated in territories out of the Middle East for as long as Islam spread its influence on other countries. This paper deals with the determination of
Silvana Sukaj   +4 more
doaj   +1 more source

Wideband Acoustic Reflex Measurement

open access: yesSeminars in Hearing, 2023
AbstractAcoustic reflex thresholds (ART) obtained using pure-tone probe stimuli as part of a traditional immittance test battery can be used to evaluate site of lesion and provide a cross-check with behavioral results. ARTs obtained as part of a wideband acoustic immittance (WAI) test battery using a click as the probe stimulus can be used in the same ...
Feeney, M. Patrick   +2 more
openaire   +2 more sources

Fracture toughness of rock-concrete interfaces and its prediction based on acoustic properties

open access: yesГорные науки и технологии
The relevance of the subject is determined by the need to solve the problem of ensuring the safety and prevent failure of facilities containing an interface between rock and concrete.
Aleksandr S. Voznesenskii   +2 more
doaj   +1 more source

Measurements of Normal Incidence Reflection Loss as a Function of Temperature at the Water-Castor Oil Interface

open access: yesSensors, 2019
Reflection loss at the water-castor oil interface as a function of temperature was measured in a direction normal to the interface using a 200-kHz acoustic signal.
Dong-Gyun Han   +3 more
doaj   +1 more source

Sound Event Detection in Underground Parking Garage Using Convolutional Neural Network

open access: yesBig Data and Cognitive Computing, 2020
Parking is a crucial element in urban mobility management. The availability of parking areas makes it easier to use a service, determining its success. Proper parking management allows economic operators located nearby to increase their business revenue.
Giuseppe Ciaburro
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

A Comparison between Numerical Simulation Models for the Prediction of Acoustic Behavior of Giant Reeds Shredded

open access: yesApplied Sciences, 2020
Giant reeds represent a natural fiber widely available in some areas of the world. Its use can be particularly useful as the uncontrolled growth of giant reeds can be a problem because large areas are invaded by them and the crops are damaged.
Giuseppe Ciaburro   +3 more
doaj   +1 more source

Examining In Situ Acoustic Conditions for Enhanced Occupant Satisfaction in Contemporary Offices

open access: yesBuildings, 2022
Indoor acoustic quality is one of the critical indicators for occupants’ health, comfort, and productivity in contemporary office environments. Post-occupancy evaluation (POE) is usually employed to examine in situ acoustic measurements to ensure indoor ...
Jihyun Park   +2 more
doaj   +1 more source

Acoustical measurements in rooms with variable acoustics. [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1991
A dedicated, computer-based system was developed to perform a complete set of acoustical measurements of recent interest in full-sized rooms and in scale models of rooms. The measurements included reverberation time, early reverberation time, loudness, early-to-late temporal energy ratios, lateral energy fractions, interaural cross correlation, and ...
Shirley Jin   +5 more
openaire   +1 more source

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