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Applicability of Artificial Neural Network to Estimate Sound Transmission Loss of Ultrafine Glass Fiber Felts

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (4)

In the present study, the sound transmission loss (STL) of ultrafine glass fiber felts in terms of areal density and sound frequency has been modeled ......

JIF:1.04

Source Localization in a Deep Ocean Using the Time Difference of Multipath Arrivals

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (5)

Bottom bounce is a typical sound propagation mode in deep oceans. A receiver moored below the sea surface receives sound waves transmitted from a subm......

JIF:1.04

Reduction of Sound Transmission Through Finite Clamped Metamaterial-Based Double-Wall Sandwich Plates with Poroelastic Cores

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (5)

Finite structures play a more realistic role in applications designed for sound and vibration isolation. Double-panel structure with poroelastic cores......

JIF:1.04

Tunable Band Gap Structures of Acoustic Metamaterials with Magnetorheological Elastomer Cladding Layers

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (5)

One of the challenges associated with acoustic metamaterials is achieving a tunable performance without modifying the structure. In this paper, we pro......

JIF:1.04

A Directional Converter of Longitudinal Vibration with One Input and Multiple Outputs

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (5)

Traditional power ultrasonic vibration systems can process one object at one time and only have one output. A directional converter of longitudinal vi......

JIF:1.04

A Unified Correction Method for the Acoustic Refraction (UCMAR) Caused by a Three Dimensional Shear Layer

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (5)

The acoustic refraction induced by the shear layer in an open-jet wind tunnel causes a source shift when estimating the source location with beamformi......

JIF:1.04

Source Localization Using Multi-Path Time Delays Measured by Two Hydrophones in the Deep Ocean

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (1)

In this paper, an efficient source location approach based on the time delay between bottom-surface reflection and surface-bottom reflection (TDBS) in......

JIF:1.04

The Effects of Speech Intelligibility on Work Performance in Chinese Open-Plan Offices: A Laboratory Study

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (1)

The language used in an environment is a significant factor when examining the effects of speech intelligibility on work performance and acoustic comf......

JIF:1.04

On the Resonance of a Lined Tire Cavity

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (6)

Cavity resonance is one of the important sources of tire noise. The measures commonly used for suppressing the cavity resonance is to paste sound abso......

JIF:1.04

Measurement of Sound Absorption Using a Single Fixed Microphone in a Circular Pulse-Tube

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (6)

This study presents a method for measuring the normal incidence sound absorption coefficient of acoustical materials by separating the incident and fi......

JIF:1.04

Study on Natural Frequencies of Transverse Free Vibration of Functionally Graded Axis Beams by the Differential Quadrature Method

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (6)

Functionally gradient materials with special mechanical characteristics are more and more widely used in engineering. The functionally graded beam is ......

JIF:1.04

Compressive Spherical Beamforming for Acoustic Source Identification

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (6)

This study examines a compressive spherical beamforming (CSB) method, using a rigid spherical microphone array to localize and quantify the acoustic c......

JIF:1.04

Comparative Analysis of Different Types of Sources on the Performance of Rigid Noise Barriers on Rigid Ground Using Analytical Formulae, a 2.5-D BEM Method and Scale Modelling Tests

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (6)

With the aim of a perfect source model to simulate railway traffic noise within a shorter computational time, this paper compares coherent line, incoh......

JIF:1.04

Suppression of Lateral Vibration in Rectangular Ultrasonic Plastic Soldering Tool Based on Phononic Crystal Structure

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (6)

In this paper, the design of large-size rectangular ultrasonic plastic soldering system is studied by using the band gap theory of phononic crystal an......

JIF:1.04

Study on the Variation of Infrasound Intensity in Different Frequency Bands before Coal Sample Failure

期刊: ACTA ACUSTICA UNITED WITH ACUSTICA, 2019; 105 (2)

In order to predict damage of coal samples based on the characteristics of infrasonic wave, acoustic wave test in uniaxial loading process was carried......

JIF:1.04

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