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Artykuły w czasopismach na temat „Sound insulation”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Sentyakov, B. A., and A. A. Silin. "The Study of Sound-Insulating Properties of Fibrous Materials." Occupational Safety in Industry, no. 8 (August 2024): 18–22. http://dx.doi.org/10.24000/0409-2961-2024-8-18-22.

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The results of an experimental study of sound-insulating properties of fibrous materials have been provided. A simplified methodology to measure the air noise insulation of fibrous materials has been proposed. An installation to implement the methodology includes a small-size chamber sound-insulated from the environment, a sound generator, and a sound level meter. Dependencies of air noise insulation with fibrous materials on sound frequency, density, and thickness of a sound-insulating material have been obtained. The calculation of the air noise insulation index by experimentally obtained fr

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2

Lu, Xiao Dong, Jin Hong Wang, and Wei Ling Wang. "Windows Sound Insulation Research with Different Glass." Applied Mechanics and Materials 584-586 (July 2014): 1868–71. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.1868.

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As the weak area of the residence envelope’s, window’s sound insulation is very important in the way of indoor quiet assurance. Base on the road traffic noise as sound sources, the sound insulation comparative studies is made between the insulating laminated glass and double insulated glass. The article choose two similar rooms near the Gaoerji road in Dalian assembled with the different windows, one room’s window was assembled with the insulating laminated glasses, and the other was assembled with double insulated glasses. Research shows that sound insulation effect of the wall with insulatin

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3

Geng, Sen Lin, and Fang Ju Li. "Design of the Sound Insulation Chamber for Stored Grain Insect Sound Detection." Applied Mechanics and Materials 220-223 (November 2012): 1598–601. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.1598.

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A six cubic meter sound insulation chamber is designed based on the principle of double-layer wall sound insulating and porous absorption with the characteristics of stored grain insect action sound. With 3 mm thick plywood as wall material, double - layer spacing 0.08 m, the outer wall being bored, each aperture 1mm, average spacing 1.5 cm, and the hard sound-absorbing material being filled in the two layers, a quasi - double layer perforated structure is built. The ambient noise is uniformly insulated between 125Hz and 2000Hz, and the average sound insulation is about 22dB, and it meets requ

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4

Ribeiro, Eduardo Silveira, Ronan Adler Tavella, Guilherme Senna dos Santos, Felipe da Silva Figueira та Jorge Alberto Vieira Costa. "Thermal and acoustic insulation boards from microalgae biomass, poly-β-hydroxybutyrate and glass wool". Research, Society and Development 9, № 4 (2020): e143942995. http://dx.doi.org/10.33448/rsd-v9i4.2995.

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Among the many functions that a building material needs to have, its insulation functions stand out. This type of materials acts by decreasing the conduction of heat/sound in to the environment. In this context, bio-insulations have been receiving an increasing attention due to its performance and the use of sustainable/naturals insulation materials. This study was conducted to evaluate the thermal and acoustic performance of bio-based boards made from the biomass of Spirulina, bacterial poly-β-hydroxybutyrate (PHB), and glass wool. The boards were manufactured under heated compression in diff

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5

Sekimoto, Masami. "Sound insulation." Journal of the Acoustical Society of America 85, no. 4 (1989): 1806. http://dx.doi.org/10.1121/1.397943.

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Hopkins, Carl, and Heinrich A. Metzen. "Sound Insulation." Noise Control Engineering Journal 57, no. 6 (2009): 620. http://dx.doi.org/10.3397/1.3292945.

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Mizukoshi, Fumiya, and Hidetoshi Takahashi. "Acoustic notch filtering earmuff utilizing Helmholtz resonator arrays." PLOS ONE 16, no. 10 (2021): e0258842. http://dx.doi.org/10.1371/journal.pone.0258842.

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In recent years, noisy bustling environments have created situations in which earmuffs must soundproof only specific noise while transmitting significant sounds, such as voices, for work safety and efficiency. Two sound insulation technologies have been utilized: passive noise control (PNC) and active noise control (ANC). However, PNC is incapable of insulating selective frequencies of noise, and ANC is limited to low-frequency sounds. Thus, it has been difficult for traditional earmuffs to cancel out only high-frequency noise that people feel uncomfortable hearing. Here, we propose an acousti

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8

MAGO, Jonty, Sunali JAISH, Ashutosh NEGI, J. Stuart BOLTON, and Shahab FATIMA. "Investigating the acoustic performance of sustainable composites utilizing recycled polypropylene and denim shoddy: fabrication, characterization, and theoretical Modelling." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 7 (2024): 4017–28. http://dx.doi.org/10.3397/in_2024_3403.

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Addressing the urgent need for sustainable materials, this study investigates the development of eco-friendly composites using Recycled Polypropylene (RPP) and Denim Shoddy (DS) for sound insulation. Two configurations were fabricated through compression molding: one with only RPP and the other incorporating a DS interlayer, repurposing waste materials such as post-consumer cosmetic containers and denim textile waste. The investigation evaluated the composites' density and sound transmission loss (STL). Theoretical calculations of STL in diffuse fields across various angles assessed the compos

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9

Bliūdžius, Raimondas, Kęstutis Miškinis, Vincent Buhagiar, and Karolis Banionis. "Sound Insulation of Façade Element with Triple IGU." Buildings 12, no. 8 (2022): 1239. http://dx.doi.org/10.3390/buildings12081239.

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Sound insulation design for structural glazed façade is an important task in environmental noise control, as increased continuously repeated noise is a significant factor impacting on people’s well-being and is associated with a negative impact on their health. For façades, in addition to sound insulation, requirements for safe use and high energy efficiency are also usually raised, which partly determine the composition of the glazing: triple insulating glass unit (IGU) with inner safety laminated glass sheet. Therefore, the aim of the research was to investigate the structural sealed façade

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10

Fothergill, L. C., and T. Carman. "Insulation — impact sound." Batiment International, Building Research and Practice 18, no. 4 (1990): 245–49. http://dx.doi.org/10.1080/01823329008727048.

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11

Albin, Donald C. "Sound insulation system." Journal of the Acoustical Society of America 120, no. 3 (2006): 1169. http://dx.doi.org/10.1121/1.2355970.

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12

Yang, Xiaocui, Shuai Tang, Xinmin Shen, and Wenqiang Peng. "Research on the Sound Insulation Performance of Composite Rubber Reinforced with Hollow Glass Microsphere Based on Acoustic Finite Element Simulation." Polymers 15, no. 3 (2023): 611. http://dx.doi.org/10.3390/polym15030611.

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The composite rubber reinforced with hollow glass microsphere (HGM) was a promising composite material for noise reduction, and its sound insulation mechanism was studied based on an acoustic finite element simulation to gain the appropriate parameter with certain constraint conditions. The built simulation model included the air domain, polymer domain and inorganic particles domain. The sound insulation mechanism of the composite material was investigated through distributions of the sound pressure and sound pressure level. The influences of the parameters on the sound transmission loss (STL)

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13

Kylliäinen, Mikko, and Jesse Lietzén. "Association between hearing threshold and low-frequency walking sounds on concrete floors." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 4 (2023): 3063–70. http://dx.doi.org/10.3397/in_2022_0430.

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The sufficient frequency range to be measured for the rating of impact sound insulation of floors has been a relevant research question since the 1960's when the lower limit of the measured frequency range was set at 100 Hz. It has been long recognized that walking sounds at frequencies lower than 100 Hz might have a significant effect on the experienced impact sound insulation of floors. Recently, it has been suggested that the frequency range to be measured for the rating of impact sound insulation should be enlarged down to 20 Hz. This suggestion is based on studies concerning wooden buildi

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14

Zach, Jiri, Jitka Peterková, Vít Petranek, Jana Kosíková, and Azra Korjenic. "Investigation of Thermal Insulation Materials Based on Easy Renewable Row Materials from Agriculture." Advanced Materials Research 335-336 (September 2011): 1412–17. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.1412.

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Production of building materials is mostly energy consuming. In the sphere of insulation materials we mostly see rock wool based materials or foam-plastic materials whose production process is demanding from material aspect and raw materials aspect as well. At present the demand for thermal insulation materials has been growing globally. The thermal insulation materials form integral part of all constructions in civil engineering. The materials mainly fulfill the thermal insulating functions and also the sound-insulating one. The majority of thermal insulation materials are able to fulfill bot

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15

Shi, Geman, Xiaoxun Wu, Renjie Jiang, and Shande Li. "A Particle Reinforced Gradient Honeycomb Sandwich Panel for Broadband Sound Insulation." Mathematics 11, no. 3 (2023): 502. http://dx.doi.org/10.3390/math11030502.

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The sound insulation capacity of traditional sound insulation boards is limited by the law of mass, and any improvement in sound insulation capacity contradicts the demand for light weight. In order to overcome this shortcoming, a lightweight particle reinforced gradient honeycomb sandwich panel is proposed to achieve lightweight sound insulation. The sound insulation of the particle reinforced honeycomb sandwich panel is calculated based on the transfer matrix method. The accuracy of the theory is verified through finite element simulation, and the influence of material and structural paramet

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16

Dmytro, Bida, and Didkovskyi Vitalii. "Descriptors of sound insulation of building structures in residential buildings in Ukraine and Europe." Technology audit and production reserves 5, no. 2(67) (2022): 24–29. https://doi.org/10.15587/2706-5448.2022.265816.

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<em>The object of the research is the descriptors (indices/parameters) of sound insulation of construction structures of residential buildings.</em> <em>The work presents a brief overview of modern generally accepted construction technologies in Eastern Europe. The most common sources of noise and the consequences of their impact on people's health and life have been studied. An analysis of the levels of airborne sound insulation indicators of building structures in European countries and Ukraine was carried out. Partitions for standard types of housing (private houses, townhouses, multi-s

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17

Jung, Jae-Deok, Suk-Yoon Hong, Jee-Hun Song, and Hyun-Wung Kwon. "Predictions of airborne noise between unit cabins by developing a cavity transfer matrix." Noise Control Engineering Journal 69, no. 3 (2021): 229–42. http://dx.doi.org/10.3397/1/376923.

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The unit cabin has been used to construct internal ship space for improved efficiency and to reduce budgetary costs in shipbuilding. Because the cavity is placed between unit cabins, the noise of one room is transmitted through the sound insulating panel, the cavity, and the opposite sound-insulating panel. In this study, by developing a transfer matrix of the cavity between structures, airborne noise between unit cabins was predicted. A sandwich panel, which is usually used in ships, was employed to construct a double panel, and the sound insulation performance was confirmed by changing the t

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18

Yang, Ying. "Research on Aluminum Alloy Foam Sound Insulation Characteristics of New Decorative Building Materials." Applied Mechanics and Materials 380-384 (August 2013): 4219–23. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.4219.

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Due to its unique physical sound insulation performance, aluminum alloy foam has become one of the new decorative building materials. Research on its sound insulation performance has also become a hot topic of materials science and other fields. Firstly, the paper analyzes the acoustic characteristics and the analysis indicators of sound insulation materials through the analysis of aluminum alloy foam characteristics and sound insulation mechanism. It finally concludes impact factor of sound insulation based on the analysis model of physical characteristics of aluminum alloy foam and sound ins

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19

Shin, Hye Kyung, Kyoung Woo Kim, A. Yeong Jeong, and Kwan Seop Yang. "Analysis of Sound Insulation Performance of Reinforce Concrete Walls between Households According to Wall Thickness Criteria in Apartments." Applied Mechanics and Materials 873 (November 2017): 237–42. http://dx.doi.org/10.4028/www.scientific.net/amm.873.237.

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Sound insulation between households is properly ensured to provide a quiet residential environment in apartments. The legal requirements for sound insulation in apartments in Korea are set to meet the wall’s minimum thickness or sound insulation performance. When construction companies choose the walls that satisfy thethickness in the standards of boundary walls between households, it is difficult to know the sound insulation performance. In this study, the sound insulation performance of reinforced concrete walls is predicted according to the wall thickness criteria and analyzed through field

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20

Wei, Shang You, Xian Feng Huang, Zhi Xiang Zhuang, and Jun Xin Lan. "Research on the Prediction of Impact Sound Insulation to a Homogeneous Wall." Applied Mechanics and Materials 744-746 (March 2015): 1593–96. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.1593.

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In this paper, a theoretical model to evaluate impact sound transmission through a homogeneous wall is proposed. The model which is based on the Statistical Energy Analysis framework exhibits a system with room-wall-room. For the purpose to explore the mechanism of impact sound transmission through a wall, the impact sound reduction index between two rooms are predicted. Meanwhile, the variation of impact sound reduction index with the walls properties are also taken into account. The results reveal that the density, elastic modulus and thickness of a homogeneous wall have diverse effects on i

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21

Zhang, Yumei, Jie Zhang, Ye Li, et al. "Research Progress on Thin-Walled Sound Insulation Metamaterial Structures." Acoustics 6, no. 2 (2024): 298–330. http://dx.doi.org/10.3390/acoustics6020016.

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Acoustic metamaterials (AMs) composed of periodic artificial structures have extraordinary sound wave manipulation capabilities compared with traditional acoustic materials, and they have attracted widespread research attention. The sound insulation performance of thin-walled structures commonly used in engineering applications with restricted space, for example, vehicles’ body structures, and the latest studies on the sound insulation of thin-walled metamaterial structures, are comprehensively discussed in this paper. First, the definition and math law of sound insulation are introduced, alon

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22

Nakagawa, Kiyoshi. "Sound Insulation Performance of Building Structures and Materials for Sound Insulation." Seikei-Kakou 26, no. 2 (2014): 65–69. http://dx.doi.org/10.4325/seikeikakou.26.65.

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23

KUROSAWA, Yoshio, Takao YAMAGUCHI, Naoyuki NAKAIZUMI, and Manabu TAKAHASHI. "Effect of sound insulation by adhesion of laminated sound insulation materials." Transactions of the JSME (in Japanese) 82, no. 837 (2016): 15–00664. http://dx.doi.org/10.1299/transjsme.15-00664.

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24

Jiang, Liang, Yi Wang Bao, and Xiao Gen Liu. "Structural-Function Integration Optimization of Vacuum Insulation Panel in Construction Area." Key Engineering Materials 591 (November 2013): 329–33. http://dx.doi.org/10.4028/www.scientific.net/kem.591.329.

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Vacuum insulation panel is the one type of the insulation materials. The characteristics of this material are not only low thermal conductivity, good sound insulation, energy efficient, environmental protection but also with no ODS material. However, the inadequate mechanical properties of this material limit its application of insulation in construction . Thus, this research proposed the uses of the connection of structure and function of vacuum insulation panel in construction , and tested against its Sound Insulation Property. new construction sound insulation standards was adopted for eval

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25

Zhang, Xiaoyu, and Xiamin Hu. "Comparison between Chinese Code and Eurocode on the impact sound insulation requirements of the residential floor." MATEC Web of Conferences 275 (2019): 05001. http://dx.doi.org/10.1051/matecconf/201927505001.

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At present, the impact sound insulation performance of the residential floor attracts increasing attention, which is a critical index to evaluate the physical performance of the residential building. Improving the sound insulation performance is an effective measure to improve the living quality and solve the contradictions between neighbors. Therefore, many sound insulation standards have been established to guide the design of building sound insulation. In this paper, comparisons between Chinese code and Eurocode on the impact sound insulation requirements of the residential floor were prese

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26

Murzinov, Valery, Pavel Murzinov, and Irina Ivanovna. "COMPARATIVE ANALYSIS OF SOUND SUPRESSING LIGHTWEIGHT STRUCTURED PANELS AND MODERN NOISE PROTECTION MEANS." Akustika 32 (March 1, 2019): 30–35. http://dx.doi.org/10.36336/akustika20193230.

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This article provides an overview of modern soundproof materials and structures used for acoustic insulation. Presently, we can find plenty of such noise insulation and sound absorption materials. One of the popular means to reduce noise and control sound today is the acoustic panels able to suppress and absorb different sounds. The article also analyses the effectiveness of acoustic and sound protection materials used in the industrial sphere. The comparative analysis of the sound protection and absorption effectiveness is carried out using sound absorption coefficients. It also presents the

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27

Wang, Ruiqian, Dan Yao, Jie Zhang, Xinbiao Xiao, and Xuesong Jin. "Effect of the Laying Order of Core Layer Materials on the Sound-Insulation Performance of High-Speed Train Carbody." Materials 16, no. 10 (2023): 3862. http://dx.doi.org/10.3390/ma16103862.

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The design of sound-insulation schemes requires the development of new materials and structures while also paying attention to their laying order. If the sound-insulation performance of the whole structure can be improved by simply changing the laying order of materials or structures, it will bring great advantages to the implementation of the scheme and cost control. This paper studies this problem. First, taking a simple sandwich composite plate as an example, a sound-insulation prediction model for composite structures was established. The influence of different material laying schemes on t

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28

Kandah, Munther, and Awni Al-Otoom. "Production of Thermal and Sound Insulators from Used Automobile Tires' Fiber." Jordan Journal of Civil Engineering 17, no. 2 (2023): 185–93. http://dx.doi.org/10.14525/jjce.v17i2.02.

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One of the problematic issues with the recycling of used automobile tires is the production of unwanted fiber waste. This waste is considered as a major burden and as an industrial waste which constitutes an extra cost to industries. In this project, thermal and noise insulators were produced from the fiber waste of automobiles. The insulation materials were used in insulating different types of rooms to study their thermal and noise insulation effectiveness (Caravan rooms and brick rooms). Results were also compared to identical rooms without insulation. Results showed that the thermal proper

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29

Wang, Ruiqian, Dan Yao, Jie Zhang, Xinbiao Xiao, and Ziyan Xu. "Identification of Key Factors Influencing Sound Insulation Performance of High-Speed Train Composite Floor Based on Machine Learning." Acoustics 6, no. 1 (2023): 1–17. http://dx.doi.org/10.3390/acoustics6010001.

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The body of a high-speed train is a composite structure composed of different materials and structures. This makes the design of a noise-reduction scheme for a car body very complex. Therefore, it is important to clarify the key factors influencing sound insulation in the composite structure of a car body. This study uses machine learning to evaluate the key factors influencing the sound insulation performance of the composite floor of a high-speed train. First, a comprehensive feature database is constructed using sound insulation test results from a large number of samples obtained from labo

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Zhang, Shenghai. "Aircraft Panel Sound Insulation Testing Techniques and Optimization of Sound Insulation Characteristics." Journal of Physics: Conference Series 2457, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1742-6596/2457/1/012012.

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Abstract As the safety of aircraft increases, aircraft comfort is becoming an increasing concern, with aircraft cabin noise being one of the main factors affecting aircraft comfort. To ensure the comfort of the aircraft, it is, therefore, necessary to reduce cabin noise and to ensure that its volume is within an appropriate range. The sound insulation performance of aircraft panels is a key indicator in determining aircraft cabin noise. Based on experimental sound insulation testing techniques, this paper performs tests on the sound insulation of typical panel constructions. Then possible meas

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31

Kim, Sin-Tae, Hyun-Min Cho, and Myung-Jun Kim. "Effects of Wall-to-Wall Supported Ceilings on Impact Sound Insulation for Use in Residential Buildings." Buildings 11, no. 12 (2021): 587. http://dx.doi.org/10.3390/buildings11120587.

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In Korean residential buildings, floor impact sounds were reduced over the past few decades mainly through a floating floor system. However, ceiling constructions for impact sound reduction have not been applied actively because of a lack of useful information. This study focuses on the effects of wall-to-wall supported ceilings (WSC), which are designed with construction discontinuities between concrete slabs and ceilings, and the damping caused by porous absorbers for impact sound insulation. To examine the impact sound insulation according to ceiling conditions, measurements were performed

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32

Huang, Yikang, Yuchao Ma, Fugui Sun, and Wen Qi. "The engineering modification of a double-wall plate sound insulation algorithm." Journal of Physics: Conference Series 2939, no. 1 (2025): 012008. https://doi.org/10.1088/1742-6596/2939/1/012008.

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Abstract This paper introduces the impedance analysis method to theoretically refine the conventional sound insulation theory of double-wall plates. It proposes an enhanced model for calculating sound insulation performance, focusing specifically on double-wall aluminum plates as the research object to measure the STL. The results indicate that the improved model significantly enhances the accuracy of sound insulation predictions across various frequency bands, and more accurately represents the actual sound insulation performance, which lays a foundation for the optimized design of future dou

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Anuja, N., N. Amutha Priya, P. Jeganmurugan, and A. Sree Rameswari. "Investigation on the Acoustic Behaviour of Perlite in Concrete." IOP Conference Series: Earth and Environmental Science 1086, no. 1 (2022): 012042. http://dx.doi.org/10.1088/1755-1315/1086/1/012042.

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Abstract Concrete, an effective rigid material that acts as a barrier to restrict sound waves in buildings. This research study is mainly based on the experimental testing on the acoustic properties that can be induced in concrete using perlite material. When sound passes through the concrete having lower density, it gets dispersed and the decibel of sound is decreased, thus it acts as a better sound insulator. Concrete specimens along with the addition of perlite are tested for their strength and optimum dosage of perlite to be added in order to have a improved acoustic behaviour. It is ident

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NAKANO, Sachito, Sunao TOMITA, Shoko ARITA, Kento SHIMANUKI, and Umemoto KAZUHIKO. "Comparison of sound insulation performance between closed-cell foam and automotive carpet." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 4 (2024): 7329–38. http://dx.doi.org/10.3397/in_2024_3949.

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In developing sound insulation materials for automobiles, multiple sound insulation and sound absorption materials are laminated to achieve high performance. Generally, steel sheets, needle felts, and carpets are used to create sound insulation properties. In a luxury car, multiple layers with sound absorption and sound insulation properties are placed on the carpet to add higher sound insulation properties, but this increases the mass of the carpet. To solve this problem, we are investigating the the potential to realize both lightweight and high sound insulation properties using closed-cell

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McCullough, Francis P. "Sound and thermal insulation." Journal of the Acoustical Society of America 88, no. 2 (1990): 1194. http://dx.doi.org/10.1121/1.399780.

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Schroer, Daniel R., and Jean‐Philippe Deblander. "IMMOTUS*, sound insulation system." Journal of the Acoustical Society of America 110, no. 5 (2001): 2749. http://dx.doi.org/10.1121/1.4777563.

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Scholl, Werner. "Book Review: Sound Insulation." Building Acoustics 16, no. 1 (2009): 101–3. http://dx.doi.org/10.1260/135101009788066528.

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Wester, Eric C., Xavier Brémaud, and Bryan Smith. "Meta-Material Sound Insulation." Building Acoustics 16, no. 1 (2009): 21–30. http://dx.doi.org/10.1260/135101009788066555.

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Fothergill, L. C. "Sound insulation between dwellings." Applied Acoustics 24, no. 4 (1988): 321–34. http://dx.doi.org/10.1016/0003-682x(88)90087-4.

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Ju, Zehui, Qian He, Haiyang Zhang, et al. "Calculation of Sound Insulation for Hybrid CLT Fabricated with Lumber and LVL and comparison with experimental data." MATEC Web of Conferences 275 (2019): 01012. http://dx.doi.org/10.1051/matecconf/201927501012.

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The insulated predictions were carried out for LVL, CLT and HCLT in order to evaluate their sound properties, in which the theoretical value of sound insulation was predicted by regarding the substances in wood cell wall as equivalence to specific medium based on Biot model, and the wood anatomical characteristics, such as the length and diameter of tracheid, diameter of pit, and porosity, were taken into account for determining the equivalent density and bulk modulus of elasticity of wood cell wall. By comparing the tested and predicted values of sound insulation, the conclusion were drawn as

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41

YU, Yonghua, Zhi-Han LI, and Weichun HUANG. "Acoustic metamaterials of double-layer structure for sound insulation." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 11 (2024): 100–104. http://dx.doi.org/10.3397/in_2024_1628.

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Insulation against air-borne sound is one of the earliest research fields of acoustic metamaterials. The sound insulation of the conventional sound insulation structure is generally limited by the law of mass. When the density of the structural surface is doubled, the low-frequency sound insulation is only increased by 6dB.In our report, we introduce a double-layer resonator-type acoustic metamaterial, which consists of two honeycomb sandwich panels, two perforated panels, and a thin air layer. Firstly, for two singer -layer resonator-type acoustic metamaterial, different sound absorption freq

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Wu, Xian, TengLong Jiang, JianWang Shao, GuoMing Deng, and Meng Zhao. "Influence of automobile sealing rib structure on sound insulation performance and optimization of section parameters." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 1 (2021): 5769–79. http://dx.doi.org/10.3397/in-2021-3289.

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The door sealing strip plays an important role in the sound insulation of the car, and its sound insulation performance has a great influence on the sound quality and comfort of the vehicle. The sound insulation performance of the seal can be analyzed by Finite Element-Statistic Energy Analysismodel. There are great differences in the cross-section of the door sealing strip system at different positions, which leads to the difference of sound insulation. Therefore, it is very important to study the sound insulation performance of the sealing strip by studying the parameters of different sectio

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Min, Xinghua, Ming Chen, and Ting Qu. "Sound Insulation Performance Analysis of New Energy - saving Lightweight Wooden Wall." IOP Conference Series: Earth and Environmental Science 966, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1755-1315/966/1/012007.

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Abstract In this paper, a kind of light energy-saving prefabricated building high sound insulation wood wall is designed, and its sound insulation performance is experimentally studied in practical housing applications. Firstly, an energy-saving wood wall is designed on the basis of a sound insulation calculation with weighted sound transmission loss of 44.0 dB. Secondly, the energy-saving wood wall is implemented in practical house applications and the corresponding sound insulation of the wall is measured for evaluation. Measurement results show that the actual weighted sound transmission lo

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Huang, Xian Feng, and Yi Min Lu. "Sound Insulation Inversion to an Attached Room in Buildings." Applied Mechanics and Materials 209-211 (October 2012): 267–71. http://dx.doi.org/10.4028/www.scientific.net/amm.209-211.267.

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With respect to the higher sound insulation need of the buildings, the attached room may be considered to adopt. A calculation model is applied to predict the sound insulation of a specified attached room. Realistic sound insulation inversion, furthermore, is consistent with the procedure of engineering practice. By the artificial immune algorithm (AIA), the inverse sound insulation prediction model is developed, which adjust the insulation of each element (wall, door and window etc.) and sound absorption of the attached room. Under agreeing with the reasonable configuration of an attached bui

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Lian, Xiao, Shengsheng Wang, Maolin Liu, et al. "Study on low frequency sound insulation characteristic of thin acoustic black hole." Modern Physics Letters B 35, no. 12 (2021): 2150198. http://dx.doi.org/10.1142/s0217984921501980.

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We use numerical and experimental methods to investigate the low frequency sound insulation characteristic of designed thin acoustic black hole (ABH). The numerical results show that the sound energy focusing effect plays a leading role in low frequency sound insulation of designed ABH, and the reflection at the edge of ABH is the main reason of sound insulation in medium and high frequencies. Experimental results display that the Sound Transmission Loss (STL) of the designed ABH is higher than 30 dB below 700 Hz, which shows that the isolated acoustic waves are more than 95%. The low frequenc

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Fediuk, Roman, Mugahed Amran, Nikolai Vatin, Yuriy Vasilev, Valery Lesovik, and Togay Ozbakkaloglu. "Acoustic Properties of Innovative Concretes: A Review." Materials 14, no. 2 (2021): 398. http://dx.doi.org/10.3390/ma14020398.

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Concrete is the most common building material; therefore, when designing structures, it is obligatory to consider all structural parameters and design characteristics such as acoustic properties. In particular, this is to ensure comfortable living conditions for people in residential premises, including acoustic comfort. Different types of concrete behave differently as a sound conductor; especially dense mixtures are superior sound reflectors, and light ones are sound absorbers. It is found that the level of sound reflection in modified concrete is highly dependent on the type of aggregates,

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Kersh, Volodimir, Andriy Kolesnikov, Mikola Hlitsov, and Sergіi Gedulyan. "Thermal and Acoustic Insulating Gypsum Composite Material with Improved Water Resistance." Tehnički glasnik 14, no. 2 (2020): 89–93. http://dx.doi.org/10.31803/tg-20181024091245.

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The article discusses methods for obtaining building heat and sound insulating composite material based on gypsum with high resistance to water. An additional characteristic is considered - the water resistance index, in which the role of material strength in the wet state is enhanced. The proposed characteristic is used to optimize the heat and sound insulating composition based on gypsum. The material contains matrix gypsum-cement-ash binder and a mixture of aggregates. The result of the planned experiment shows that the water resistance index more adequately reflects the strength of the com

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Kaise, Tomoaki, and Satoshi Inoue. "Experimental study on the widening of the sound isolation characteristics of light weight sound isolation structure using inflated membrane with air." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 2 (2023): 6760–70. http://dx.doi.org/10.3397/in_2023_1006.

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Light sound insulation structure by using membrane and air pressure (hereinafter refer to as MSI), which consists of meshes and pressurized membranes, exhibits varying sound insulation characteristics and can be effective for the isolation of low-frequency sound even at a lightweight. However, MSI is ineffective for broadband noise owing to the limited valid frequency range of its sound insulation characteristics. Additionally, the stiffness of the frame of MSI, which constrains the meshes and membrane, must be enhanced as the sound insulation performance in the stiffness-law region depends on

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Bader Eddin, Mohamad, Jonathan M. Broyles, Sylvain Ménard, Delphine Bard, and Jean-Luc Kouyoumji. "A comparison of numerical approaches to quantity sound insulation of lightweight wooden floor structures." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 4 (2023): 3141–52. http://dx.doi.org/10.3397/in_2022_0440.

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Quantifying air-borne and structure-borne sound insulation is an important design consideration for the indoor comfort of a building. Although sound insulation performance is commonly measured experimentally, numerical methods can have time-saving and economic benefits. Further, numerical methods can be incorporated within building simulations to provide an estimate of the acoustic environment. In response, this paper evaluates three different computational approaches for quantifying sound insulation in one-third octave bands (50-5000 Hz) of a lightweight floor including: an artificial neural

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de la Prida, Daniel, María Ángeles Navacerrada, María Aguado-Yáñez, Luis Antonio Azpicueta-Ruiz, Antonio Pedrero, and David Caballol. "The Relevance of the Low-Frequency Sound Insulation of Window Elements of Façades on the Perception of Urban-Type Sounds." Buildings 13, no. 10 (2023): 2561. http://dx.doi.org/10.3390/buildings13102561.

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The sound insulation of the façade and its elements is a very important characteristic, as it largely determines the degree of sound protection of the building’s interior from external noise sources. This feature, therefore, has a great influence on the acoustic comfort and health of the occupants. For this reason, it is very important that the way in which the sound insulation of the façade is quantified and represented corresponds to the way it is perceived. Although there have long been regulations describing how it should be measured and expressed through Single-Number Quantities (SNQs), t

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