STUDY OF NOISE ABSORPTION CHARACTERISTICS FOR CURRENT BUILDING MATERIALS APPLIED IN INDUSTRIAL AND OFFICE ROOMS

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ALIABADI MOHSEN; GOLMOHAMMADI ROSTAM; OLIAEI MOHAMMAD; SHAHIDI REZA

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Journal: JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING Year:2016 | Volume:3 | Issue:3 Page(s): 32-39

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Information Journal Paper

Title

STUDY OF NOISE ABSORPTION CHARACTERISTICS FOR CURRENT BUILDING MATERIALS APPLIED IN INDUSTRIAL AND OFFICE ROOMS

Author(s)

ALIABADI MOHSEN | GOLMOHAMMADI ROSTAM | OLIAEI MOHAMMAD | SHAHIDI REZA | Issue Writer Certificate

Keywords

SOUND ABSORPTIONQ1

COEFFICIENTSQ2

ACOUSTIC MATERIALQ2

BUILDING MATERIALQ1

IMPEDANCE TUBEQ1

Abstract

Introduction: In Iran, there is a lack of reliable data on acoustic characteristics of BUILDING MATERIALs applied in offices and industrial rooms. This study aimed at investigating noise absorption characteristics for current building and acoustics materials and provided an acoustic database.Methods: In this cross sectional study, a minimum of 60 building and ACOUSTIC MATERIALs were tested in the acoustics laboratory located at the school of health. Measuring the absorption coefficient was performed using the IMPEDANCE TUBE (SW60, BSWA) along with 1.4" Microphone (MPA416) and power amplifier (PA50) in a frequency range from 125 to 6300 Hz, according to ISO10534-2. The data was analyzed using Excel 2013 software.Results: The SOUND ABSORPTION COEFFICIENTS for different types of materials were presented based on octave band. The results showed that an increase of SOUND ABSORPTIONs with a rise in the thickness of the chemical foams. The highest absorptions were observed at medium and high frequencies. However, the impact of materials density on the increase of SOUND ABSORPTION was inconsiderable compared with materials thickness. Regarding SOUND ABSORPTION, the polyurethane foams have better performance than the polyethylene foams.Conclusions: Based on the obtained acoustics database, acoustics professionals could conduct more reliable evaluation about acoustic condition of residential, industrial, and office rooms in design and operation phases. The results confirmed that material thickness is one of the main features affecting SOUND ABSORPTION, especially for high efficiency absorbents like chemical foam.

Cites

Efficiency Assessment of Acoustic Cabin for Providing Acoustic Comfort in Turbine Unit of a Thermal Power Plant

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APA: Copy

ALIABADI, MOHSEN, GOLMOHAMMADI, ROSTAM, OLIAEI, MOHAMMAD, & SHAHIDI, REZA. (2016). STUDY OF NOISE ABSORPTION CHARACTERISTICS FOR CURRENT BUILDING MATERIALS APPLIED IN INDUSTRIAL AND OFFICE ROOMS. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, 3(3), 32-39. SID. https://sid.ir/paper/253522/en

Vancouver: Copy

ALIABADI MOHSEN, GOLMOHAMMADI ROSTAM, OLIAEI MOHAMMAD, SHAHIDI REZA. STUDY OF NOISE ABSORPTION CHARACTERISTICS FOR CURRENT BUILDING MATERIALS APPLIED IN INDUSTRIAL AND OFFICE ROOMS. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING[Internet]. 2016;3(3):32-39. Available from: https://sid.ir/paper/253522/en

IEEE: Copy

MOHSEN ALIABADI, ROSTAM GOLMOHAMMADI, MOHAMMAD OLIAEI, and REZA SHAHIDI, “STUDY OF NOISE ABSORPTION CHARACTERISTICS FOR CURRENT BUILDING MATERIALS APPLIED IN INDUSTRIAL AND OFFICE ROOMS,” JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, vol. 3, no. 3, pp. 32–39, 2016, [Online]. Available: https://sid.ir/paper/253522/en

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