EFFECT OF THE SOUND ABSORBING LININGS ON THE STRUCTURE OF THE ACOUSTIC FIELD IN THE PREMISES
Akmalayev K., Tukibaeva M., Omarov C.
Pagini: 31-39
Publicat: 1 Jan 2012
Vizualizări: 259
Descărcări: 24
Rezumat: The influence of absorbent linings in the form of the structure of the acoustic field in the premises. For the study we examined the surfaces of the wings sound absorption on the basis of decorative acoustic blend of cotton waste production. In this paper we propose a rapid method for estimating the sound pressure level sound absorbing facings flat space frame structures. Thus it is possible to distinguish two moments: pores size in average little bit less millimeter that lays in the field of acoustically effective pores; additives of active substance and PAB serve as the center of crystallizations for hydrating from the grains of plaster double aqueous calcium sulfate knitting crystals dissolved in water. From the sample microstructure it is visible, that crystals of double aqueous calcium sulfate is formed not only in the form of petals and the truncated prisms. Such morphology of crystals assumes higher durability of intercrystal contacts and accordingly forms structure with higher durability of material.
Cuvinte cheie: acoustic field, sound absorption, the relaxation absorption, decorative and acoustic mix
Citează acest articol: Akmalayev K., Tukibaeva M., Omarov C.. EFFECT OF THE SOUND ABSORBING LININGS ON THE STRUCTURE OF THE ACOUSTIC FIELD IN THE PREMISES. Journal of International Scientific Publications: Materials, Methods & Technologies 6, 31-39 (2012). https://www.scientific-publications.net/en/article/1003152/
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