OTOMOTİVDE KULLANILAN ELYAFLI MALZEMELERİN AKUSTİK ÖZELLİKLERİNİN İNCELENMESİ

Akustik konfor faktörleri günümüz müşterilerinin otomobil tercihlerinde önemli bir rol oynamaktadır. Ana otomotiv üreticileri yüksek yalıtım kabiliyeti olan ancak düşük maliyetli ürünleri tercih etmektedirler. Bu nedenle, izolatör tasarımcıları ve üreticileri sürekli olarak kendilerini geliştirmelidir. Elektrikli araçların yaygın kullanımı sonucunda, akustik konfor beklentileri artmıştır. Bu çalışmanın amacı, taşıtlarda kullanılan yalıtım malzemelerinin ses iletim kaybı ve ses emme katsayısını elde ederek yorumlamaktır. Yalıtım malzemeleri farklı içerik, ağırlık ve kalınlıklarda seçilmiştir. Ağırlık, ses iletim kaybı, ses emme katsayısı arasındaki ilişki incelenmiştir.

Anahtar Kelimeler:

Ses emme katsayısı, Ses iletim kaybı, Empedans tüpü, Elyaf malzemeler

Investigation of Acoustic Properties of Fibrous Materials Used in Automotive

Acoustic comfort factors play an important role in automobile preferences of today’s customer. The main automotive manufacturers also have a basic desire. They prefer products with strong insulation ability but low cost. For this reason, insulator designers and manufacturers must be in continuous development. As a result of the widespread use of electric vehicles, expectations for acoustic comfort have been increased. Purpose of this study, to obtain sound transmission loss and sound absorption coefficient of insulation materials used in vehicles. These insulating materials will be selected in different contents, weights and thicknesses. Relation between weight, sound transmission loss, sound absorption coefficient will be investigated. In this way, this study will be a main information source for acoustic studies in the automotive sector.

Keywords:

Sound absorption coefficient, Sound transmission loss, Impedance tube, Fiber materials,

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