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A Lightweight Multilayer Dissipative Material with High Acoustic Performance 3M
- Format:
- Book
- Conference/Event
- Author/Creator:
- Gan, KimTong, author.
- Conference Name:
- Noise and Vibration Conference & Exhibition (2023-05-15 : Grand Rapids, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2023
- Summary:
- A multilayer acoustic treatment constructed of fibrous acoustic absorption material combined with dissipative acoustic material achieves a low profile and is lightweight and multi-functional, with properties that are desirable for NVH (noise, vibration, and harshness) treatments. The dissipative material consists of microfibers and acoustically active particles; this material was introduced in the last SAE NVH conference: A Novel Dissipative Acoustic Material [1].In this paper, the acoustic performance of the multilayer treatment was evaluated by using random incidence absorption and transmission loss measurements, as well as in-vehicle experiments. Absorption and transmission loss were additionally modeled using the transmission matrix method (TMM). In the in-vehicle test, an OEM wheelhouse liner with Trim, for an SUV, was evaluated utilizing this new multilayer 3M treatment
- Notes:
- Vendor supplied data
- Publisher Number:
- 2023-01-1083
- Access Restriction:
- Restricted for use by site license
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