METAPOROUS STRUCTURE DESIGN FOR ELECTRIC TRAIN NOISE CONTROL IN A TUNNEL
<p align="justify"> Railway noise covers low to high frequencies. The train tunnel area has a high noise, so using certain materials is necessary. In general, sound absorption material is used to absorb noise. However, the material must be a quarter wavelength for the thickness to...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/73150 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |