Industrial Noise Control Consultation
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Transcript of Industrial Noise Control Consultation
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Industrial Noise Control & Acoustic Consultation United Can
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Measurement: Semua Mesin On
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Measurement: Mesin Off
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Simmulation: Panel
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Transmission Loss: Panel
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Kesimpulan Simulasi Panel
• STC pada panel chamber memiliki nilai = 30• Di bawah frekuensi 125 Hz mampu memberi redaman sebesar 25 dB• Pada frekuensi 125 Hz – 2000 Hz mampu memberi redaman sebesar
15 dB – 45 dB• Pada frekuensi di atas 2000 Hz mampu memberi redaman lebih besar
dari 35 dB
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Simmulation: Kolom
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Transmission Loss: Kolom
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Kesimpulan Simulasi Kolom
• STC pada panel chamber memiliki nilai = 39• Di bawah frekuensi 31,5 Hz mampu memberi redaman sebesar 40 dB• Pada frekuensi 31,5 Hz – 1000 Hz mampu memberi redaman sebesar
15 dB – 55 dB• Pada frekuensi di atas 1000 Hz mampu memberi redaman lebih besar
dari 50 dB
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Kesimpulan Lanjutan
• Karena adanya lubang padachamber sebagai sirkulasiudara untuk mesin genset, maka akan terjadiperubahan transmission loss.
• Besar bukaan sebesar:• Bidang insulasi = 108 m2• Lubang = 0,95 m2• (0,95/108) = 0,88%
• Perkiraan transmission loss digambarkan pada garismerah pada tabel di samping
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Saran
• Apabila lubang pada chamber tidak dapat diminimalisir maka padasela-sela antara pipa / conveyor / exhuast dengan dinding chamber dapat disisipklan Acourete Fiber secara rapat untuk meningkatkankualitas redaman.
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Quantum Globalindo, PT Phone : +62 21 351 3351Fax : +62 21 345 8143 Email : [email protected] : www.altaintegra.com