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ITS » Undergraduate Theses » Teknik Mesin
Posted by ida at 29/12/2009 17:27:04  •  2590 Views


DISTRIBUSI INTENSITAS NOISE PADA KENDARAAN RODA DUA

NOISE INTENSITY DISTRIBUTION ON MOTORCYCLE

Created by :
Kriscandono, Nanang ( 2100100067 )



SubjectBunyi--Pengukuran
Alt. Subject Noise
KeywordAcoustic
Noise
Frekuensi
Sound Pressure Level.

Description:

Pertumbuhan teknologi kendaraan roda dua telah sedemikian pesatnya. Suara bising pada kendaraan roda dua selalu merupakan topik yang penting untuk dipelajari. Mencari lokasi sumber bising di dalam mesin adalah suatu ilmu pengetahuan yang rumit dan seni yang terabaikan. Terdapat banyak hal yang menyebabkan noise dan getaran di dalam mesin. Noise timbul akibat adanya getaran mekanis yang berlangsung di dalam mesin. Adalah penting untuk mengevaluasi bagaimana komponen yang berbeda dari struktur dapat mempengaruhi emisi akustk kendaraan Tugas Akhir ini berhubungan dengan perkiraan dan analisa dari noise yang dipancarkan oleh kendaraan saat mesin diputar pada 2000 rpm. Suatu metode berdasarkan analisa finite elemen method dengan memanfaatkan software ansys 8.0. digunakan untuk mengamati emisi noise kendaraan. Melalui pemodelan numerik, dapat digambarkan emisi akustik sepeda motor dalam model dua dimensi. Melalui penelitian ini, dapat diamati bentuk distribusi sound pressure level yang dihasilkan oleh engine dan seluruh komponen kendaraan pada frekuensi 16,67 Hz, 33,33 Hz, 66,67 Hz, 100 Hz dan 133,33 Hz. Berdasarkan Indikasi noise dapat diamati adanya kasus unbalance, misalignment dan mechanical loosen pada setiap kelipatan putaran mesin.


Alt. Description

Technology development of motorcycle have been fast in such a way. Motorcycle noise is an ever-increasingly important issue to be learned. Addressing noise in engine design is a complicated science and elusive art. There are many causes of noise and vibration in the engine. Noise is produced due to the mechanical vibrations that take place in the machine. It is important to evaluate how the different components of the structure influence the noise emissions of motorcycle. This final project deals with the analysis and prediction of the acoustic noise emitted from vehicle machine rotating at 2000 rpm. A method for the prediction of the vehicle noise emissions has been proposed, based on the use of mechanical finite element analysis by using ANSYS 8.0 software. Through the numerical modeling, it can be depicted acoustical emissions of motorcycle in two dimension model. Through this research, it can be observed the form of sound pressure level distribution yielded by engine and entire mechanical component of vehicle at various frequency of 16,67 Hz, 33,33 Hz, 66,67 Hz, 100 Hz and 133,33 Hz respectively. Pursuant to noise indication, it can be perceived the existence of unbalance, misalignment and mechanical loosen cases in every machine rotation.

Contributor:
  1. Ir. YUSUF KAELANI, MSc.,E
Date Create:29/12/2009
Type:Text
Format:pdf
Language:Indonesian
Identifier:ITS-Undergraduate-3100006027375
Collection ID:3100006027375
Call Number:RSM 620.23 Kri d


Source :
Undergraduate Theses of MECHANICAL ENGINEERING Industrial Technology Faculty, RSM 620.23 Kri d, 2006

Coverage :
ITS Community Only

Rights :
Copyright @2006 by ITS Library. This p ublication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library


Publication URL :
http://digilib.its.ac.id/distribusi-intensitas-noise-pada-kendaraan-roda-dua-6695.html




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  1. ITS-Undergraduate-6695-2100100067-judul.pdf - 217 KB
  2. ITS-Undergraduate-6695-2100100067-bab1.pdf - 23 KB
  3. ITS-Undergraduate-6695-2100100067-bab2.pdf - 200 KB
  4. ITS-Undergraduate-6695-2100100067-bab3.pdf - 909 KB
  5. ITS-Undergraduate-6695-2100100067-bab4.pdf - 525 KB
  6. ITS-Undergraduate-6695-2100100067-kesimpulan.pdf - 29 KB
  7. ITS-Undergraduate-6695-2100100067-lampiran.pdf - 327 KB



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Acoustic , Frekuensi , Level. , Noise , Pressure , Sound , Sound Pressure Level.



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