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ITS » Paper and Presentation » S1 - Teknik Mesin Lintas Jalur
Posted by dee@its.ac.id at 07/01/2015 19:22:18  •  1124 Views


STUDI EKSPERIMEN ANALISA PERFORMA COMPACT HEAT EXCHANGER CIRCULAR TUBES COUNTINOUS PLATE FIN UNTUK PEMANFAATAN WASTE ENERGY

EXPERIMENTAL STUDY ANALYSIS OF PERFORMANCE COMPACT HEAT EXCHANGER CIRCULAR TUBE CONTINOUS PLATE FIN FOR UTILIZATION WASTE ENERGY

Author :
RACHMADI, GEWA S. ( 2111105015 )




ABSTRAK

Harga minyak dunia cenderung meningkat dalam beberapa tahun terakhir. Hal tersebut membuat manusia berfikir untuk memanfaatkan sisa pembakaran yang berupa udara panas untuk dapat dimanfaatkan kembali. Dengan berkembangnya teknologi saat ini waste energy yang berupa gas hasil pembakaran pada engine dapat dimanfaatkan menjadi bentuk energi lain menggunakan heat recovery system. Pada tugas akhir ini dilakukan desain sebuah heat exchanger yang digunakan untuk menyerap waste energy yang berupa exhaust gas. Dalam penelitian ini dilakukan pengujian terhadap heat exchanger yang telah didesain dengan jenis compact heat exchanger circular tube continuous plate fin dengan variasi kecepatan exhaust gas yang melewati heat exchanger. Variasi kecepatan yang dilakukan adalah untuk kecepatan high 0.4 ms medium 0.3 ms dan untuk kecepatan low 0.2 ms. Prinsip kerja dari heat exchanger adalah menangkap panas exhaust gas yang mengalir melewati tube dan fin dari heat exchanger. Exhaust gas masuk yang melewati heat exchanger memiliki temperatur sekitar 280oC. Pada eksperimen yang sudah dilakukan didapatkan bahwa compact heat exchanger circular tube continuous plate fin yang sudah didesain memiliki dimensi panjang 0.38 m lebar 0.45 m dan tebal 0.04 m. Setelah dilakukan pengujian heat exchanger yang telah didesain dapat menyerap panas sebesar 3.09 Kwatt selain itu compact heat exchanger memiliki effectiveness tertinggi sebesar 0.457 NTU sebesar 0.722 dan overall heat transfer coefficient sebesar 6.72 Wm2K.


ABSTRACT

World oil prices are likely to increase in recent years. This makes humans think to take advantage of the combustion to be used again. At this time with the development of technology waste energy gases of combustion engine can be leveraged into other forms of energy using a heat recovery system. In this final project design of a heat exchanger that is used to absorb the waste energy in the form of exhaust gases. In this research the testing of the heat exchanger has been designed compact heat exchanger circular tube continuous plate fin with velocity variations exhaust gas which passes through the heat exchanger. Speed variation is committed to a high speed 0.4 ms medium 0.3 ms and for the low speed of 0.2 ms. The working principle of the heat exchanger is captures exhaust gas flowing through a tube and fin heat exchanger. Exhaust gases pass through the heat exchanger inlet temperature approximately 280oC. In the experiments that have been conducted it was found that the compact heat exchanger circular tube continuous plate fin has been designed to have dimensions length of 0.38 m width 0.45 m and thickness 0.04 m. After testing the heat exchanger which has been designed to absorb heat 3.09 KWatt besides that the compact heat exchanger has the highest effectiveness for 0457 NTU for 0.722 and overall heat transfer coefficient of 6.72 Wm2K.



KeywordsCompact heat exchanger; Waste energy; Heat recovery system
 
Subject:  Termodinamika
Contributor
  1. Ary Bachtiar K. P, ST, MT, Ph.D
  2. Bambang Arip D, ST, Msc, PhD
Date Create: 01/01/2014
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-paper-21121140006016
Collection ID: 21121140006016
Call Number: RSM 621.402 5 Rac s


Source
Paper and Presentation of Mechanical Engineering, RSM 621.402 5 Rac s, 2015

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Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-paper-35305-2111105015-paper.pdf - 1294 KB
  2.  ITS-paper-35305-2111105015-presentation.pdf - 1332 KB




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