PEMANFAATAN EXHAUST GAS AUXILIARY ENGINE YANMAR 6MAL-HT UNTUK MEMANASKAN AIR BOILER PADA KAPAL KM. AMRTA JAYA 1

NIDYASARI, SINTHYA PRAHASTI (2018) PEMANFAATAN EXHAUST GAS AUXILIARY ENGINE YANMAR 6MAL-HT UNTUK MEMANASKAN AIR BOILER PADA KAPAL KM. AMRTA JAYA 1. S1 thesis, Universitas Mercu Buana.

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Abstract

Mostly a ship has 2 types of machine, which is Main Engine (ME) and Auxiliary Engine (AE). Where ME reserves as a propulsion systems, while Auxiliary Engine hold the role to supply electricity during the leaning ship and sailing. As like mostly the engine would have mode exhaust gas that dumped through the overboard by muffler. For not wasted the exhaust gas then utilized to help heat the water in boiler. On KM. Amrta Jaya 1 is already done by utilizing the exhaust gas from ME. But the thing is flamed less efficient considering the distance between ME to economizer too far, so it takes longer when the OHN (one hour notice). To solves the problem, then to warm the boiler water in economizer is diverted using exhaust gas from AE that has a closer range to economizer. Therefore, it is done the calculations to know the heat loss that happened from exhaust gas in AE to economizer by the pipe type of copper nickel with 1 inch of diameter and 2 cm of thick insulation. Heavy heats of losses are 10,539 watts where the heat loss is still under the maximum of the great heat loss of pipeline system that assumed of 923,52 watts. By using the exhaust gas of auxiliary engine, this is a savage commitment cost about Rp 7,875,000,00 when the ship does OHN. Keyword: Main Engine, Auxiliary Engine, Exhaust Gas, Heat Los, One Hour Notice. Sebuah kapal pada umumnya memiliki 2 jenis engine, yaitu Main Engine (ME) dan Auxiliary Engine (AE). Dimana ME bertugas sebagai sistem pernggerak kapal, sedangkan Auxiliary Engine memegang peranan untuk mensuplay listrik selama kapal sandar maupun berlayar. Seperti engine pada umumnya, engine pasti akan menghasilkan exhaust gas yang dibuang melalui overboard oleh muffler. Agar exhaust gas tersebut tidak terbuang sia-sia maka dimanfaatkan untuk membantu memanaskan air boiler. Pada Kapal KM. Amrta Jaya 1 proses ini sudah dilakukan dengan memanfaatkan exhaust gas dari ME. Tapi hal tersebut dirasa kurang efisien mengingat jarak antar ME menuju economizer yang terlalu jauh sehingga membutuhkan waktu lebih lama saat OHN (one hour notice). Untuk mengatasi permasalahan tersebut, maka untuk memanaskan air boiler di economizer dialihkan menggunakan exhaust gas dari AE yang memiliki jarak lebih dekat dengan economizer. Oleh karena itu dilakukan perhitungan untuk mengetahui heat loss yang terjadi dari exhaust gas AE menuju economizer melalui pipa jenis copper nickel dengan diameter 1 inch dan tebal insulasi 2 cm. Heat loss yang terjadi sebesar 10,539 Watt dimana heat loss tersebut masih berada di bawah batas maksimal heat loss sistem perpipaan yang diasumsikan sebesar 923,52 Watt. Dengan memanfaatkan exhaust gas auxiliary engine ini maka dapat dilakukan penghematan biaya sekitar Rp 7.875.000,00 ketika kapal melakukan OHN. Kata Kunci: Main Engine, Auxiliary Engine, Exhaust Gas, Heat Los, One Hour Notice

Item Type: Thesis (S1)
Call Number CD: FT/MSN. 19 016
NIM/NIDN Creators: 41316120003
Uncontrolled Keywords: Main Engine, Auxiliary Engine, Exhaust Gas, Heat Los, One Hour Notice
Subjects: 500 Natural Science and Mathematics/Ilmu-ilmu Alam dan Matematika > 540 Chemistry/Kimia > 542 Procedures, Equipment of Chemistry/Prosedur, Perlengkapan dan Alat-alat Kimia > 542.7 Gas Production, Processing, Measuring/Pembuatan, Pengolahan dan Pengukuran Gas
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin
600 Technology/Teknologi > 650 Management, Public Relations, Business and Auxiliary Service/Manajemen, Hubungan Masyarakat, Bisnis dan Ilmu yang Berkaitan > 653 Shorthand/Penulisan Cepat, Penulisan dengan Tangan > 653.3 Machine Systems/Sistem Mesin
600 Technology/Teknologi > 690 Buildings/Teknik Bangunan > 697 Heating, ventilating, air-conditioning engineering/Teknik Pemanasan Rumah, Teknik Pemanas Ruangan, Teknik Ventilasi dan Pendingin Ruangan AC > 697.4 Hot-Water Heating/Teknik Pemanasan Air Panas
Divisions: Fakultas Teknik > Teknik Mesin
Depositing User: Dede Muksin Lubis
Date Deposited: 24 Feb 2022 03:49
Last Modified: 21 Jul 2022 07:39
URI: http://repository.mercubuana.ac.id/id/eprint/56733

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