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All Journal Otopro Jurnal Cakrawala Maritim Proceedings Conference on Marine Engineering and its Application
Muhammad Shah
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Humanities Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Mechanical Engineering

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Journal : Proceedings Conference on Marine Engineering and its Application

 1 
Analisa Kebijakan Penjadwalan Perawatan pada Main Engine MV. Tanto Bersinar dengan Menggunakan Metode Reliability Centered Maintenance Dories Putra Pradana; Muhammad Shah; Abdul Gafur
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Mesin utama memiliki peranan penting dalam menunjang kegiatan berlayar karena jika mengalami kegagalan maka kapal tidak bisa berjalan dan menimbulkan kerugian ekonomi. Saat ini PT. Tanto Intim Line melakukan perawatan di semua kapalnya berdasarkan corrective maintenance. Metode tersebut dinilai masih belum efektif untuk menangani kegagalan yang terjadi, karena sedikitnya sumber daya manusia yang tersedia sehingga belum teratasi dengan baik. Dengan demikian, diperlukan maintenance task yang tepat, sehingga perusahaan dapat memprediksi kerusakan yang terjadi dan menyediakan suku cadang baru sebelum kerusakan terjadi. Metode perawatan yang sesuai dalam menentukan apa yang harus dilakukan adalah dengan menggunakan RCM (Reliability Centered Maintenance), dengan metode ini dapat diketahui jenis perawatan dan interval perawatan yang sesuai untuk setiap komponen yang mengalami kegagalan. Berdasarkan analisa didapatkan frekuensi kegagalan pada komponen injector sebesar 6 kali/tahun, komponen piston dengan frekuensi kegagalan 4 kali/tahun. Dengan didapatkannya hasil frekuensi kerusakan maka dapat ditentukan strategi perawatan pencegahan (preventive maintenance) untuk komponen yang memiliki tingkat resiko paling tinggi dan menengah sehingga mempengaruhi biaya, produksi, dan kesehatan serta keselamatan kerja adalah piston, injector, cylinder head, cylinder liner, governor, fuel injection pump dan perawatan saat terjadi kerusakan (corrective maintenance) untuk komponen yang memiliki tingkat resiko paling rendah adalah connecting rod & crosshead, thrust bearing, crankshaft.
ANALISA UNJUK KERJA TWO STROKE MARINE DIESEL ENGINE BERBAHAN BAKAR CAMPURAN MINYAK SOLAR DAN BIODIESEL MINYAK KELAPA PADA BEBAN SIMULATOR FULL LOAD M Haris Sochibul Kirom; Muhammad Shah; Edi Haryono
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

As the era develops, the need for petroleum is getting bigger as a fuel so thatinnovation is needed to create renewable energy that can be continuously renewed and utilized,one of which is by creating biodiesel. Biodiesel is a fuel produced from animal fats and vegetableoils through a transesterification process. One of the crops that has the potential to becomebiodiesel is coconut, because Indonesia has the largest coconut plantation in the world. Inaddition, coconut oil also has a very high ester content when compared to other vegetable oils.This study aims to analyze the performance of marine diesel engines under full load conditionsusing mixed fuels, namely diesel and coconut oil biodiesel for power, torque, and gsfc. In thisstudy, the most optimal variation of the fuel mixture on the performance of marine dieselengines. From the test results, it can be concluded that the mixture of coconut oil biodiesel withdiesel fuel increases the power produced with a torque of 239.6343 Nm. The use of the fuelmixture increases the performance of the diesel engine so that the power and torque produced ishigher than using Pertamina Dex alone. From the results of research, the B30 fuel has the highestpower and torque and the B30 fuel also has the lowest gsfc value.
Rancang Bangun Mesin Ekstrusi Plastik Khusus Bahan Styrofoam Bagus Putera Beni Abdullah; Muhammad Shah; Nopem Ariwiyono
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Styrofoam banyak digunakan dalam kehidupan sehari-hari antara lain digunakan untuk dekorasi, maket bangunandan wadah penyajian bagi hidangan produk siap saji. Namun, pemanfaatan styrofoam yang luas menjadipermasalahan bagi lingkungan berupa pencemaran. Styrofoam yang dimanfaatkan dalam kegiatan pengemasan,alat rumah tangga, mainan, dan bahan pelengkap menyebabkan menumpuknya sisa hasil pemakaian berupalimbah. Limbah styrofoam sulit terurai dan sering kali menggunung di sungai. Bahkan limbah styrofoammenghasilkan 57 zat berbahaya ke udara. Pengolahan styrofoam yang menggunakan metode sabuk pemanasmemiliki hasil keluaran yang belum sempurna. Hal ini dikarenakan suhu pemanasan yang dicapai oleh sabukpemanas tidak sesuai dengan yang diharapkan, juga karena kurangnya gaya penekanan didalam tabung pemanassehingga hanya beberapa bagian yang mencair. Namun, dengan metode ekstrusi ini, panas yang dihasilkan tidakmeradiasi keluar. Dalam penelitian tugas akhir ini telah dirancang dan dibuat mesin pengolahan limbah plastikstyrofoam berupa mesin exstruder dengan ukuran diameter dalam pada barrel 200 mm dan diameter screw 120mm. Dengan pemanas Electrik heater dengan jenis Band heater 7500 watt sedangkan transmisi extruder 1:5dengan motot listrik yang memiliki daya 25 hp pada 1450 rpm.
EVALUASI PENJADWALAN MAINTENANCE A/E (AUXILIARY ENGINE) TYPE YANMAR 6KHL-STN, MV.MERATUS SABANG DENGAN MENGGUNAKAN METODE RELIABILITY CENTERED MAINTENANCE Zendy Reda Rhomadan; Muhammad Shah; Nurvita Arumsari
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2431

Abstract

Identification of the level of criticality of a component based on the Reliability Centered Maintenance II method obtained components that have a critical level quantitatively owned by components in the F.O fuel system transfer pipe from injector pump to injector with a value of R(t) = 76 if qualitatively assisted with FMEA results the highest is owned by the fuel system component with RPN value = 150. and cost comparison analysis after implementing maintenance using Reliability Centered Maintenance II. Later, it is hoped that the results of this proper maintenance program can be applied to the Auxiliary Engine MV. Meratus Sabang in order to minimize operational costs that will be used in the future.
Analisis Unjuk Kerja Four Stroke Diesel Engine Menggunakan Bahan Bakar Multi-Feesdstock Biodiesel Menggunakan (Minyak Kelapa Sawit, Minyak Kelapa, Minyak Jagung) Sugiantoro .; Muhammad Shah; Edi Haryono
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2638

Abstract

The massive increase in the world's population has led to an increase in fuel consumptionin the world. The most popular energy still relies on fossil fuels today, which are depleting the earth'sreserves, so an alternative fuel is needed, namely biodiesel. Biodiesel has the advantages of beingbiodegradable, non-poisonous, has low emissions, and is renewable in availability. The biologicalmaterials that can be used as biodiesel are palm oil, coconut oil, and corn oil. In this research, thethree feedstocks were blended into a composition (multi-feedstock biodiesel) which was mixed withHSD (Pertamina dex) to become B20, B35 and B100 fuels. The fuels were tested on a four-strokediesel engine with 1000 watts, 2000 watts and 3000 watts lamp loading with engine speed variationsfrom 900 rpm to 1050 rpm. From the test results, it was found that the performance results in theform of power, torque, and generator-specific fuel consumption values were the most optimal, namelyB100 fuel. From this research, the most optimal percentage of fuel mixture is 100% multi-feedstockbiodiesel or pure biodiesel.
Analisis Performa Lubricating Oil (L.O.) Cooler Tipe Plate Heat Exchanger Untuk Penggantian Heat Exchanger Tipe Shell And Tube Pada KM Spil Rumi Adam Aryo Kirono; George Endri Kusuma; Muhammad Shah
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2641

Abstract

There is a case on KM Spil Rumi in the form of Lubrcating Oil (L.O.) cooler damaged due to leakage. The existence of this case is the basis of this research to find an alternative replacement with a redesign. The methodology used in this research uses LMTD (Log Mean Temperature Different). Based on the calculation results, it is found that the shell and tube heat exchanger has a better overall convection coefficient value with a value of 538.98 W/m2.C compared to the plate heat exchanger with a value of 459.19 W/m2.C. Although the overall convection coefficient value of the shell and tube heat exchanger is greater, the shell and tube heat exchanger has an overdesign value that is too large at 74.42%. Therefore, the plate heat exchanger with an overdesign value of 31.39% has a higher effectiveness value with a value of 64.3% compared to the shell and tube heat exchanger with a value of 46.4%.
ANALISIS PERBANDINGAN PERFORMANCE PADA FOUR STROKE ENGINE MENGGUNAKAN MULTI-FEEDSTOCK BIODIESEL (MINYAK KELAPA SAWIT, MINYAK IKAN SALMON, EKSTRAK KULIT MANGGIS) DENGAN MULTI- FEEDSTOCK BIODIESEL (MINYAK CASTOR, MINYAK LEMAK SAPI, MINYAK CANOLA) Wildhan Zaky Arsyada; Aminatus Sa'diyah; Muhammad Shah
Proceedings Conference on Marine Engineering and its Application Vol 7 No 1 (2024): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v7i1.3587

Abstract

Petroleum-derived fuel oil (BBM) is the main source of energy The large use of petroleum makes petroleum supplies diminish, this is because petroleum has a very important role in the field of transportation and industry. Biodiesel, as an environmentally friendly alternative, is attracting attention with its increasing trend of use. Although biodiesel has many advantages such as being environmentally friendly and reducing emissions, it also has a negative impact on engine performance. Studies show that biodiesel can affect emission characteristics and engine performance, especially when compared to conventional diesel fuel. Therefore, this study addresses the performance comparison of multi-feedstock fuels, such as (palm oil, salmon oil and mangosteen peel extract) with multi-feedstocks, such as (castor oil, tallow oil and canola oil), blended with HSD (Pertamina dex) to become B20, B35 and B100 fuels. The fuels were tested on a four stroke diesel engine with 1000 watts, 2000 watts and 3000 watts of lamp loading with engine speed variations from 900 rpm to 1000 rpm, providing a deeper understanding of diesel engine performance and efficiency.
Co-Authors Adam Aryo Kirono Aminatus Sa’diyah Arief Subekti Bagus Putera Beni Abdullah Catur Rahmat Handoko Dories Putra Pradana Edi Haryono Kusuma, George Endri M Haris Sochibul Kirom Nopem Ariwiyono Nurvita Arumsari Sugiantoro . Syamsiar, Syamsiar Wildhan Zaky Arsyada Zendy Reda Rhomadan