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All Journal Majalah Ilmiah MOMENTUM Wave: Jurnal Ilmiah Teknologi Maritim Infotekmesin Dinamika Bahari: Journal of Maritime Dynamic Saintara : Jurnal Ilmiah Ilmu-Ilmu Maritim DEVICE ARMATUR : Artikel Teknik Mesin dan Manufaktur Jurnal Pengabdian Kepada Masyarakat Abdi Nusa Jurnal Pengabdian Kepada Masyarakat Abdi Putra Jurnal Maritim Polimarin Karunia: Jurnal Hasil Pengabdian Masyarakat Indonesia JURUTERA (Jurnal Umum Teknik Terapan) JEPEmas: Jurnal Pengabdian Masyarakat (Bidang Ekonomi) WAVE: Jurnal Ilmiah Teknologi Maritim
Susanto Susanto
Jurusan Teknika, Politeknik Maritim Negeri Indonesia, Semarang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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PENGUJIAN TINGKAT KETELITIAN POTENSIOMETER PADA SIMULASI KEMUDI KAPAL Arif Rakhman Suharso; Ario Hendarto; Evi Sirait; Rahindra Bayu Kumara; Susanto
Wave: Jurnal Ilmiah Teknologi Maritim Vol. 16 No. 2 (2022)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jurnalwave.v16i2.5491

Abstract

Potensiometer dapat digunakan sebagai sensor untuk mengukur derajat putaran kemudi dengan membaca nilai resistansinya untuk diubah ke dalam nilai digital manggunakan analog to digital coverter yang terdapat di arduino. ADC atau disebut juga dengan Analog to Digital Converter merupakan fitur yang di miliki oleh arduino sebagai mikrokontroler guna membaca sinyal analog kemudian di konversikan menjadi sinyal digital (Elgamar, 2018). Kemudi kapal harus memenuhi persyaratan-persyaratan yang diharuskan untuk kepentingan dan keselamatan serta sesuai yang diisyaratkan dalam SOLAS 74 aturan 29 Bab II mengenai perangkat kemudi. Perangkat kemudi utama pada saat kapal melaju dengan kecepatan ekonomis maksimum, harus dapat disimpangkan sebesar 35º ke kiri/ ke kanan dalam waktu 28 detik, dari posisi port 35 derajat ke starboard 35 derajat atau sebaliknya, saat putaran mesin maksimum dan beban maksimum dalam jangka waktu maksimum 28 detik (Yusim, 2021). Hasil pembacaan potensiometer yang sudah dikonversi menjadi digital dikirimkan ke komputer melalui komunikasi serial USB dengan software yang digunakan visual basic. File visual basic dalam komputer ini berbentuk file berextensi .exe yang sifatnya executable atau dengan kata lain dapat langsung digunakan. Potensiometer yang digunakan adalah potensio dengan resistansi 100 k ohm dan tegangan referensi 5 volt dicatu dari tegangan USB komputer, hasilnya dikonversi ke digital digunakan untuk menentukan berapa derajat kemudi kapal akan berbelok ke kanan (starboard side) atau ke kiri (port side).
Simulasi dan Eksperimen Pengaruh Variasi Tekanan Injeksi Bahan Bakar Diesel Liquid pada Mesin Induk Kapal Terhadap Karakteristik Semprotan Injektor Wahyu Ari Putranto; Khaeroman Khaeroman; Susanto Susanto; Arif Rakhman Suharso
JURNAL ILMIAH MOMENTUM Vol 19, No 1 (2023)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v19i1.8296

Abstract

Mesin diesel banyak digunakan pada dunia industri dan transportasi karena kehandalannya. Di dunia transportasi laut mesin diesel digunakan sebagai mesin induk kapal yang berfungsi untuk menggerakkan kapal. Salah satu komponen yang penting pada mesin diesel adalah injektor yang bertugas untuk menyemprotkan bahan bakar ke ruang bakar. Apabila terjadi masalah pada injektor maka akan berpengaruh pada proses pembakaran sehingga dapat menurunkan kinerja mesin induk kapal. Parameter pada penelitian ini adalah diameter nosel sebesar 0,2 mm. Variasi tekanan input yang digunakan adalah 290, 310, 330 bar. Penelitian ini bertujuan untuk memperoleh parameter tekanan injektor yang optimum. Data yang diperoleh adalah sudut semprotan, panjang semprotan dan waktu semprotan. Penelitian ini menggunakan metode simulasi dan eksperimen. Simulasi menggunakan software CFD komersial sedangkan eksperimen dengan menguji injektor menggunakan injektor tester. Hasil pengujian variasi tekanan injektor 290, 310 dan 330 bar diperoleh data-data sudut semprotan masing-masing sebesar 13o, 14o, 15o. Panjang semprotan semuanya sama 100 mm tetapi waktu yang diperlukan untuk menyentuh dinding berbeda-beda, masing-masing 0,00199; 0,00197; 0,00195 sekon. Parameter optimum pada penelitian ini adalah tekanan input injektor 330 bar menghasilkan sudut semprotan 15o, Panjang semprotan 100 mm dengan waktu tercepat yaitu 0,00195 sekon.
Optimization of Reliquefaction System on Gas Carrier to Maintain The Condition and Temperature of Cargo Tank Fitri Suprapti; Susanto Susanto; Deri Hendrawan; Retno Anggoro
Dinamika Bahari Vol 4 No 1 (2023): May 2023 Edition
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/db.v4i1.351

Abstract

Transport of liquefied hydrocarbon gases and their derivatives (methane, ethane, propane, butane, ethylene, propylene and other liquefied gases) is done using gas carrier tankers. Large gas carriers are equipped with re-liquefaction system to handle cargo during the process of loading, voyaging, and unloading. A reliquefaction system is installed on gas carriers to handle the Boil off-gas (BOG) problem. Operation constraints Reliquefaction system operating the reliquefaction system include the compound characteristics, liquefaction unit operating conditions, and system performance. These issues also hinder the BOG liquefaction process. This research sought to investigate the whole operation process of the system. This case study was conducted by observing the objects directly on the MT. Chinagas Legend vessel whose main cargoes are LPG. In case studies, research is carried out by studying the phenomenon of case problems that occur directly on the object. The identified problems and its resolutions could add valueable information to science. The research results revealed that MT. Chinagas Legend had a reliquefaction system with 2-stage or 3-stage options. The former type was used for butane (C4H10) cargoes and the latter was used for propane (C3H8) cargoes. The common problem in the process of reliquefaction systems was the presence of contaminants carried with seawater and clogging the filters. A leak in the intake or discharge valve slowed down the reliquefaction process and rendered it ineffective. The problems can be overcome through periodic routine inspections on components that are directly in contact with sea water, such as sea water filters.
Analisis Ekonomi Pengoperasian Ketel Uap Bantu Laboratorium Permesinan Kapal Polimarin Dengan Variasi Bahan Bakar Susanto Santo; Okpina Rochadian; Fajar Pujiyanto
Jurnal Maritim Polimarin Vol. 9 No. 1 (2023)
Publisher : PPPM Polimarin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52492/jmp.v9i1.97

Abstract

Heat energy and steam pressure are very important properties in various life applications. The steam production process in a boiler can occur in a container or in a pipe. Fuel as a source of chemical energy for steam boilers can use solid, liquid or gas types. The use of solid fuel is relatively easier to use, by simply putting it into the fire kitchen. Use of gas as boiler fuel can use a gas burner as in a gas stove. The type of fuel oil used as boiler fuel is diesel oil. Diesel oil in order to be used as boiler fuel requires a burner as a fogger combined with compressed air. This study was conducted for the purpose of studying the performance of the boiler when operated from cold conditions to the maximum achievable pressure. Specifically, to determine the specific fuel consumption and the amount of fuel cost required. The experimental method was chosen for the study. Steam pressure and the amount of fuel required during combustion and steam production were the two parameters measured. There are 3 types of diesel oil grades that will be analysed in this study. Fuel type and quality affect the time required to reach maximum pressure. Bio diesel takes the longest time, dexlite takes a shorter time, and pertamina dex takes the shortest time. Total difference in fuel consumption for one operation of bio diesel oil, dexlite, and pertamina dex is 4.68, 4.38, and 4.19 litres respectively. The amount of cost required to pay for bio diesel oil, dexlite, and pertamina dex is Rp 31,824, Rp 62,415, and Rp 64,526 for one operation respectively. Fuel consumption for laboratories is recommended to use dexlite with better quality than bio diesel at a lower price than using Pertamina dex.
Analysis of Flexural Stress in Prototype Carding Machine Spindle Gears Made of Aisi 1020 Steel Muhammad Safii; Khaqurokhim; Rouf Muhammad; Suheri Suheri; Agung Nugroho; Susanto; Muhammad Iqbal Farhan Putra Arya
JURUTERA - Jurnal Umum Teknik Terapan Vol 11 No 01 (2024)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v11i01.9548

Abstract

Stress in a mechanically loaded structure is a critical aspect that warrants thorough investigation. The impact of stress on a structure can lead to various consequences, including crack propagation and fracture. Gears play a crucial role in transmitting power and rotation between shafts, making an in-depth analysis of stress in gears essential for ensuring mechanical reliability. Previous research has predominantly focused on stress and loads in gears, utilizing mathematical and numerical methods to explore variations in parameters such as gear diameter and thickness in various vehicles and machines. However, there is a noticeable gap in the literature regarding the analysis of the effect of AISI 1020 steel material on spur gears, particularly in the context of a carding machine for silk processing. This study aims to fill this void by employing a mathematical approach to determine the flexural stress in prototype spindle gears used in a carding machine for silk processing. Through thorough analysis and mathematical calculations, the flexural stress in the prototype spindle gears of the carding machine for silk processing was determined to be 176.32 kg/mm². This research provides valuable insights into the mechanical behavior of gears under load, specifically in the context of the unique requirements of a carding machine for silk processing.
KAJI EKSPERIMEN DAN SIMULASI PENGARUH SUDUT DOUBLE SEGMENTAL BAFFLE DAN LAJU ALIRAN FLUIDA PADA HEAT EXCHANGER JENIS SHELL AND TUBE PADA MESIN MAIN EXTRUDER TERHADAP KEBAIKAN PERPINDAHAN PANAS Muhamad Safi'i; Suheri Suheri Kertosenjoyo2; Agung Nugroho; Susanto Susanto; M. Iqbal Farhan Putra Arya; Oktarina Heriyani; Yafid Effendi
Device Vol 14 No 1 (2024): Mei
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v14i1.6989

Abstract

Shell and Tube Heat Exchanger (STHX) is very important for its use in the industrial world which can support the continuity and success of the entire network process. Various kinds of research have been carried out to increase the heat transfer coefficient and effectiveness of Shell and Tube Heat Exchangers (STHX) both experimentally and by simulation. This research examines the increase in heat change coefficient and effectiveness of STHX with variations in baffle angles of 0°, 10°, and 20° with fluid mass flow rates of 2, 4, and 6 kg/s. As a result, STHX with a baffle angle of 0° has the largest heat change coefficient value than STHX with a baffle angle of 10° and 20° both during experiment and simulation, values ​​ranging from 4218 W/m²C and 4226 W/m²C at a baffle angle of 0° when the fluid flow rate is increased to 6 kg/s. Keywords: Shell and Tube Heat Exchanger, baffle angle configuration, double segmental baffle, total heat transfer coefficient, effectiveness, CFD (Computational Fluid Dynamics).
Simulasi Daun Kemudi Kapal Dengan Variasi Beban Rakhman, Arif Rakhman Suharso; Ario Hedartono; Susanto
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 5 No. 2 (2024): ARMATUR: Artikel Teknik Mesin dan Manufaktur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v5i2.6367

Abstract

A ship's steering system contains steering gear auxiliary machinery which functions to move the rudder or rudder when maneuvering the ship where the ship's rudder is located at the stern of the ship behind the propeller. This research aims to test the MG995 servo which is used to move a simulated ship's rudder to measure the time and accuracy of the angle of rotation of the rudder with various load variations in accordance with Solas rules. This research is a continuation of the previous research roadmap regarding sensor comparison for ship steering simulations. The capabilities of the MG995 servo were tested by comparing several loads to test stall torque conditions and the ability to move the ship's rudder. The equipment used in preparing this ship steering simulation includes a rudder to determine the position towards the port side and starboard side, an Arduino as control equipment, a rotary encoder to determine the rudder angle, a servo to move the rudder, and a rudder to test the load on the servo.
Pengaruh Quenching Terhadap Sifat Mekanik dan Struktur Mikro Baut Connecting Rod Bekas Untuk Alat Gesek FSW Ari Putranto, Wahyu; Khaeroman; Susanto; Herdawan, Deri; Noviarianto
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2531

Abstract

One method of joining soft metals such as aluminum that is widely used is Friction Stir Welding (FSW). The friction tool is a very important part of FSW. Friction tools are usually made from hardened H13 steel. This research aims to make a friction tool from steel connecting rod bolts used in marine diesel engines. The experimental methods used include FSW tool design, heat treatment of the material at a temperature of 900oC followed by a quenching process with water and salt water cooling media, then continued with material testing (chemical composition test, hardness test, and micrographic test). The test results obtained from the chemical composition test show that the connecting rod bolts include AISI 4145 steel material. The highest hardness value obtained from the connecting rod steel in the saltwater quenching process was 52.67 HRC with a martensite phase, as seen from the micrographic test. Used steel connecting rod bolts from marine diesel engines can be used as FSW friction tool material.
Rancang Bangun Prototype Sistem Tangki Hydrophore Kapal Niaga sebagai Alat Praktikum Mata Kuliah Permesinan Bantu Khaeroman; Susanto; Widar Bayu Wantoro
Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim Vol 9 No 1 (2025): SAINTARA (Maret 2025)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Akademi Maritim Nusantara Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52475/saintara.v9i1.369

Abstract

Fresh water on the ship must flow from the lowest compartment in the engine room to the top of the platform. The pressure tank, or hydrophore, is a freshwater distribution system widely used in multi-storey buildings, including ships. Hydrophores are used in multi-storey building construction, including on ships, only as temporary holding tanks. The system acts to raise water from storage tanks or wells that are located lower. These systems need to be operated and maintained by competent people. The competence of competent crew members will be able to overcome the problems that occur. Issues that arise in the hydrophore system are very diverse. However, one thing that impacts a hydrophore system disruption is that the supply of fresh water to the entire ship is disrupted or does not flow. The purpose of this study is to design a hydrophore system so that it becomes a prototype that can be used for learning. When the hydrophore prototype has become a practical medium, it can be used as an engineering tool to study many phenomena. The results of the study can be concluded that when water flows through 1 pipe alternately, the pressure difference with the tank is about 0.1 - 0.2 bar. When water is flowed through 2 pipes, the pressure difference with the tank is about 0.2 - 0.4 bar. There is a pressure differential of roughly 0.2 to 0.5 bar when three flow pipes are opened at the same time.
KARAKTERISASI MATERIAL BAJA CONNECTING ROD BEKAS SEBAGAI BAHAN PEMBUATAN ALAT GESEK FRICTION STIR WELDING (FSW) Putranto, Wahyu Ari; Susanto, Susanto Susanto; Khaeroman, Khaeroman; Herdawan, Deri; Noviarianto, Noviarianto Noviarianto; Kiswanto, Heri Kiswanto
Device Vol 15 No 1 (2025): Mei
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v15i1.9039

Abstract

Permasalahan umum pengelasan las busur adalah retak saat proses peleburan dan pemadatan, timbulnya porositas, serta hilangnya elemen paduan yang mudah menguap. Penyambungan material lunak dapat dilakukan menggunakan pengelasan aduk gesekan yang disebut Friction Stir Welding (FSW). Alat pengaduk gesekan (Alat FSW) merupakan komponen penting pada pengelasan FSW. Penelitian ini dilakukan beberapa tahapan dengan tujuan menghasilkan alat FSW untuk material aluminium 5083. Studi dilakukan secara eksperimen mencakup desain alat FSW, perlakuan panas dan pengujian material alat FSW dan pembuatan alat FSW. Material dasar alat FSW yang dibuat menggunakan baut connecting rod bekas dari marine diesel engine. Model alat FSW yang dibuat dengan dua jenis pin (silinder berulir dan kerucut berulir). Alat FSW yang dibuat selanjutnya diberikan perlakuan panas suhu 950oC dan diquenching dengan media pendingin air dan oli. Hasil pengujian komposisi kimia menunjukkan baut connecting rod termasuk jenis baja AISI 4145. Hasil pengujian kekerasan nilainya sebesar 52,5 HRC, dan 51,5 HRC dari quenching media air dan oli. Pengujian struktur mikro material tersebut menunjukkan fasa martensit yang sifatnya keras dari proses quenching semua media pendingin. Penelitian ini menunjukkan bahwa material baut connecting rod bisa digunakan sebagai bahan alat FSW setelah diberi perlakuan panas dan quenching dengan media air.
Co-Authors Agil Putra Jaya Agung Nugroho Agung Nugroho Agung Nugroho Agung Nugroho Anwar, Amthori Arif Rakhman Suharso Ario Hedartono Ario Hendarto Ario Hendarto Bahtiar Efendi Bondan Krisna Setiyawan Deri Hendrawan Deri Herdawan Duchan Adief Achriyan Endra Dody Endra Winarni Eni Candra Nurhayati Erwin Sutantyo Evi Sirait Evi Sirait Fajar Pujiyanto Fitri Suprapti Fitri Suprapti Gunawan Budi Santoso Gunawan Budi Santoso Heri Kiswanto Heri Kiswanto Heri Purwanto Indah Nurhidayati Juwarlan Juwarlan Khaeroman Khaeroman Khaeroman Khaeroman, Khaeroman Khaqurokhim Kiswanto, Heri Kiswanto M. Edi Pujianto M. Iqbal Farhan Putra Arya M. Trihudiyatmanto Marselia, Marselia Martha Khoirunnisa Mohammad Haris Irsyam Sah Muhammad Iqbal Farhan Putra Arya Muhammad Iqbal Farhan Putra Arya Nazaruddin Sinaga Ndori, Akhmad Ngatmin Ngatmin Ngatmin Noor Taufiq Saleh Noviarianto, Noviarianto Nugroho, Anang Budhi Okpina Rochadian Oktarina Heriyani Oktarina Heriyani Prijo Harsono Purwanto Rahindra Bayu Rahindra Bayu Kumara Retno Anggoro Rifki Arya Wiguna Rizka Ulum Rouf Muhammad Safi'i, Muhamad Suheri - Suheri Suheri Suheri Suheri Suheri Kertosenjoyo2 Suyono Suyono Tabah Priangkoso Wahyu A. Putranto Wahyu Ari Putranto Widar Bayu Wantoro Yafid Effendi Yafid Effendi Yulius Oscar