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All Journal Rekayasa Mesin JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Informatika dan Teknologi Komputer ( J-ICOM) Jurnal Abdi Masyarakat Indonesia JURUTERA (Jurnal Umum Teknik Terapan)
Nazaruddin Abdul Rachman
Program Studi Teknik Mesin, Fakultas Teknik, Universitas Samudra - Meurande - Langsa 24416, Aceh
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health

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Rekaya Mesin Konversi Sampah Plastik Menjadi Minyak Mentah Dengan Variasi Sampah Plastik Jenis Polypropilena (PP) dan Polyethylene Therephtalate (PET) Iqbal Fahrurazy; Iskandar; Nazaruddin
JURUTERA - Jurnal Umum Teknik Terapan Vol 8 No 02 (2021)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v8i02.5293

Abstract

Penggunaan plastik yang semakin meningkat setiap tahunnya. Memberikan dampak yang sangat besar. meningkatnya penggunaan plastik adalah hasil dari perkembangan teknologi, industri dan demografis. Plastik ini terlalu banyak sehingga menyebabkan timbunan sampah dimana mana. Masalah sampah ini erat kaitannya dengan pertumbuhan penduduk, pertumbuhan ekonomi, dan perubahan pola konsumsi masyarakat. Berdasarkan data tahun 2016 dari Kementerian Lingkungan Hidup dan Kehutanan (KLHK), volume pembuangan sampah tahunan Indonesia mencapai 65,2 juta ton. Jika tidak dicari solusi, peningkatan sampah plastik ini akan menjadi masalah serius. Metode pembuangan sampah plastik yang populer saat ini adalah (Reuse, Reduce, Recycle). Reuse adalah cara membuang sampah dengan menggunakan kembali barang berjenis plastik yang sudah terpakai. Reduce adalah mengurangi penggunaan barang yang berpotensi akan menjadi sampah plastik. Recycle adalah mendaur ulang produk plastik. Alternatif lain dari pengelolaan sampah plastik yang diteliti dan dikembangkan adalah konversi sampah plastik menjadi minyak mentah dengan metode pirolisis. Metode pirolisis pada sampah plastik merupakan proses dekomposisi senyawa organik melalui proses pemanasan dengan sedikit atau tanpa melibatkan oksigen. Tujuan dari penelitian ini adalah Membuat mesin konversi sampah plastik menjadi minyak mentah dengan bentuk yang sederhana. terdapat dua jenis plastik yang akan dilakukan pengujian yaitu plastik polipropilena (PP) dan plastik polietilena tereftalat (PET). Pada pengujian plastik polietilena tereftalat (PET) dengan berat plastik 1 kg selama 240 menit menghasilkan 22,5 ml minyak mentah dan Pengujian plastik polipropilena (PP) dengan berat plastik 1 kg selama 240 menit menghasilkan 110 ml minyak mentah.
DESIGN OF THERMAL CONDUCTING EQUIPMENT Iskandar; Parlindungan Lumban Batu; Nazaruddin Abdul Rahman; Syamsul Bahri Widodo
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 02 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i02.6833

Abstract

This research presents the design and manufacture of thermal conductivity test equipment using heat transfer techniques (steady state) with the ability to test materials at high temperatures. The design of this test equipment is an extension of the ASTM D5470-06 standard, where the same is used to calculate the surface temperature and heat transfer through the sample during the test, where at each reference rod point, 10 K-type thermocouples are embedded. The maximum heater power required by the reference rod with a heating time of 1 hour is 30.4 KW. This test tool uses 3 pieces of 500-Watt power, and Thermoelectric TEC1-12706 12 Volt 6 Ampere 40x40 mm, Heatsink, 12 Volt DC Fan 0.15Ampere 38x38 mm, to keep the test at a steady state. And the use of Thermal Paste to minimize thermal contact resistance. From the calculations, it can be seen that the faster the time needed to heat the reference rod will require greater heater power, and vice versa. For high temperatures, this tool can reach a test temperature of 100 ℃. This research was conducted to measure the thermal conductivity of stainless steel, iron, wood, rubber, and Styrofoam. After the measurement, the thermal conductivity of stainless steel was 15.14037 W / mK Reference 14.00 W / mK, iron 41.07 W / mK Reference 79.5 W / mK, wood 1.54 W / mK Reference 0.21 W / mK, rubber 0.6 Reference 0.2 W / mK, Styrofoam 0.062 W / mK Reference 0.095 W / mK. Thus, further research is needed on the method of measuring the thermal conductivity of metals by transient means.
Flexural Strength Analysis of Laminated Composites Using Clam Shell Powder and Bagasse Powder Ramadani Siregar; Zainal Arif; Muhammad Zulfri; Syamsul Bahri Widodo; Nazaruddin Abdul Rachman
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 02 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i02.8268

Abstract

Composites are materials that have specific properties based on their constituent materials. The constituent materials consist of binders and reinforcements. Reinforcing materials come from synthetic fibers and natural fibers. Natural fibers can be waste that is wasted in the environment. These wastes include bagasse waste and clam shells. These wastes are made into fibers. Resin is mixed with fiber and blowing agent, then stirred until evenly distributed and poured into the mold, resulting in a composite material. This study aims to obtain the strength of composite materials due to three-point bending loading with the laminate fiber layer method. The manufacture of this test specimen uses bagasse powder and clamshell powder formed with a casting system. This material consists of 4 layers. The first and third layers are clamshell powder, and the second and third layers are bagasse powder. The fiber sizes of the specimens are 300mesh, 400mesh, and 500mesh. The fiber fraction ratio was 10% and 15%. The models were laminated and tested for three-point bending. The best results were found in the 500 mesh fiber size specimen, with a fraction ratio of 85% resin and 15% clam shell powder and bagasse. The maximum stress obtained was 63.46 MPa and strain 0.59 mm, with a bending force of 487.42 N.
Corrosion Rate Analysis and Remaining Life Assessment of Structural Steel in Palm Oil Mill (POM) Environment at Tanjung Seumantoh Muhammad Zulfri; Nazaruddin Abdul Rahman; Andre Mahessa; Muhammad Isra
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 01 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i01.8270

Abstract

Machines are tools used to simplify work processes. Within a machine, there are several main components that form the framework for its construction. These components must possess strong qualities in order to perform their functions effectively, one of which is the use of steel. Steel is a commonly utilized material in various sectors, including factories. An example of this can be seen in palm oil mills, where numerous components such as wall pipes, generating pipes, and heat pipes are made from steel. However, steel has a tendency to corrode, which can reduce its strength and shorten the lifespan of steel components. Therefore, it is crucial to calculate the remaining life of each pipe as a preventive measure. The calculation results indicate that the remaining life of the wall pipe is approximately 32 years, while the generating pipe has around 29 years, and the heater pipe has about 11 years of remaining life. In this case, the wall pipe has the longest remaining life, whereas the heater pipe has the shortest due to its continuous exposure to heat. The purpose of this research is to analyze the corrosion rate and remaining life of components made from steel materials, such as wall pipes, generating pipes, and heat pipes, in order to prevent damage caused by corrosion in palm oil mills.
Effect of Nacl Solution on Protection Rate of BJTP 40 Steel (SNI 07-2052-200219) With Sacrificial Anode Cathodic Protection Utilizing Zn Anode Syamsul Bahri Widodo; Nazaruddin Abdul Rahman; Zainal Arif; Joshua Tri Saputra
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 01 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i01.8449

Abstract

Reinforced concrete is a crucial element in infrastructure. However, it is unfortunate that the issue of corrosion in reinforced concrete structures has a significant impact and requires detailed consideration. Since the 1980s, research on corrosion-related problems has been initiated, one of which involves the SACP (Sacrificial Anode Cathodic Protection) approach using Zn sacrificial anodes. The purpose of this method is to control the corrosion rate in reinforced concrete. Environmental factors, such as the composition of solutions, play a role in influencing the resulting corrosion rate. Therefore, research is conducted by applying different solutions, namely 4% and 5% NaCl solutions, as well as Freshwater. This aims to compare the effects of these solutions on the measured corrosion rate using Zn anodes. The test results over a 4-week period indicate that the 5% NaCl solution exhibits a very high corrosion rate, as evidenced by the corrosion potential value of -790.3 mV. Conversely, the freshwater solution demonstrates a lower corrosion rate, with a corrosion potential value of -225.6 mV and a corrosion risk of only around 10%. This research provides a deeper understanding of the impact of solutions on the corrosion rate in reinforced concrete and offers a more scientific and contemporary perspective in line with current developments.
Performance Evaluation of a Rice Drying System Utilizing Wick Heat Pipe as a Heat Exchanger Haikal Adlin; Nasruddin A. Abdullah; Nazaruddin Abdul Rahman
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 02 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i02.8800

Abstract

Indonesia predominantly consists of a population engaged in rice farming as their primary source of livelihood. The rice farmers in Indonesia continue to employ traditional methods in the rice drying process, which poses a significant challenge as it substantially impacts the efficiency of rice processing. Consequently, to address this issue, a rice drying apparatus employing wick heat pipes as heat transfer devices has been developed. In the course of this research, the drying apparatus underwent testing at multiple points, with variations in voltage and airspeed. This was undertaken to ascertain the optimal voltage level at which the wick heat pipes, and the drying chamber would operate effectively. Voltage settings of 180V, 200V, and 220V were used, coupled with airspeeds of 1.5 m/s and 2 m/s. For the 180V setting and an airspeed of 2 m/s, a heat transfer rate (Q) of 1.0552 J/s was achieved, with an efficiency of 0.18%. Conversely, at an airspeed of 1.5 m/s, the heat transfer rate amounted to 1.1306 J/s, and the efficiency reached 0.19%. At 200V and an airspeed of 2 m/s, the heat transfer rate was 1.5075 J/s, and the efficiency was 0.21%, while at an airspeed of 1.5 m/s, the heat transfer rate was 1.1306 J/s, with an efficiency of 0.16%. At 220V and an airspeed of 2 m/s, the heat transfer rate was 1.8009 J/s, and the efficiency was 0.21%, while at an airspeed of 1.5 m/s, the heat transfer rate remained at 1.8009 J/s, and the efficiency also stood at 0.21%. In conclusion, it can be inferred that the wick heat pipes, and the drying chamber demonstrated optimal performance at the 220V voltage setting.
Development Of a Fiberglass Composite Pelton Turbine for Micro-Hydropower Applications Alfianda Gustiadinur; Nasruddin A. Abdullah; Nazaruddin Abdul Rahman; Fazri Amir
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.v11i01.7153

Abstract

The demand for electricity is continually increasing. Typically, electrical energy is generated using fossil fuels such as coal in thermal power plants. Generally, these power plants or other electricity generators supply power to densely populated areas such as large cities. Remote areas, however, often lack access to electricity due to their distance from urban centers. One solution to this issue is the development of micro-hydropower plants (MHPs). In MHPs, turbines are generally made of metal, which has high inertia and thus leads to lower efficiency. Therefore, this study replaces the turbine in an MHP with one made of fiberglass to assess the material's resistance to the water pressure in MHP operations. Based on the research conducted, the allowable stress for the fiberglass was determined to be 11.59801 MPa, with the water pressure applied to be 0.000985 MPa.
Co-Authors A. Abdullah, Nasruddin Agus Rinaldi Alfianda Gustiadinur Alkindi Alkindi Andre Mahessa arif, zainal - Asmadi Surdia Doni Risthiawan Eka Mutia Ellida Novita Lydia Fazri Amir Fitri Zulistian Haikal Adlin Hamdani Umar Iqbal Fahrurazy Iskandar Iskandar Joshua Tri Saputra Muhammad Amin Muhammad Isra Muhammad Zulfri Nurul Fadillah Parlindungan Lumban Batu Ramadani Siregar Suheri - Suheri Syamsul Bahri Tajri Maulana Teuku Azuar Rizal Teuku Kamaruzzaman Widodo, Syamsul Bahri Yakob Iskandar Zainal Arif