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Artikel Jurnal
THERMODYNAMIC ANALYSIS OF RECUPERATIVE AND REHEAT BASED ON ORGANIC RANKINE CYCLE FOR HIGH-TEMPERATURE WASTE HEAT RECOVERY
Heat recovery from available waste heat is an essential method in renewable energy processes due to the ability to generate electricity by using Organic Rankine Cycles (ORC). The process model is developed with the Cycle Tempo software. Fluid properties were analyzed with Reference Fluid Properties…
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Artikel Jurnal
ANALYSIS OF CORROSION RATE AND REMAINING LIFE OF STEEL ON PIPELINES AT PKS PTPN 1 TANJUNG SEUMANTOH
Corrosion is a major cause of early failure in palm oil mill infrastructure in Aceh, Indonesia. Therefore, the aim of this study is to analyze the corrosion rate of steel used in the palm oil mill industry and determine the remaining life of the steel. Round bars and plates made of steel were used…
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Artikel Jurnal
KINERJA SISTEM PENYAPU TIPE GUTTER BROOMS PADA PROTOTIPE KENDARAAN PENYAPU JALAN
The performance of the gutter brooms sweeping system was studied by conducting an experimental sweeping test. The test is carried out by operating a sweeper system to sweep plastic, paper, and leaf waste. The test results show that at a broom rotation speed of 150,6 rpm, the sweeping of plastic…
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Artikel Jurnal
KAJIAN EKSPERIMENTAL PENGARUH PENGGUNAAN ELECTRONIC CONTROL UNIT AFTERMARKET PADA DAYA, TORSI, EMISI DAN KONSUMSI BAHAN BAKAR SEPEDA MOTOR 150CC
To improve motorbike performance, simple modifications are often applied using an aftermarket Electronic Control Unit (ECU). However, scientific studies on this particular topic are still limited. Therefore, the purpose of this research is to examine the effect of the aftermarket Juken 5 ECU on the…
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Artikel Jurnal
STUDI PERANCANGAN KAPAL PUSKESMAS KELILING UNTUK MENUNJANG PELAYANAN KESEHATAN DAERAH PESISIR KABUPATEN LEMBATA
The sinking of the floating hospital ship Dr. Lie Dharmawan has hampered health services several operational areas, one of which is Lembata Regency. Health services via ships are very much needed in Lembata Regency because many coastal areas still do not get maximum health services. The purpose of…
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Artikel Jurnal
PERANCANGAN ROBOT BERODA DENGAN SISTEM KENDALI BERBASIS IOT DAN GUI MENGGUNAKAN SMARTPHONE ANDROID
A Wheeled Mobile Robot (WMR) is a robot that is often used for transporting a good in the industry. This study was conducted to integrate WMR with the Internet of Things (IoT) to control robots remotely, whereas wheeled robots with a DC motor driving power. Graphical User Interface (GUI) is applied…
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Artikel Jurnal
ANALISIS KEKUATAN IMPACT DAN MODEL PERPATAHAN KOMPOSIT POLYESTER BERPENGUAT SERAT ALAM IJUK
The objective of this study is to find significant differences in impact forces between continuous, discontinuous, and woven fiber type of polyester composites with natural palm fibers and to find out the description of the microfracture structure. This study used experimental methods with…
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Artikel Jurnal
TINJAUAN PENGEMBANGAN MATERIAL BERBASIS BARIUM TITANAT, KOMPOSIT PVDF/BATIO3 DAN BATIO3/HAP UNTUK APLIKASI ELECTROSTATIC DIELECTRIC ENERGY STORAGE CAPACITOR
Barium titanate (BaTiO3) is ceramic material that is widely used in various applications..Electrostatic dielectric energy storage capacitor is one of the application of Barium titanate (BaTiO3) material. Composite materials based on barium titanate (BaTiO3) such as Polyvinylidene fluoride…
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Artikel Jurnal
KINERJA DAN EMISI MESIN DIESEL 1 SILINDER BERBAHAN BAKAR CAMPURAN BIODIESEL NYAMPLUNG DAN ETANOL
Research has been carried out on the effect of biodiesel and ethanol fuel mixtures on diesel engine performance and emissions. Ethanol (C2H5OH) is a type of alcohol that can improve the characteristics of biodiesel. The effect of ethanol on engine performance was investigated by adding B30 (a…
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Artikel Jurnal
PERANCANGAN METODE MACHINE LEARNING BERBASIS WEB UNTUK PREDIKSI SIFAT MEKANIK ALUMINIUM
The main objective of this research is to design a web-based machine learning model that can predict the mechanical properties of aluminum based on its chemical composition. By inputting nine variables of chemical elements such as Al, Mg, Zn, Ti, Cu, Mn, Cr, Fe, and Si, the model is able to provide…
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Artikel Jurnal
PEMETAAN KOROSIFITAS ATMOSFER MENGGUNAKAN LOGAM BAJA KARBON RENDAH DAN KARBON TINGGI PADA WILAYAH KOTA SURABAYA
Corrosion of metals is inevitable. One of the factors that affect corrosion is environmental conditions that contain pollutants like SO2, NO2, and Cl- which are found in many industrial and seaside areas. Surabaya is an area that has 2 types of conditions. In addition, Surabaya is the capital of…
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Artikel Jurnal
PENGECORAN ALUMINIUM MATRIKS KOMPOSIT BERPENGUAT CARBON NANOTUBE (CNT) DENGAN VARIASI PENAMBAHAN SERBUK MAGNESIUM
Aluminum matrix composite reinforced CNT have been developed to improve the mechanical properties of aluminum. In this study, the melting of Aluminum 1100 reinforced Carbon Nanotube (1 wt.% CNT) with variations in the addition of Magnesium powder was carried out by the slurry-based method. The…
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Artikel Jurnal
THE EFFECT OF PYROLYSIS DURATION ON THERMAL CONDUCTIVITY, STABILITY, AND VISCOSITY OF DISPERSED PCB-BASED PARTICLES IN THERMAL FLUID
Solid particles have a higher thermal conductivity compared to a fluid. Therefore, it is a common practice to disperse solid particles inside a base fluid to increase its thermal conductivity. The particle-dispersed fluid is called a thermal fluid. Thermal fluid, such as a coolant, is widely used…
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Artikel Jurnal
PERANCANGAN SISTEM HIDROLIK PADA MESIN PRESS BAMBU LAMINASI
The hydraulic system is a power transmission system by using the compressive energy of the fluid into mechanical energy to obtain a power greater than the initial power released. The press machine is one of the pieces of equipment that apply the hydraulic system. In the process of making laminated…
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Artikel Jurnal
PENINGKATAN SUHU KRITIS PADA SINTESIS BAHAN SUPERKONDUKTOR MAGNESIUM DIBORIDA DENGAN VARIASI UKURAN PARTIKEL SERBUK MG
Studying the evolution of the MgB2 superconductor manufacturing process to improve critical temperature is important. The solid-state approach was used in this work to create a low-cost MgB2 superconductor. Variations in the purity of Boron were used as control parameters to evaluate the impact of…
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Artikel Jurnal
PENGARUH GEOMETRI DAN PENAMBAHAN JUMLAH SIRIP TERHADAP DISTRIBUSI TEMPERATUR HEAT SINK SEBAGAI ALTERNATIF PENDINGINAN PADA PIRANTI ELEKTRONIK
This study aims to determine the effect of the geometry shape of the copper material heat sink fins on the surface temperature distribution of the heat sink. The material used in this research is pure copper, the shape of the heat sink fins is made rippled with the addition of the number of fins 5…
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Artikel Jurnal
ANALISIS SURFACE HARDNESS ALUMINUM 6061 HASIL GAS NITRIDING DENGAN VARIASI HOLDING TIME
The nitriding coating process is widely applied in the industry. Gas nitriding is a technique used to improve the mechanical properties of a metal. This study aims to determine the influence of holding time variations on surface hardness and diffusion depth in aluminum alloy 6061 (Al-Mg-Si) that…
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Artikel Jurnal
KARAKTERISTIK PEMANEN DAYA LISTRIK BERBASIS GETARAN STRUKTUR
Mechanical vibration is a potential source of micro-electrical energy harvesting mechanisms for micro electrical power supply for IoT system networks, wireless and sensors where the power requirements are relatively lower and available independently. In this study, the characteristics of the…
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Artikel Jurnal
ANALISA KECEPATAN SLUG ALIRAN DUA FASE DI DOWNSTREAM T-JUNCTION MINICHANNEL HORIZONTAL DENGAN RADIUS BELOKAN (r/dh) 0.7
Uneven distribution of the phases between in the main channel when two-phase flow passes through the T-junction it can cause the formation of slug flow which affects performance in the downstream area. The slug is formed due to the acceleration of the gas phase moving towards an average or stable…
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Artikel Jurnal
STRESS CORROSION CRACKING SAMBUNGAN LAS CDW SS 316L DAN ASTM A36 DALAM VARIASI SUHU LINGKUNGAN KOROSIF FeCl2
Stress Corrosion Cracking (SCC) is known as a trigger for material failure, especially in Dissimilar Metal Welding (DMW). Although DMW promises wide application in structural design, it is found that there is high SCC mitigation making it prone to failure. Capacitor Discharge Welding (CDW) is one…