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Artikel Jurnal
RISK OF INJURY COMPARISON BETWEEN REGULAR AND KNUCKLE PUSH-UP BASED ON KINEMATIC PARAMETER ANALYSIS
Nowadays, it is difficult to access physical exercise facilities because people spent most of their time at work. Therefore, physical exercises that could be done with less equipment and space are more likely needed, and a push-up is one of them. There are several kinds of push-up which two are…
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Artikel Jurnal
PENGARUH SUDUT KEMIRINGAN TERHADAP PUTARAN DAN DAYA HIDROLISIS PADA TURBIN ARCHIMEDES SCREW PORTABLE
Picohydro Power Plant is one of the renewable energy sources which utilizes water or irrigation channels with a small head and flow rate. Many factors can affect the hydrolysis power and also the power on the rotation of the screw turbine, one of which is the turbine design. The existing turbine…
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Artikel Jurnal
RANCANG BANGUN ALAT KONVERSI PLASTIK MENJADI BAHAN BAKAR MINYAK DENGAN METODE PIROLISIS UNTUK PENANGANAN SAMPAH PLASTIK
The volume of plastic waste is increasing day by day, due to the lack of management technology and plastic is a non-biodegradable material. Plastic waste causes pollution to the environment and living things if left alone. Various efforts have been made to deal with plastic waste, but only cause…
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Artikel Jurnal
PENGARUH JARAK MISALIGNMENT DRIVE SHAFT COOLING TOWER TERHADAP TEGANGAN NORMAL DAN TEGANGAN GESER
The purpose of this study was to determine the effect of misalignment distance of Cooling Tower drive shaft on normal stress and shear stress. Tensions that occur on the shaft continuously for a long time cause the shaft to experience fatigue. The greater misalignment distance will not only damage…
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Artikel Jurnal
PERFORMA DESALINASI AIR LAUT TENAGA SURYA TIPE WICK METODE KAPILER
How to get clean water using the seawater desalination process into pure water in coastal communities. Basin is a sea water desalination tool in the form of a tub or bowl to hold sea water. The basin used in this study was shaped like a tub using a cover made of glass with a thickness of 0.003 m, a…
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Artikel Jurnal
STUDY OF ELECTROLESS NICKEL PLATING ON RAPID PROTOTYPING MODEL USING ACRYLONITRILE BUTADIENE STYRENE
Electroless plating on Acrylonitrile Butadiene Styrene (ABS) is a metallization process that involves a reduction and oxidation reaction between the nickel source and the substrate material. The purpose of this research is to determine the ability of nickel deposition in the nickel electroless…
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Artikel Jurnal
REKONSTRUKSI TULANG LUTUT MENJADI MODEL 3D IMPLAN FEMUR DENGAN METODE REVERSE ENGINEERING BERBASIS PEMINDAI X-RAY
In order to obtain the geometry and size of bone implants that match the patient's original bone from this study, the patient femur knee bone is reconstructed into a 3D femur implant model using an X-Ray data scanner during Reverse Engineering (RE) process. In the process of RE, the femur knee bone…
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Artikel Jurnal
DESAIN DAN ANALISIS NUMERIK RUANG BAKAR BRIKET SAMPAH ANORGANIK UNTUK PENGAPLIKASIAN PADA MIKROTURBIN GAS
The utilization of briquettes as a source of electricity generation is still low due to the briquette characteristics that have high moisture content. This research analyzes the briquette's potential as a source of electrical energy by utilizing its syngas with microturbine gas. The high quality of…
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Artikel Jurnal
EFEK HOLDING TIME PROSES AKTIVASI TERHADAP STRUKTUR PORI KARBON AKTIF DARI AMPAS KOPI SEDUH
Activated carbon has a high adsorption capacity due to its high porosity. The pore structure of activated carbon is largely affected by the chemical composition of the raw material and the parameters of the manufacturing process. This article aims to determine the pore structure of activated carbon…
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Artikel Jurnal
UTILIZATION OF BLACK STICKY RICE FOR BIOETHANOL PRODUCTION AS GASOLINE FUEL BLENDS FOR MOTORCYCLES
Despite possessing non-renewable properties, fossil fuel is still widely used as a major energy source. Subsequently, the fossil fuel demand has been increasing while the supply is depleting over time leading to an energy crisis. Fossil fuel also causes associated environmental problems such as…
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Artikel Jurnal
Simulasi Gaya Pemotongan pada Proses Bubut dengan Software Third Wave Advantedge
The cutting force that reacts to cutting tool and workpieces will result deflection. Deflection is the cause of product deviation and vibration sources that can shorten the life of the cutting tool. Simulation of machining process is carried out to get an estimate of cutting force in some machining…
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Artikel Jurnal
Pengaruh Waktu Pencampuran terhadap Kekerasan Vickers Material Crucible Berbahan Limbah Evaporation Boats, Kaolin dan Semen Tahan Api
Evaporation boat waste contains Boron Nitride (BN) and Titanium Diboride (TiB2) so that it has electrically conductive properties with high resistance to chemicals and heat. In addition, the combination of these materials has high thermal conductivity properties with a melting point of up to 2700oC…
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Artikel Jurnal
Analisis Statis Konstruksi dan Lance Tube Sootblower Tipe Motorised Rotary Menggunakan Software Solidworks 2016
Sootblower is a boiler support equipment that works to clean soot. Sootblower requires a strong construction to support the components in order to work optimally. Sootblower is also not free from several failures on its components, the main component that causes failure on the sootblower is the…
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Artikel Jurnal
Karakteristik Aerodinamika Pontoon Pesawat NXXX Versi Amfibi
Seaplanes are aircraft that can take off and landing on water. A seaplane’s requirement is its need to take off and landing on watery conditions which is equipped with a pontoon. Pontoon of a seaplane needs to be evaluated in terms of aerodynamics characteristics when a seaplane flies. The purpose…
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Artikel Jurnal
Wear of Medium Carbon Steel under Friction Loading with Various Contact Surface Temperature
The work presented in this paper is to investigate the wear rate and wear mechanism of medium carbon steel with carbon contents of about 0,5 wt.% under the friction load with various contact surface temperatures. The wear test was performed by using the linear reciprocating ball-on-flat wear test…
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Artikel Jurnal
Efek Intermolecular Forces: Perubahan Physical Properties pada Campuran Premium dan Bio-Additive Orange Peel
The addition of bio-additive in gasoline was needed in order to improve the anti-knock quality. The bio-additive used was orange peel in the form of essential oil. Nevertheless, it make any changes of fuel properties affecting standard compliances: physical properties, engine performances and…
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Artikel Jurnal
Pengaruh Panjang Rantai Karbon dan Derajat Ketidakjenuhan terhadap Karakteristik Pembakaran Droplet Asam Lemak Tunggal
This study aimed to investigate the effect of the different carbon chain lengths and the degree of unsaturation of six fatty acids as the constituent of vegetable oils. The droplet combustion was carried out at an ambient temperature and atmospheric pressure. The variation in the carbon chain…
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Artikel Jurnal
The Effect of Mass and Diameter of Waste Valves on the Efficiency of 3 inch Ram Hydraulic
This study aim to analyze the effect of the mass and diameter of the waste valve on the efficiency of hydraulic pumps. This study method was an experiment on the specimens and analyzing the mathematical equations contained in the hydraulic pump theory. The data measured in this study were the flow…
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Artikel Jurnal
Pengaruh Rasio I/D terhadap Permulaan Flooding dan Fluktuasi Voltase Sinyal Tekanan Rezim Flooding pada Geometri Kompleks
A nuclear power plant operation requires reliability safety systems. Therefore, an accidental scenario such as the LOCA becomes a specific attention. This relates to a countercurrent flow phenomenon which permits the occurrence of a flooding regime. This study aims to investigate the effets of I/D…
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Artikel Jurnal
Identifikasi Kerusakan Altenator Daihatsu Luxio dengan Metoda Fungsi Respon Frekuensi
Gasoline engines should sound soft, even tend to be minimal. But when the symptom of a rough sound emerged from the engine room, it was even more like a diesel sound that was quite loud. So that many customers have complained about the rough sound of their vehicle's engine when the engine is…