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Artikel Jurnal
POTENSI PEMBANGKIT LISTRIK TENAGA AIR HUJAN PLTAH SEBAGAI SUMBER ENERGI LISTRIK PIRANTI ELEKTRONIK RUMAH TANGGA
Bibliometric analysis studies of researchers about the use of rainwater as electrical energy are still very few. There is still no utilization of rainwater which is directly used for electrical energy. Analysis of the capacity of the electrical energy requirements of electronic devices shows that…
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Artikel Jurnal
PERBANDINGAN PENGGUNAAN KONDENSOR BERPENDINGIN UDARA DENGAN KONDENSOR BERPENDINGIN AIR PADA LEMARI PENDINGIN
Refrigerators are one of the common machines for Indonesian people. Refrigerators can be used to store foods and ingredients for longer shelf life. The temperature in the refrigerator and freezer is low because the heat is absorbed by the evaporator and then released into ambient air through the…
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Artikel Jurnal
DEVELOPMENT OF MASSAGE CHAIR MADE OF CARDBOARD MATERIALS: DESIGN, FABRICATION, AND STRENGTH EVALUATION
This study aims to design and fabricate a prototype of massage chair made of corrugated cardboard materials and evaluate its structural strength. It could be a pioneering study as no one had manifested or discussed it before. The prototype is currently made with dimensions of approximately 60 ´ 50…
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Artikel Jurnal
EFEK METODE FABRIKASI TERHADAP SIFAT MEKANIK PADA MATERIAL KOMPOSIT SANDWICH 3C3 KARBON UD 12 K 0°/DIVINYCELL CORE
Sandwich composites are engineering materials that can be optimized and replaced with metals, mainly applied in aircraft fields because of their high strength-to-weight ratio. The quality of the composite sandwich structure depends on which fabrication method is applied. The methods used in this…
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Artikel Jurnal
ANALISIS PENGARUH MEDAN MAGNET TERHADAP UKURAN ATOMISASI BAHAN BAKAR CAMPURAN GASOLINE DAN BIOETANOL
The atomization process plays a very important role because the success or failure of combustion in the combustion chamber is influenced by the size of the liquid fuel mist. The occurrence of good atomization from atomized is determined by the size of the fuel droplets and the size of the nozzle…
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Artikel Jurnal
UJI EFISIENSI ANODA KORBAN PADUAN ALUMINIUM DAN ZINC MENGGUNAKAN STANDAR UJI DNV RP-B401 TERHADAP VARIASI TEMPERATUR ELEKTROLIT
Corrosion is a decrease in metal quality caused by electrochemical reactions with the surrounding environment. Corrosion is destructive, dangerous, and can cause great losses. Corrosion cannot be stopped but its rate can be controlled. There are many methods that can be used to control the rate of…
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Artikel Jurnal
ANALISIS EKSPERIMENTAL PENGARUH BELOKAN TAJAM DAN SUSUNAN PIPA TERHADAP PERPINDAHAN PANAS PADA SOLAR WATER HEATER
Hot water is water that has a temperature above the human body's temperature, which ranges between 37-100°C. The demand for hot water keeps increasing, especially for bathing purposes, as bathing with hot water is more comfortable and can help relax the body. Typically, hot water is obtained by…
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Artikel Jurnal
ANALISIS PENGARUH BENTUK LUBANG TERHADAP KARAKTERISTIK PERPINDAHAN PANAS PADA MENARA PENDINGIN TIPE PLAT DATAR BERLUBANG BERTINGKAT
Cooling tower is one of the most widely used cooling systems in the industrial world. A cooling tower is a series of heat exchange devices that use working fluids, such as water and air, to act as a cooling medium by coming into direct contact with the air, causing a small portion of the water to…
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Artikel Jurnal
OPTIMASI PARAMETER PROSES 3D PRINTING TERHADAP KELENGKUNGAN SOFT PNEUMATIC GRIPPER DENGAN MENGGUNAKAN FILAMENT EFLEX
The emergence of 3D Printing technology has influenced several industries.3D Printing quickly produced mechanical components and prototype products with low production volumes. This research uses Cartesian DIY (Do It Yourself) 3D Printer and Eflex filament as material. This study aims to obtain the…
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Artikel Jurnal
PENGARUH PERSENTASE ZIRCONIA BALL TERHADAP VOLUME MILL JAR PADA PROSES PENGHALUSAN SERBUK KERAMIK ALUMINA DENGAN ALAT HORIZONTAL BALL MILL
Research has been conducted on the effect of Zirconia Ball on the volume of Mill Jar in the process of smoothing Alumina ceramic powder with Horizontal Ball Mill tool. The research was conducted by adjusting the percentage variation of Zirconia Ball by 30%, 40%, 50%, 60%, 70%, and 80% of the Mill…
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Artikel Jurnal
DESIGN AND TEST THE PERFORMANCE OF THE WATER HEATER BY UTILIZING THE EXHAUST HEAT OF THE LABORATORY SCALE AIR CONDITIONER
The purpose of this research is to design and test the performance of a water heater unit that works based on the exhaust heat of the ½ PK Split Air Conditioner condenser which will be used as a power source to heat water with a capacity of 60 litres based on standard hot water temperature. for…
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Artikel Jurnal
INVESTIGASI LAJU REGANGAN CREEP BAJA TAHAN KARAT FERRITIC PADA TEMPERATUR 570 °C
The probabilistic assessment of failure due to the creep phenomenon must be determined with the minimum deviation. Since the creep failure took years before rupture, laboratory experiments were conducted to represent the failure time. However, the laboratory results are only an empirical approach…
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Artikel Jurnal
PERANCANGAN ALAT PENCEKAM UNTUK PEMESINAN POLYURETHANE FOAM PADA PROSES FACE MILL CUTTING MESIN CNC ROUTER 3 AXIS DENGAN METODE VDI 2221
Due to the highly brittle structure of polyurethane (PU) foam, a specialized clamping mechanism is required to consider the material's strength and hardness to avoid damaging the workpiece and to withstand the cutting forces during milling and machining. Using a polymer as an alternative for…
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Artikel Jurnal
STUDI NUMERIK EFEK LETAK AIR SUPPLY DIFFUSERS DAN AIR RETURN GRILLES PADA DISTRIBUSI TEMPERATUR DAN KECEPATAN UDARA DI BUS
The purpose of air conditioning system in the vehicle is to provide comfort for passengers. To achieve this, it is required to investigate the air flow and temperature distribution in the passenger area. This study aims to find the effect of layout variations of the air supply diffuser and air…
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Artikel Jurnal
GEOMETRIC DESIGN OF CROWN WORM GEAR WITH STRAIGHT-LINED BLADE PROFILE
Applications for worm gear drives are common in industry. The crown worm drive is a new kind of inventive worm drive that has just been proposed. Nevertheless, no prior research has been done on the geometric design of crown worm gears with straight-lined blade profiles. On the other hand…
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Artikel Jurnal
OPTIMIZATION OF TENSILE STRENGTH OF EMPTY OIL PALM FRUIT BUNCH FIBER REINFORCED COMPOSITES USING GENETIC ALGORITHMS
The use of natural materials such as oil palm empty fruit bunch fibers can provide a solution to increase value-added and manage plantation waste. Fibers are combined with a matrix to create composite materials. Instead of glass fibers, environmentally friendly natural fibers serve as the…
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Artikel Jurnal
UJI KUALITAS BRIKET ARANG DARI SEKAM PADI DAN SERBUK KAYU SEBAGAI BAHAN BAKAR ALTERNATIF
The availability of sawdust and rice husks is abundant, so the utilization of these wastes in the South Kalimantan region is very profitable. Apart from that, there are several references that mention rice husk waste and wood dust as prospective biomass sources. In this research, the process of…
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Artikel Jurnal
TECHNO-ECONOMIC ANALYSIS OF BOILER WASTE HEAT-BASED BIOMASS DRYING SYSTEM OF A COAL COFIRING POWER PLANT
This research aims to find the optimal operating pattern in a rotary dryer type biomass drying system with the heating medium from exhaust gas leaving the boiler. This heating medium is believed to provide high profits because it does not require additional energy. However, the lowest moisture may…
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Artikel Jurnal
STUDI IDENTIFIKASI PASANGAN COMMERCIALLY PURE TITANIUM DAN UHMWPE UNTUK APLIKASI MATERIAL IMPLAN LUTUT
Orthopedics is a science that studies the human body skeleton. This field of science helps patients who experience joint and skeletal problems. One of the problems faced is the need for body frame components to be replaced, for example the knees. This replacement requires a man-made component…
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Artikel Jurnal
PENGARUH PARAMETER PEMESINAN TERHADAP KEKASARAN PERMUKAAN AI6061BE PADA PEMESINAN CNC MINI 500 WATT MENGGUNAKAN PAHAT KARBIDA STRAIGHT ENDMILL
The role of automatic machining with the help of computer programming such as Computer Numerically Controlled (CNC) has become commonplace today in both large and small industrial sectors or micro industry. CNC is a manufacturing process where previously programmed computer software is converted…