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Artikel Jurnal
HELICAL TUBE HEAT EXCHANGER DESIGN FOR MILK PASTEURIZATION PROCESS WITH HIGH TEMPERATURE SHORT TIME
The most common issue facing by the beverage industry is to maintain the cleanliness of a product. It is very important to note, especially for milk pasteurization process to kill bacteria, thus a heat exchanger is required. Heat exchanger is a device that allows heat transfer between two fluids of…
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Artikel Jurnal
KARAKTERISASI KEKERASAN DAN KEKUATAN TARIK BAJA TAHAN KARAT SS304 DENGAN VARIASI ELEKTRODA LAS BUSUR LISTRIK
This study examines the hardness and tensile strength characterization of SS304 stainless steel welded using different electrode variations in the Shielded Metal Arc Welding (SMAW) process. The research focuses on three types of electrodes: NSN 308, NSN 309L, and NSN 312, to evaluate their…
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Artikel Jurnal
DESIGN BACK PROPAGATION NEURAL NETWORK (BPNN) – PID OF ACTIVE AIR SUSPENSION BASED ON HALF CAR MODEL AT PLUG-IN HYBRID ELECTRIC VEHICLE (PHEV)
A Plug-In Hybrid Electric Vehicle (PHEV) is a car with a combination of an electric motor and an internal combustion engine (ICE). The implementation of active air suspension in this research uses a half car model. Mathematical modeling is used to obtain system responses such as body displacement…
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Artikel Jurnal
OPTIMASI DESAIN SHELL AND TUBE HEAT EXCHANGER TIPE SINGLE SEGMENTAL BAFFLE DENGAN VARIASI JUMLAH BAFFLE DAN POTONGAN BAFFLE MENGGUNAKAN METODE COMPUTATIONAL FLUID DYNAMIC
The heat exchanger is a device used to transfer heat between two process streams. In general, the flow that occurs in shell and tube heat exchangers is parallel flow or counter flow. To change the flow in the shell and tube heat exchanger into the cross flow, baffles can be added. The ideal cutting…
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Artikel Jurnal
STUDY OF UTILIZING PINEAPPLE LEAF EXTRACT FOR THE GREEN SYNTHESIS OF FE3O4 AND ITS IMPREGNATION ON OIL PALM (EFB)
The formation process of Fe3O4/EFB fiber was carried out by synthesizing FeCl3.6H2O and pineapple leaf extract using the green synthesis method. Pineapple leaf extract contains hydroxyl, carbonyl, and amine functional groups that can act as reductants and capping agents for the synthesized metal…
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Artikel Jurnal
ANALISIS PENGUJIAN STATIS MOTOR MATIC 110 CC MENJADI MOTOR LISTRIK 2 KW
Electric motorbike conversion is one of the right solutions to reduce carbon emissions, alternative energy to replace depleting fossil fuels, reduce the impact of congestion and the expensive price of electric motorbikes. For this reason, information is needed in terms of proper planning, design…
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Artikel Jurnal
PURE PALM OIL SPRAY CHARACTERISTICS OF DIESEL FUEL INJECTOR
Diesel engines are widely used in many sectors due to their advantages of high energy density. To reduce emissions in diesel engines, a step that can be taken is to use renewable biofuel such as pure palm oil, which has a high viscosity and is difficult to get a fine atomization process in fuel…
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Artikel Jurnal
OPTIMALISASI MATERIAL DAN PROFILE REINFORCEMENT BEAM GUNA MENINGKATKAN ENERGI SERAP BENTURAN BERBASIS SIMULASI FEM
Bumpers are critical structures in passenger vehicles, designed to absorb low-speed impact energy. This study examines the effect of profile combinations (C-Hat and Double-Hat Section) and materials (Steel Bare/E.G.-H.F.80Y 100T, CFRP T700S, Aluminium 2024-T86) on MPV bumper reinforcement beam…
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Artikel Jurnal
NUMERICAL ANALYSIS OF MOUNTING BRACKET STRUCTURE ON THE DAMPING EFFECT OF STABILIZER STEERING DAMPERS
Due to bumps or holes in the road, certain regions' road surface is still unsuitable for riding at high speeds. Many motorcycles used stabilizer steering dampers to reduce weave and wobble. Bracket is a structure that holds the stabilizer steering dampers to the motorcycle steering. Bracket plays a…
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Artikel Jurnal
EVALUATION OF GEOMETRIC ERROR OF CUSTOMIZED CNC MILLING MACHINE TOOLS ACCORDING TO ISO 10791-7
Due to open technology, there exists an abundance of inexpensive information accessible for study. One such piece of information pertains to customization or do-it-yourself (DIY) CNC milling machines. However, customized milling machines often suffer from several limitations, including a lack of…
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Artikel Jurnal
RANCANG BANGUN MESIN PERAJANG SINGKONG DENGAN SISTEM PENGATURAN KETEBALAN IRISAN DAN KECEPATAN
The cassava chopper machine is one of the appropriate technologies used by small and medium enterprises. The results of the literature study and observation show that there are several issues, such as the ease of adjusting the thickness of the slices. The study aims to design a chopper machine…
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Artikel Jurnal
INVESTIGASI EKSPERIMENTAL KARAKTERISTIK KEKUATAN TARIK PADUAN RESIN FLEKSIBEL-STANDAR UNTUK MATERIAL 3D PRINTING
Over the years, technologies of 3D printing have enhanced the opportunity to ease the production of complex geometries. In particular, it further implies that the flexibility of materials is of a great importance. Therefore, the works covering studies of applicability on novel materials in rapid…
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Artikel Jurnal
A REVIEW OF RAILWAY TRACKS MAINTENANCE OPTIMIZATION THROUGH RAMS METHOD
Railway tracks are complex assets that require a comprehensive and integrated management approach to improve service quality in the era of modernization of the railway industry. The RAMS (Reliability, Availability, Maintainability, and Safety) method is one of the approaches used in managing…
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Artikel Jurnal
MATHEMATICS MODELLING AND EXPERIMENTAL STUDY THE EFFECT OF VORTEX WATER TURBINE BLADE DESIGN OF TURBINE EFFICIENCY
The current demand for electrical energy is crucial to support facilities and infrastructure across various sectors, including household, public, and industrial areas. In Indonesia, the reliance on fossil fuels for electricity generation remains high, contributing to significant emissions…
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Artikel Jurnal
KARAKTERISTIK BIOPLASTIK PATI SAGU (METROXYLON SP.) SETELAH PAPARAN CAHAYA ULTRAVIOLET
This study aims to explore the characteristics of sago starch (Metroxylon sp.) after exposure to ultraviolet (UV) light, using a local sago variety known as Tawaro. Sago starch underwent Heat Moisture Treatment (HMT) to achieve 0% water content. Furthermore, this sago starch was used as a raw…
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Artikel Jurnal
ANALISIS RELIABILITY KOMPONEN STASIUN PENGISIAN KENDARAAN LISTRIK UMUM (SPKLU) DENGAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA)
Air pollution remains a critical issue that requires prompt and effective resolution. One of the primary strategies to mitigate this problem is the promotion of electric vehicle (EV) usage. However, several challenges persist, including high initial investment costs, inadequate charging…
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Artikel Jurnal
ANALISIS FOTO MAKRO TERHADAP KEKASARAN BAJA ST 60 HASIL PEMBUBUTAN FACING DI MESIN CNC HARDINGE
Technological advances have made the manufacturing sector an industry that needs to develop and compete globally, one of which is CNC machines which produce quality products for industrial needs. In producing a material at CNC machine, the latest design software is needed, namely Autodesk Fusion…
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Artikel Jurnal
RANCANG BANGUN ALAT UJI UNJUK KERJA TURBIN ULIR DENGAN SISTEM AKUISISI DATA UNTUK MEDIA PEMBELAJARAN PRAKTIKUM TURBIN AIR
To facilitate students' understanding of the types of water turbines, how they work, and the parameters that affect the performance of water turbines, it will be easier if the water turbine is made on a laboratory scale so that students can observe directly and students can change some parameters…
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Artikel Jurnal
STRUCTURAL ANALYSIS OF SEMI-SUBMARINE MONOHULL SHIP FOR TOURISM APPLICATIONS BY USING FINITE ELEMENT METHOD
The research assesses the structural integrity of a semi-submersible monohull glass-bottom vessel designed for tourism, featuring a hull length of 9 meters. Finite Element Analysis (FEA) was employed to simulate five loading scenarios: full load, 75% capacity, 50% capacity, 25% capacity, and no…
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Artikel Jurnal
NUMERICAL ANALYSIS OF GILL AND COOLING DUCT ADDITION ON SIDEPOD OF FORMULA STUDENT RACING CAR TYPE
Formula Student SAE (FSAE) car is designed to optimize the engine performance to achieve maximum power. To get the maximum power, the work of the car is very vulnerable to over-heating problems. Prevention step of overheating problems can be done by optimizing radiator cooling system performance…