710 results
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Journal Article
Studi Eksperimental Pengaruh Jumlah Sudu terhadap Daya pada Turbin Angin Sumbu Vertikal Tipe Rotor Crossflow untuk Optimalisasi Angin di Wilayah Pantai Kota Balikpapan
Wind energy was one of the renewable energy alternatives with the biggest potential in Indonesia to be used as a power plant. Balikpapan is an area with extensive coastal areas with great wind potential. Vertical Axis Wind Turbine (VAWT) is an upright axis wind turbine whose movement of the shaft…
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Journal Article
Modifikasi Perilaku Dinamik Struktur dengan Massa Terkonsentrasi
One of the vibration problems that occurs at mining industries is when they increase production capacity as happen in the PT.Freeport Indonesia, and then we need to install a new machine with new rotary speed, so that it will increase the speed of rotary machine on the conveyor, if the speed of…
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Journal Article
Rancang Bangun dan Uji Performa Sistem Kendali Pemberian Fluida Permesinan MQL Berbasis Arduino
In machining excessive use of cutting fluid can have a negative impact to the enviroment. An alternative to overcome this problem is by using the minimum quantity lubrication method (MQL). In MQL method the cutting fluid is flowed by compressed air. This research aim to design and implement an…
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Journal Article
Penjadwalan Perawatan dengan Metode Campbell Dudel Smith (CDS) untuk Meningkatkan Produksi Mesin Recycle Waste Tembakau
The Campbell Dudek Smith (CDS) method is commonly used by large companies to help them make Flowshop schedules. The purpose of this study is to design a more effective maintenance scheduling sequence in order to increase the amount of production with the most efficient use of time without having to…
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Journal Article
Pengaruh Jenis dan Ukuran Biomassa terhadap Proses Gasifikasi Menggunakan Downdraft Gasifier
Biomass is alternative energy. This research was conducted to determine the effect of biomass type and size on the gasification process using a downdraft gasifier. Sengon and mahogany woods were used as the feedstock. The study began by conducting a proximate test of biomass feedstock to find out…
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Journal Article
Pengaruh Penambahan Langkah Kerja terhadap Unjuk Kerja Motor Bakar
The duration of fuel-air diffusion in the 4 stroke combustion engine is relatively short, which is 0.02 seconds at 3000 rpm so that at high rotation the level of homogeneity of the fuel-air mixture becomes low. The addition of steps in a 4 stroke combustion engine to a 6 stroke combustion engine is…
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Journal Article
Karakteristik Pembakaran Wood Pellet Stove dengan Variasi Geometri dan Blockage Ratio Flame Connector
This research was intended to investigate the effect of the geometry and blockage ratio of the flame connector on the combustion characteristics of wood pellets on a wood pellet stove. Combustion characteristics observed in this research included flame visualization, flame temperature, specific…
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Journal Article
Pengaruh Derajat Pengapian terhadap Kinerja Motor Bakar 6 Langkah Berbahan Bakar Etanol
The six-stroke spark ignition engine has the potential to be developed as a new alternative to future motor fuel technology. The development of motor vehicles will be directly proportional to the use of rising fossil fuels. It is, therefore, necessary to have renewable alternative fuel, in which…
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Journal Article
The Influence of Iron Concentration on the Mechanical Properties of A356 Al Alloy for Car Rims Application
A356.0 aluminum-silicon alloy is a base material for car rims application. Car rims are critical components for a vehicle as they carry the load of the passengers, goods, and the weight of the vehicle itself, therefore they should be sufficiently strong to withstand the vertical load, fatigue load…
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Journal Article
Analisa Struktur Mikro dan Kekuatan Bending Sambungan Las TIG dengan Perbedaan Kuat Arus Listrik pada Logam Tak Sejenis Aluminium Paduan 5052-Baja Galvanis dengan Filler Al-Si 4043
This study aims to determine the various effect of heat input due to varied electric current on microstructure of the weld joints and the bending strength of 2 dissimilar metals (aluminum alloy 5052 and galvanized steel) with Al-Si 4043 as filler. This experimental research was worked out by…
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Journal Article
Pengaruh Kedalaman Sudu Mangkok terhadap Unjuk Kerja Turbin Kinetik
The purpose of this study was to determine the effect of depth variations of the bowl blade on the performance of kinetic turbines. The test has conducted experimentally on a laboratory scale. In this study three vertical shaft, kinetic turbines were used with blade depth variations of 2 cm, 3 cm…
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Journal Article
Karakteristik Perpindahan Panas Alat Penukar Kalor Tipe Staggered Fins Berisi Material Fasa Berubah dari Minyak Kelapa pada Proses Pembekuan
Indonesia, located in the tropics, has a dependency on air conditioners to obtain the thermal comfort of the room. This phenomenon resulted in the electricity consumption of the building increased significantly. On the other hand, Indonesia has the potential for cold air at night that is in the…
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Journal Article
Pengembangan Proses Gerinda Silinder Permukaan Luar
The abrasive machining process is called the grinding process using a wheel grinding. The process of abrasive machining is usually in the final stages of making a product or finishing product so that it becomes essential in making products because it determines the final quality of a product. The…
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Journal Article
Pengaruh Tegangan dan Waktu pada Proses Elektropolishing terhadap Surface Roghness Material Stainless Steel AISI 316L
The purpose of this work is to reveal the surface roughness and topography of AISI 316L stainless steel due to electropolishing processes. In this paper, AISI 316L was electropolished in various times of immersion and various voltage of the processes. The mechanism of electropolishing is eroding…
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Journal Article
Analisis Getaran pada Screw Compressor Akibat Pengaruh Putaran Rotor
The air compressor engine is becoming a requirement for both large and small industries production machines instead of the drive system of the driven motor becomes pneumatic. In a pneumatic drive system requires certain air pressures are adjusted to the needs of the industry. Compressor engine…
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Journal Article
Atmega Microcontroller 2560 Based Safety System of Monitor Panel and Controller on a Small Excavator
This study aimed to design and build an Atmega Microcontroller 2560 based safety system on a monitor panel and a controller on a small excavator. Atmega 2560 Microcontroller-based alarm technology is the right choice as a solution to prevent theft of monitor panels and controllers on small…
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Journal Article
Desain dan Konstruksi Mesin Penyemai Benih Sayuran Portabel Tipe Vakum untuk Pembibitan pada Talam Semai
In Indonesia, vegetable seeding technique in nursery plug trays still uses manual mechanism. Furthermore, the small size of vegetable seeds makes it difficult to allocate the seeds evenly (1 seed per planting hole). This study aims to design and construct a portable vegetable seeder with a…
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Journal Article
Pengaruh Parameter Pemotongan CNC Milling dalam Pembuatan Pocket terhadap Getaran dan Kekasaran Permukaan pada Crankcase Mesin Pemotong Rumput
The purpose of the research is to find and prove the influence of machining parameters on vibration and roughness in the pocket milling process. The experimental method is used to improve the quality of products produced by CNC milling, the parameters used in the study are spindle rotation speed…
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Journal Article
Precision Mold of Prototype Titanium Orthopedic Implant using Metal Injection Molding Approach
MIDC’s researchers in fulfilling Industry Development Programme have taken a step to develop technology in the design application of orthopedic implants to help suppress the rate of imported medical devices in Indonesia. This research objective was to make a prototype plate for a jawbone connector…
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Journal Article
Design and Analysis of a Dynamic Splint Based on Pulley Rotation for Post-Stroke Finger Extension Rehabilitation Device
The presence of rehabilitation tools is essential to more rapidly cure hand muscle disorders of people affected by stroke. One of the tools is a dynamic splint that is fit-sized, lightweight, comfortable to wear, and easy to operate. The paper proposes the design and analysis of new dynamic splints…