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Artikel Jurnal
Pengaruh Diameter dan Kecepatan Kipas Kondensor terhadap Suhu AC Mobil
The efficiency of the Air Conditioning (AC) system in a car depends on the process of compression, condensation, and evaporation. The new thought that arises is what if the diameter of the condenser fan blade is varied? The objectives of this study are: (1) to test the effect of the diameter of the…
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Artikel Jurnal
Pengaruh Variasi Diameter Lubang dan Bentuk Profil Elektroda serta Jumlah Pelat Netral terhadap Produksi Brown Gas
Electrolysis is a process of decomposing water molecules (H2O) into hydrogen (H2) and oxygen (O2) with the help of electrical energy as a trigger for the process. In the electrode process, it takes two electrodes to be placed in water. Electrolysis reaction is a redox reaction, in which the…
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Artikel Jurnal
Evolusi Sistem Bahan Bakar LPG: Tinjauan Literatur
This article presents an analysis of the development of fuel system technology in Liquified Petroleum Gas (LPG) vehicles compared to the development of a fuel system in a gasoline engine. We found that over the past 100 years of using LPG as an alternative fuel, there have been changes in LPG kits…
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Artikel Jurnal
Pengaruh Penggunaan Katalis Kalium Hidroksida pada Campuran Minyak Nabati dan Air terhadap Produksi Hidrogen dengan Menggunakan Metode Steam Reforming
Steam reforming is a process of hydrogen formation through the process of vaporization of vegetable oil and water at a certain heating temperature using a catalyst, so the chemical reaction is occurred and produced hydrogen gas. The catalysts used is potassium hydroxide (KOH) in the amount of 1…
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Artikel Jurnal
Analisis Pengaruh Bahan Bakar Alternatif pada Lemari Pengasap Ikan terhadap Kualitas Produk Hasil Asapan
This study was conducted to determine the effect of the amount of fuel in the combustion chamber on the fish smoking kiln to temperature and temperature distribution in the smoke room as well as the quality of the smoked fish.This study used 3 types of fuel those are dry coconut shell, coconut…
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Artikel Jurnal
Pengaruh Waktu dan Tekanan Gesek terhadap Kekuatan Tarik Sambungan Paduan Aluminium dan Baja Karbon pada Pengelasan Gesek Continuous Drive
The objective of this research was to investigate the effect of friction time and friction pressure on the tensile strength of the joining of two dissimilar materials, aluminum alloy AA6061 and carbon steel, with continuous drive friction welding process. Variations of friction times of 5 seconds…
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Artikel Jurnal
Optimasi Parameter Quenching dan Tempering pada HRP Steel Lokal sebagai Baja Armor Nasional
Armor steel is a high strength and hardness steel that used to protect against damage by an object, individual or vehicle from the direct pressure of projectile. In Indonesia, this steel is made of hot rolled plate steel and heat treated by quench and temper, the result is Quenched & Tempered…
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Artikel Jurnal
Analysis of Temperature Distribution and Rate of Heat Transfer on Cooling System (Simulation) Using Porous Media
Science and technology continue to innovate to overcome the problem of cooling systems that often arise from heat generated by the engine and how to improve engine cooling function. The porous media system provides a solution for heat transfer with porous media capable of enhancing heat transfer…
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Artikel Jurnal
Tensile Strength and Macro-microstructures of A6061 CDFW Weld Joint Influenced by Pressure and Holding Time in the Upset Stage
This paper aims to analyze the effect of pressure and holding time in the upset stage on tensile strength and macro-microstructures of continuous drive friction welded (CDFW) joints of aluminum alloys A6061. Friction weld specimens were welded using variations of upset pressure (40, 80, 120 MPa)…
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Artikel Jurnal
Optimasi Load Frequency Control (LFC) Pada Sistem Pembangkit Listrik Tenaga Mikro Hidro Berbasis PID-ANFIS
Microhydro Power Plant is a small-scale power plant.Microhydro plants are built in areas where there is no power grid.In areas with sufficient water potential to generate electrical energy.The problem that often occurs in the micro-hydro generator system is the occurrence of non-constant…
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Artikel Jurnal
Engine Combustion Efficiency and Performance of Exhaust Pipe Fuel Preheating System
The Exhaust Pipe Preheated Fuel System (EP2FS) is a fuel preheating system that utilizes wasted heat from the muffler. Fuel heating aims to improve the homogeneity of fuel and air mixtures to improve the combustion process in the engine. Making EP2FS requires careful design and calculation because…
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Artikel Jurnal
Optimasi Frekuensi Kontrol pada Sistem Hybrid Wind-Diesel Menggunakan PID Kontroler Berbasis ACO dan MFA
The power of the generating system is strongly influenced by frequency changes. The wind generating system is strongly influenced by the magnitude and speed of the agin as input power. The wind-diesel combined generating system is required to obtain optimum power quality. The hybrid swarm system is…
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Artikel Jurnal
Pengaruh Dimensi terhadap Volume Gas HHO dan Daya Listrik pada Proses Elektrolisis
The electrode area have an effect on HHO gas production volume, this phenomena influenced by electric power absorbed from the energy source to the electrode. It is necessary to examine how much the influences on process of the water electrolysis. In this research the effect of the electrode total…
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Artikel Jurnal
Studi Numerik Pembakaran Butana (C4H10) dalam Meso Scale Combustor dengan Perforated Plate
This research was conducted to determine the combustion stability and flame temperature inside meso-scale combustor with variations of perforated plate flame holder and combustion gas temperature at combustor exit side using numerical method or Computational Fluid Dynamics (CFD). Meso-scale…
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Artikel Jurnal
Unjuk Kerja Reflektor Radiasi Panas dengan 1 Baris Sirip terhadap Efisiensi Kompor LPG
It has been known from the previous researchers that the use of the heat radiation reflector can improve the efficiency of the LPG stoves. Based on the radiation theory, the radiation energy is emitted radially in all directions. Therefore, a kind of method to guide the heat radiation is required…
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Artikel Jurnal
Pemanfaatan Panas di Pipa Tekanan Tingggi pada Mesin Pendingin (AC)
The purpose of this research is to know the design of AC cooling machine system by using water cooling media in condenser, to know the influence of cooling water media on condenser to cooling machine performance (AC), to know COP cooling capacity based on the addition of water cooling media in…
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Artikel Jurnal
Efisiensi Sistem Pemanasan Air dengan Penerapan Selubung Bertingkat pada Perforated Burner
One of the causes of inefficiency in the heating system by using a gas stove is radiation heat transfer. The application of stratified sheath is expected to reduce the heat loss. In this study an investigation conducted on a gas stove type perforated burner, by adding a stratified sheath. The…
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Artikel Jurnal
Desain Manufaktur Bracket Aluminium
Machining is one of the processes in a manufacturing of a product. Manufacturing design is needed for improving the quality of a product. The desired manufacturing process is the achievement of a product with a smooth level of roughness and a short time. Bracket is one component of a series of…
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Artikel Jurnal
Unjuk Kerja Turbin Air Kaki Angsa Next-G dengan Variasi Lebar Sudu dan Jumlah Kaki Sudu Menggunakan Pendekatan Komputasional
This study to determine the efficiency of next-G geese foot turbine, the Angled Watermill is utilized in rural or remote areas, with potential rivers and local people to easily adapt the material. It is necessary to design a new turbine that can able to extract energy from free fluid flow or zero…
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Artikel Jurnal
Analisa Perpindahan Panas dan Pressure Drop Fluida Nano Al2O3-Air Proses Pendinginan dengan Metode Simulasi
Conventional heat transfer system is unable to absorb heat well. Various methods have been done to enhance heat transfer. One of them is the method by using nanofluid which has been done by many researchers; due to the better thermal performances compared to base fluid. The research aims to observe…