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Menampilkan 701–710 · 1,20 detik · RSS
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Artikel Jurnal
Performansi Purifikasi Biogas Dengan KOH Based Absorbent
The absorpstion of CO2 is aimed to increase the methane gas fraction in biogas. Enhancing methane fraction hopefully will increase the total energy of the biogas it self. The purification process of biogas minimizing another elements maintains combustion, especially minimizing H2O, CO2, and H2S…
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Artikel Jurnal
Pengaruh Variasi Lip Thickness pada Nozzle Terpancung terhadap Karakteristik Api Pembakaran Difusi Concentric Jet Flow
Nozzle shape greatly influence turbulence between the fuel, air and formation of flow recirculation zone to produce a homogeneous mixing and get a near-perfect combustion. The recirculation zone is area that caused by flow rate breakdown, causing vortex and backflow around the end of nozzle. This…
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Artikel Jurnal
Kecepatan Pembakaran Premixed Campuran Minyak Jarak - Liquefied Petroleum Gas (LPG) pada Circular Tube Burner
This study was conducted to determine the characteristics of premixed combustion of a mixture of castor oil - LPG on a circular tube burner. Percentage of LPG fuel in a mixture of jatropha curcas oil - LPG varied as much as 10%, 20%, 30%, and 40% of the mass flow jatropha curcas oil vapor…
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Artikel Jurnal
Analisis Pemodelan Sistem Hibrid Proton Conducting Solid Oxide Fuel Cell (pSOFC) – Turbin Gas Mikro Pada Matlab-Simulink
This study simulated Proton Conducting Solid Oxide Fuel Cell (pSOFC) – Micro Gas Turbine (MGT) hybrid system on three different configuration. The first configuration use bypass hot gas from combustor going to fuel heater without pass the turbine first. The second configuration use bypass hot gas…
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Artikel Jurnal
Optimasi Desain Gasket Karet Tipe Ring Profil C Flange Closed Groove dengan Metode Simulasi
Gasket is one of important part in piping system to prevent leakage, especially in connection between pipes. The purpose of this study was to determine the optimal design on C profile rubber gasket based on contact width considering contact stress. Design parameter in this study were lips thickness…
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Artikel Jurnal
Pemetaan Potensi Energi Angin di Perairan Indonesia Berdasarkan Data Satelit QuikScat dan WindSat
There were two kinds of monsoon winds in Indonesia. They are the east and the west monsoon winds. Both of them blow alternately in a year through the Indonesian territory. The velocity and energy of monsoon winds in Indonesian territorial sea were mapped by using MatLab program. The velocity and…
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Artikel Jurnal
Rakayasa Sistem Informasi Manajemen Perakitan Berbasis Group Technology untuk Mendukung Proses Assembly Frame Body Bus
PT. APW is a manufacturing company of the bus body. One of the production process department in PT. APW is frame work department. It is in charge of making the bus body frame. The problem faced in this department is inadequationvof the current system. It is because the work is done manually and is…
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Artikel Jurnal
Produksi Hidrogen dari Campuran Air dan Minyak Kelapa Murni (VCO) melalui Porous Media Tembaga menggunakan Prinsip Hydrogen Reformer
Hydrogen reformer is a principle of hydrogen formation by using the reaction between reactants with a catalyst and a heating process in vapor form. Copper powder was used as the catalyst with a porosity of 28.245% and 31.736%, and a heat temperature of 310 oC. Variation of the ratio between water…
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Artikel Jurnal
Pengaruh Prosentase Etanol terhadap Torsi dan Emisi Motor Indirect Injection dengan Memodifikasi Engine Control Module
This research present the torque and exhaust emission level from four stroke indirect injection fuel system engine. An engine fueled by ethanol gasoline blend. The original Engine Controle Module injected lean mixture into Combustion Chamber. Lean Mixture decreased Torque drastically. Therefore…
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Artikel Jurnal
Analisa Heat Input Pengelasan terhadap Distorsi, Struktur Mikro dan Kekuatan Mekanis Baja A36
The minimization of weld distortion has become an important subject of research in welding. Severe distortion can cause undesirable influence on the cost of fabrication since additional work or repair needs to be performed. In addition, distortion also reduce dimensional accuracy and even loss of…