710 results
Showing 401–420 · 0.35 seconds · RSS
-
Journal Article
Pengaruh Lingkungan Las terhadap Kekuatan Impak Sambungan Las Aluminum AA1100
Due to lightweight and strong, aluminum is often applied to the car bodies of an automotive and high-speed train. Welding is the main manufacturing process for these structures. Environmental conditions in welding, especially airflow velocity, humidity, and temperature, significantly affect the…
-
Journal Article
Analisa Buckling pada Spring JIS SWP B7 dengan Beban 1183 N
To analyze buckling on a spring, an experimental and simulation test is needed at the time of subsequent loading from the test results and experiments that can later become a parameter for the manufacturing industry in designing a spring component. From the test results, based on the analysis of…
-
Journal Article
ANALISIS PERFORMA KARBON AKTIF KULIT BAWANG MERAH (ALLIUM CEPA SKIN) TERHADAP PERUBAHAN KARAKTERISTIK LIMBAH AIR ACCU
Onion peel is one of the solid waste produced either from the onion processing industry or waste from household waste. Onion skin contains cellulose compounds that are quite high, which is 41-50% as well as aromatic compounds. It is underlying that onion skin can be used as a raw material in the…
-
Journal Article
AC CHOPPER DESIGN AS UNIVERSAL MOTOR DRIVER BASED ON FUZZY LOGIC CONTROLLER
The electric motor has the function is converting electrical energy into mechanical energy. Based on supply, the electric motor is divided into two kinds of supply that are alternating current and direct current. The universal motor is an alternating current motor, the construction, and…
-
Journal Article
THE EVALUATION OF MESH CHARACTERISTICS OF THE CAR MODELING AND SIMULATION USING CFD ANALYSIS
In a car CFD simulation, different types of mesh could change the output of the simulation and may differ with the results gathered using wind tunnel experiment. Therefore, adjusting and getting the best mesh for the simulated car model is an important step in a CFD simulation. This study…
-
Journal Article
ANALISIS ENGINE PROPELLER MATCHING PROPULSI KAPAL IKAN TRADISIONAL DENGAN PTO GENERATOR
This paper presents an analysis of power take off (PTO) generator connected to main engine and its effects to engine overload and ship speed. The purposes of research is to determine the safe operation of PTO generator by adjusting the ship speed. The PTO generator is a generator coupled with main…
-
Journal Article
THE POTENTIAL OF ACTIVATED CARBON FROM PEAT SOIL AS AN ABSORBENT FOR HYDROCARBON (HC) AND CARBON MONOXIDE (CO) EMISSIONS IN MOTOR VEHICLES
This research aims to establish the effects of the length of the activated carbon-based medium on exhaust gas emission and evaluate the engine's corresponding performance. The method utilizes peat soil as the source of activated carbon. The soil is dried and then passed through a 30-mesh sieve. It…
-
Journal Article
UJI KARAKTERISTIK PEMBAKARAN DROPLET CAMPURAN MINYAK JAGUNG-SOLAR
Corn oil may be one of the solutions to overcome biodiesel mixing as a substitute for fossil energy. In this study, we investigate the combustion characteristics of a mixture of corn oil with diesel oil. We used corn oil mixed with diesel oil using percentages 10%, 20%, 30%, 40%, and 50%…
-
Journal Article
KARAKTERISTIK MATERIAL KOMPOSIT BERBASIS BATUAN BASALT DAN DROSS AL
Basalt is one of the basic igneous rocks formed from the freezing process of magma on the earth's surface and has a very good grain size. This study aims to determine the characteristics of the composite basalt as initial data for the manufacture of brake linings. In this study, basalt was made…
-
Journal Article
Analisis Parameter Proses Injeksi 3D Printed VeroWhite Plus Rapid Tooling Dengan Metode Design of Experiments
The insert cavity and core produced by the previous research were made using the polymer rapid tools (PRT) technique and will be used for the experimental production process. PRT is a technique for making tools with polymer materials using Additive Manufacturing (AM) technology. In this research…
-
Journal Article
Pengaruh Fraksi Penguat Fly Ash dan Temperatur Cetakan terhadap Sifat Kekerasan dan Struktur Mikro pada MMC
Metal Matrix Composite is a metal composite that utilizes an aluminum alloy as a matrix in its fabrication and has a wide application in industry. Fly ash is a coal-burning waste at the steam power plant that contains a high enough reinforcement fraction in the form of alumina (Al2O3) and silica…
-
Journal Article
Effect of Technical Modifications on the Fuel Consumption and Emission Level of Biodiesel-Diesel Blended (B30) Fuel Engine
The use of the mixed of biodiesel and diesel (BXX) will affect the performances of engines that are previously used for pure diesel. Therefore, this study was conducted to determine the appropriate technical modifications that can be applied in the B30-fueled generator set. Several modifications…
-
Journal Article
Effect of Impeller Trimming on Centrifugal Pump
Pumps, especially centrifugal pumps, play an important role in engineering application, such as petroleum and petro-chemical industries, agricultural industries, portland cement industries etc. To obtain the best performance of the pumps, one has to operate the pumps at their design conditions. In…
-
Journal Article
Rekayasa Desain Non Pneumatic Tire dengan Struktur Hexagonal Honeycombs
Non-Pneumatic Tires (NPT) have been using in several sector since the wide application and following with advantages of the simplicity of maintenance. In this study, engineering design of NPTs is investigated with several different honeycomb spoke under static and explicit dynamic loading. The…
-
Journal Article
Morphology and Microstructure Properties of Nanozeolite Coating on Iron Foam With Variation of Calcination Temperature and Chitosan
Porous materials are widely used in various applications such as ion exchange, separation, drug delivery sensor and water filter application. However porous iron is susceptible to corrosion, therefore coating with corrosion resistant materials is requirede.g. with nanozeolite material. For the…
-
Journal Article
Effect of the Substrate Surface Profile on the Bonding Strength of the Aluminum Thermal Sprayed on the Low Carbon Steel
The contact surface of thermal spray significantly affected bonding strength and coating elasticity. This work aimed to evaluate the effects of contact surface conditions characterised by substrate surface profile and spray pressure on the bonding and buckling strength of aluminium thermal sprayed…
-
Journal Article
Perbandingan Kinerja Motor Bakar 6-Langkah dengan Power-Ekspansi sampai Titik Mati Bawah Menggunakan Bahan Bakar Pertalite dan Etanol
This paper describes compare the performance and emissions of a 6-stroke engine with power-expansion up to BDC (bottom dead center) using pertalite fuel (non-renewable) and 99.7% ethanol (renewable alternative) with performance parameters including (effective power , fuel consumption, Combustion…
-
Journal Article
Pemanfaatan Karbon Aktif dari Limbah Kulit Pisang untuk Catalytic Converter pada Mesin Diesel
The phenomenon of environmental pollution in the machinery system is problem that often occurs. One of them is the emission from burning fossil fuels of diesel engines. Therefore, it is necessary to do proper handling to reduce the emission content of diesel engines, one of which is by using…
-
Journal Article
Analisa Pengaruh Komposisi Cu dan Mg pada Paduan Al – Cu dan Al – Mg untuk Chassis Kendaraan
Chassis is a frame that functions as a support for vehicles, engines and passengers weight. The chassis also serves to hold the vehicle to remain rigid and not experience bending. To meet the needs of the global market for chassis products with good material quality, of course it can not be…
-
Journal Article
Pengujian Tingkat Akurasi dan Error Dimensi Hasil Produk Mesin CNC Lathe Mini Custom
Computer technology development has an impact on manufacturing technology development. CNC Lathe machine is a combination of computer technology and mechanical technology. This technology produces precision manufacturing products and fast processing times. Computer Numerical Control (CNC) is a…