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Journal of Energy, Mechanical, Material and Manufacturing Engineering
Published by Universitas Muhammadiyah Malang
ISSN : 25416332     EISSN : 25484281     DOI : -
Core Subject : Engineering,
Mechanical Engineering
Journal of Energy, Mechanical, Material and Manufacturing Engineering Scientific (JEMMME) is a scientific journal in the area of renewable energy, mechanical engineering, advanced material, dan manufacturing engineering. We are committing to invite academicians and scientiests for sharing ideas, knowledges, and experiences in our online publishing for free of charge. It would be our pleasure to accept your manuscripts submission to our journal site.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol. 4 No. 2 (2019)" : 7 Documents clear
Design of Hybrid Smokeless Waste Burners Machine for Producing Organic Fertilizer Sugeng Riyadi; Yogi Setaji; Hansyah Faisal Pamekas; Reza Setiawan
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.8668

Abstract

The number of waste problems in Karawang are increasing but the handling is still limited. Every day, the Karawang community produces 920 tons of garbage. Of that amount, 400 tons of waste is sent to TPSA in Jalupang, while 520 tons of the remaining garbage is scattered everywhere. Overcoming the waste problem, it is necessary to have an environmentally friendly tool for direct burning of waste that can’t be recycled again. Hybrid Smokeless Waste Burners Machine (HSWBM) is an environmentally friendly technology by burning smokeless waste through smoke filtering using water or water scrubbers and using Hybrid technology by using electricity independently from solar panels and PLN electricity which is only used when weather conditions don’t. The method used is the design of tools, and component assembly. HSWBM has an environmentally friendly advantage because it uses smoke filtration through water and dangerous gas filtration so that the discharged gas is more environmentally friendly, electricity is independent of solar panels thus saving the operational costs of the tool. The remaining combustion or ash can be used as organic fertilizer or briquettes. Deposition of smoke in water (aerosols) for a mixture of fertilizing agricultural crops and reducing waste in Karawang so that a clean environment is created. The application of the use of this tool on a limited scale such as in schools, campuses and housing in Karawang.
Strength Analysis of Steel Construction and Swing Hanger Using Theoretical Method and Simulation of Finite Element Riki Effendi; Fadwah Maghfurah
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.8781

Abstract

The initial activity in this study was carried out by examining the results of testing of reinforcing steel through tensile testing and bending testing. The study focused on the stress analysis of the test material to determine and classify the test material with SNI reference which applies as a condition for the application of test material to a construction. The material tested was a type of Fin Reinforcing Steel (BjTS 40) with diameters of 10 mm, 13 mm, 16 mm, 19 mm and 22 mm respectively with each sample 2 specimens. In tensile and bending tests, the test results will be known the load of the test material when tested at the yield point and at the maximum point, according to the strain stress graph illustrated. The results of the scale of the test machine are then recorded to perform stress analysis. The test results data are then used to calculate the amount of stress that occurs in the test material. Stess analysis is carried out on the swing hanger as well as construction steel samples. Stress analysis uses theoretical stress analysis methods and finite element simulation methods using computer work program simulation CAD / CAE technology solidworks. From the results of theoretical calculations, it is known that the amount of stress that occurs, the yield strength limit of the material and also the safety factor of the test material, both on the swing hanger test material and also the construction steel test sample. Furthermore, the initial data of the swing hanger test material as well as steel construction were carried out modeling by using a solidworks computer work program application. While the results of solidwork modeling are then analyzed by finite element simulation and known the magnitude of stress, strain, loading buckling that occurs and also the visualization of the material characteristics of the load treatment.
Inspection on Railroads Quality by using Image Processing Method Budiono Budiono; Suwarsono Suwarsono
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.9514

Abstract

The condition of railroads is the main determinant of train safety. The recent railroads inspection conducted by the mechanic results inaccurate inspection and it cannot be conducted continuously. Therefore, this research develops the inspection by using Image Processing Method. Image processing facilitates and accelerates the measurement of railroads quality. This technique enables the automation of railroads measurement in continuous and faster process. It is as the inspection needs no direct measurement. The image processing conducted in this research uses edge detection method with filter disk 12. For collecting data, this research uses laser line and camera to capture figure of the railroads. Furthermore, the figure data is analyzed by using Matlab software. Output of image processing is graphic of the railroads surface that is analyzed to obtain its quality from its flatness. Result of railroads surface measurement by using image processing is averagely 3.61311 mm height and 55.6000 mm width. It is validated with manual measurement by the result of average height is 3.63 mm and average width is 5.5385 mm. The normal flatness of railroads by using image processing is 0.4488 mm. Inspection by using image processing is feasible as the alternative for substituting the manual process previously conducted.
The Effect of Mesh Size on Mechanical and Thermal Properties of Bamboo Composites Ziani Adriant; Yulianto Yulianto; Ralf Förster; Dede Lia Zariatin
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.9698

Abstract

The application of styrofoam in food storage causes environmental contamination. The foam material is containing styrene that creates a dangerous risk in food storage. The objective of the research is to investigate the feasibility of using black bamboo-composite as a coolbox material. In this research, there was three sizes of meshing was manufactured which are mesh 40, 30 and 20. The materials were composed of 30% black bamboo fiber and 70% SHCP 2668 resin. Six side sheet plates of composite did assemble using adhesive bonding method into a box shape. Several tests were performed which are tensile test, compressive test, impact test, and thermal conductivity test according to ASTM D638, ASTM D6411, ASTM D6110, and ASTM C1004 respectively.Mesh size 40 has the highest tensile test, compressive test, and impact test was the value of 17,4 MPa, 54,13 MPa, 0,085 Joule/mm2 respectively. Mesh size 20 has the best thermal conductivity was the value of 7.36 W/m.oC. Coolbox testing on mesh 20, 30, 40 compared with the same dimensions was given box styrofoam with a temperature of -2 oC. The results of the coolbox composite test against mesh size 20 have slower ice cube melting compared to mesh 30 and 40.
Study the durability of welding and performance of base metal of L. P. G. home cylindrical manufactured in Kurdistan region. Yassin Mustafa Ahmed; Hameed D. Lafta; Azhin Abdullah Abdulrahman
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.9742

Abstract

Liquefied petroleum gas (propane or butane) is a colorless liquid which readily evaporates into a gas. It has no smell, although it will normally have an odor added to help detect leaks. Liquefied petroleum gas is stored and handled as a liquid when under pressure inside an LPG cylinder. Liquefied petroleum gas cylinders are subjected to various tests to ensure their compliance requirements as per standard. This research studies the durability of welding and performance of base metal of L. P. G. home cylindrical in Kurdistan region. The experiments were carried out on three types of LPG cylinder using in Kurdistan regions A, B, and C and an unformed plate. To carried out the samples and tests during the research we depending on the standard tests for LPG cylinders. Three samples are extracted from each of LPG cylinders and unformed plate for each of tensile test, Bending test and Hardness test according to ISO 6892-2016 and ASME standards from each type of LPG cylinders and from unformed plate to examine the mechanical properties. In addition, chemical compositions also were carried out. These values are compared with standard.
Numerical Simulation of The Effect of Wind Velocity on The Diffuser Augmented Wind Turbines Performance Yosua Heru Irawan; Harianto Harianto
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.9931

Abstract

The study was conducted on GE 1.5 XLE wind turbine blades with a blade length of 4.32 m. This study uses a numerical simulation method with the help of ANSYS Workbench 19 software. Simulation is carried out at wind speeds of 3 m/s, 5 m/s, and 8 m/s. The DAWT (Difuser Augmented Wind Turbines) research model uses the same wind turbine blade as a conventional wind turbine model which is the same GE 1.5 XLE model. The size of the diffuser added to the construction of the wind turbine is 9 m in addition to flanged on the side of the inlet and outlet diffuser.Based on numerical simulations carried out, for wind speeds of 3 m/s, the highest increase in DAWT performance is 115.6%. For wind speeds of 5 m/s, the highest increase in DAWT performance is 99.2%. For wind speeds of 7 m/s, the highest increase in DAWT performance is 91.8%. Based on the simulation results it can be said that the addition of diffuser in the construction of wind turbines will produce effective performance at wind speeds of 3 m/s. The increase in DAWT performance is relatively small on TSR 1-4, and some even experience a decrease in performance. So that it can be said that DAWT is not suggested to be operated on a low TSR, DAWT is recommended to operate above TSR 5.
Analysis of the Mixture Fuels to the Performance of Diesel Engine Yuniarto Agus Winoko; Indra Nurzainu Arifin; Umi Anis Ro'isatin
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 4 No. 2 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v4i2.10221

Abstract

The demand for fuel is increasing every year that the supply comes to decrease. Biodiesel is an alternative energy for diesel fuel. It has the same characteristics as diesel fuel. It also renewable and environmentally friendly. The mixture of biodiesel and diesel fuel lessens the concentration of hydrocarbons and increases the cetane value. Therefore, combustion occurs completely. The purpose of this research is to compare the power, SFC and exhaust emission of direct injection engines with B-20 fuel to those with diesel fuel. The method to test the engine power uses ISO 1585 where the engine speed range starts from 1000-4000 rpm. The test results show that the engine has better performance when it uses mixture fuels but it is not for the engine with diesel fuel. The mixture fuels give higher power to the engine, but less emission. It is the opposite of the engine with diesel fuel, even though the difference in power is slight. It can be concluded that the mixture fuels influence the performance of direct injection engine.

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