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INDONESIA
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi
Published by Ihsa Institute
ISSN : 20867026     EISSN : 28087372     DOI : https://doi.org/10.35335/mekintek
Core Subject : Science, Engineering,
Aerospace Engineering Astronomy Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi is a scientific journal that aims to participate in developing the scientific field of Mechanical, Energy, Industrial And Technology, contains the results of research and theoretical study from lecturers, researchers and industry practitioners. Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi is administered by the IHSA Institute. Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi published twice a year, in April and October. Editors receive scientific articles or papers containing the results of research, literature review, or review activity that is closely related to the field of Mechanical, Energy, Industrial And Technology.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 66 Documents
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Optimizing Savonius Wind Turbine Performance: Analysis of Blade Number's Influence M. Rizky Ananda
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 15 No. 1 (2024): April: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

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Abstract

This research investigates the impact of blade number on the performance characteristics of Savonius wind turbines, shedding light on optimal design configurations and operational considerations. Through a combination of experimental testing and computational simulations, the study systematically analyzes key performance metrics including power output, torque generation, rotational speed, and efficiency across varying blade configurations. Findings reveal nuanced relationships between blade number and turbine performance, with implications for design optimization and operational adaptability. While turbines with a higher number of blades demonstrate advantages in terms of energy capture and torque production, they may also encounter challenges related to stability and efficiency. Conversely, turbines with fewer blades exhibit superior rotational dynamics and efficiency under certain conditions but may face limitations at higher wind speeds. The study underscores the importance of holistic optimization approaches that balance competing objectives and trade-offs in turbine design. Looking ahead, collaborative efforts between academia, industry, and government stakeholders are essential to drive innovation and realize the full potential of Savonius wind turbines as a viable, sustainable energy solution for a greener future.
Solar-Powered Adsorption Cooling Using Activated Carbon and Methanol: Efficiency, Feasibility, and Optimization Pathways Listiawati, Listiawati; Istanti, Joevanca; Ivandy, Mario
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 15 No. 2 (2024): October: Mechanical, Energy, Industrial and Technology
Publisher : IHSA Institute

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Abstract

This research investigates the viability and performance of a solar-powered adsorption cooling system employing activated carbon and methanol as the adsorbent-adsorbate pair. The study aims to assess the system's effectiveness in harnessing solar energy for cooling purposes while evaluating its efficiency, environmental impact, and economic feasibility. The research methodology involves comprehensive material characterization, prototype design, experimental testing, computational simulations, and performance evaluations. Material characterization confirms activated carbon's high surface area and porosity, validating its suitability for methanol adsorption. Experimental tests demonstrate the system's notable cooling capacity, coupled with moderate coefficient of performance (COP), emphasizing its feasibility. Insights into adsorption-desorption kinetics, temperature dependencies, and energy efficiency metrics reveal optimization pathways for enhancing system performance. Environmental assessments underscore the system's reduced carbon footprint and economic evaluations suggest promising long-term viability despite initial installation costs.
Improvement Of Working Facilities At The Zinc Tile Printing Station With Ergonomic Approach Multazam, M. Rizky
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 15 No. 2 (2024): October: Mechanical, Energy, Industrial and Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v13i1.34

Abstract

PT. Bintang Rezeki Maju is a private company engaged in the manufacture of zinc roof tiles. The process of making zinc tile starts from printing, coloring, polishing and drying. Observations focused on the printing station because the printing station has a very important role in the zinc tile production process because it directly affects the quality of the tiles produced. The results of the study obtained a new work facility design with dimensions according to the anthropometry of the workers with specifications of chair leg height 45.14 cm, seat length 45.59 cm, seat seat width 32.51 cm, seat back height 58.26 cm, width seat backrest 41.66 cm and machine leg height 68.41 cm. With the new work facility improvement design, it can reduce operator complaints at the printing station. Anthropometric approach aims to obtain the appropriate dimensions of the operator's body for the design of work facilities. The results of the study obtained a new work facility design with dimensions according to the anthropometry of the workers with specifications of chair leg height 45.14 cm, seat length 45.59 cm, seat seat width 32.51 cm, seat back height 58.26 cm, width seat backrest is 41.66 cm and machine leg height is 68.41 cm. With the new work facility improvement design, it can reduce operator complaints at the printing station. Anthropometric approach aims to obtain the appropriate dimensions of the operator's body for the design of work facilities. The results of the study obtained a new work facility design with dimensions according to the anthropometry of the workers with specifications of chair leg height 45.14 cm, seat length 45.59 cm, seat seat width 32.51 cm, seat back height 58.26 cm, width seat backrest 41.66 cm and machine leg height 68.41 cm. With the new work facility improvement design, it can reduce operator complaints at the printing station. the height of the backrest is 58.26 cm, the width of the backrest is 41.66 cm and the height of the machine leg is 68.41 cm. With the new work facility improvement design, it can reduce operator complaints at the printing station. the height of the backrest is 58.26 cm, the width of the backrest is 41.66 cm and the height of the machine leg is 68.41 cm. With the new work facility improvement design, it can reduce operator complaints at the printing station.
Design and manufacture of wax pattern making machines with drill chisels for layer deposition manufacturing processes W, Fitri Atmono Agus
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 13 No. 2 (2022): October: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v13i2.175

Abstract

Layer Deposition Manufacturing (LDM) is a new method in Rapid Prototyping. Layer Deposition Manufacturing is used for complex, hollow or complex production and object processes. The LDM process can be done manually, namely by creating a print cavity on Win. The goal to be achieved from this research is to make a pattern making machine with drill chisels to make molded cavities in wax in the Layer Deposition Manufacturing process. This research is based on existing literature as a theoretical basis. The stages carried out in this study began with designing a pattern making tool, searching for tool components and materials, making tools, assembling and testing the tool to determine machine performance. Tests were carried out using a drill chisel diameter of 2 mm and 3 mm and a wax thickness of 5 mm and 10 mm.
Application of layer deposition manufacturing in the manufacture of centrifugal water pump blade master molds for aluminum casting process Suiiaryo, Agus
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 13 No. 2 (2022): October: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v13i2.176

Abstract

The mold master is a product that is used as a reference for making mold models. The mold master can also be said to be an original sample of a product to be developed. The goal to be achieved from this research is to apply the Layer Deposition Manufacturing (LDM) method for the development of small and medium industries in order to be able to make mold masters that are more complex in shape, especially for making centrifugal water pump mold master molds for the aluminum casting process. print master by utilizing CAD, then cutting the master per layer according to the product area boundaries, after being cut the data for each layer is saved to a file to be printed, the print results are pasted on the Win layer, then the pattern is cut using a pattern cutting machine, after the layer pattern is formed then the pouring of the material in the form of solid, liquid, powder is carried out in a controlled manner layer by layer until it is as high as the desired product. The application of the LDM method for the manufacture of mold masters in the aluminum casting industry is an alternative method which is easy and fast to manufacture. The advantages of LDM are that it can create hollow products, can experiment with physical objects with a high level of complexity, can optimize product design to meet customer demands. Meanwhile, the disadvantages of LDM are that the size produced is less precise, it requires a lot of material support, it cannot make thin products. The LDM method can be used to make mold masters, especially for centrifugal water pump blade mold masters, both simple and complex shapes.
The design of the patella os with wireframes in the direction of the coordinate axes utilizes a multilayer strategy Kurniawan, Wahyudi
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 13 No. 2 (2022): October: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v13i2.177

Abstract

Osteology is the science of anatomy in the field of medicine, which includes studying the structure and shape of bones, especially the anatomy of human bones. One of the learning methods is observing and analyzing human bone replicas, this requires that the design of the bone replicas must be similar to the original form. Model design using computer technology, namely CAD (Computer Aided Design) and CAM (Computer Aided Manufacturing) is now widely used in the field of design and engineering. Complex and precise modeling can be done in a short time with uniform results. PowerSHAPE software as a CAD application program is capable of creating complex and precise models. By using multiple layers, The patella bone wireframe produced by the rapid prototyping method can be processed easily so that it is hoped that a replica of the patella bone can be made close to its original shape. From the design results, molds and machining simulations can be made using the CAM application program, namely PowerMILL software.
Metal powder manufacturing process using the oxy-acetylene plasma atomization method Kurniawan, Endang
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 13 No. 2 (2022): October: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v13i2.178

Abstract

The powder metallurgy process is one of the metalworking technologies by compacting a quantity of powder from pure materials or alloys in a mold, then sintering or heating in a furnace at a certain temperature until bonding occurs between the powder particles. Several advantages of powder metallurgy technology, namely: eliminating or minimizing the machining process, no wasted material, high surface accuracy and smoothness, increased strength and wear resistance, and complex product shapes. Atomization method is a method that is often used to make powders in bulk. Several known atomization methods are the water atomization method, the gas atomization method, and the centrifugal atomization method. Several new methods in the atomization method are the plasma atomization method, liquid explosion atomization method, ultrasonic atomization method, and so on. In this study, molten aluminum metal was used as the starting material, the process used was the oxy-acetylene plasma welding process. The data obtained by testing the distribution of powder, testing the distribution of powder weight, and testing the macro structure of the powder. The powder produced from the oxy-acetylene plasma burst has the characteristics of a non-spherical powder, but is in the shape of a teardrop. This grayish black color is caused by the powder undergoing an oxidation process and a carburizing process. powder weight distribution test, and powder macro structure testing. The powder produced from the oxy-acetylene plasma burst has the characteristics of a non-spherical powder, but is in the shape of a teardrop. This grayish black color is caused by the powder undergoing an oxidation process and a carburizing process. powder weight distribution test, and powder macro structure testing. The powder produced from the oxy-acetylene plasma burst has the characteristics of a non-spherical powder, but is in the shape of a teardrop. This grayish black color is caused by the powder undergoing an oxidation process and a carburizing process.The powder metallurgy process is one of the metalworking technologies by compacting a quantity of powder from pure materials or alloys in a mold, then sintering or heating in a furnace at a certain temperature until bonding occurs between the powder particles. Several advantages of powder metallurgy technology, namely: eliminating or minimizing the machining process, no wasted material, high surface accuracy and smoothness, increased strength and wear resistance, and complex product shapes. Atomization method is a method that is often used to make powders in bulk. Several known atomization methods are the water atomization method, the gas atomization method, and the centrifugal atomization method. Several new methods in the atomization method are the plasma atomization method, liquid explosion atomization method, ultrasonic atomization method, and so on. In this study, molten aluminum metal was used as the starting material, the process used was the oxy-acetylene plasma welding process. The data obtained by testing the distribution of powder, testing the distribution of powder weight, and testing the macro structure of the powder. The powder produced from the oxy-acetylene plasma burst has the characteristics of a non-spherical powder, but is in the shape of a teardrop. This grayish black color is caused by the powder undergoing an oxidation process and a carburizing process. powder weight distribution test, and powder macro structure testing. The powder produced from the oxy-acetylene plasma burst has the characteristics of a non-spherical powder, but is in the shape of a teardrop. This grayish black color is caused by the powder undergoing an oxidation process and a carburizing process. powder weight distribution test, and powder macro structure testing. The powder produced from the oxy-acetylene plasma burst has the characteristics of a non-spherical powder, but is in the shape of a teardrop. This grayish black color is caused by the powder undergoing an oxidation process and a carburizing process.
Preliminary Study of the Feasibility of a Webcam as a Measuring Tool for Product Geometry (Circular Object Case Study) Primayanti, Erina
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 13 No. 2 (2022): October: Mechanical, Energy, Industrial And Technology
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mekintek.v13i2.179

Abstract

This final straightforward report discusses the initial feasibility study of a webcam as a product geometry measurement tool (a case study of circular objects). Measurements are obtained from reading the 2D imaging surface of the shooting measuring object. In this test the measurement is focused on measuring the diameter of an object in the form of a circle. The image obtained from the results of formal RGB shooting and displayed on a PC monitor by so/Mere webcam, then called using Matlab software. Imaging is processed from RGB format to gray scale and then to monochrome, then the diameter of the image surface is calculated.
Exploring the Sustainability of Environmentally Friendly Alternative Materials in Building Construction Manurung, Joevanka Abigail
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 15 No. 2 (2024): October: Mechanical, Energy, Industrial and Technology
Publisher : IHSA Institute

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Abstract

This research investigates the use of environmentally friendly alternative materials in building construction, aiming to provide a comprehensive analysis of their benefits, challenges, and implications. Through a mixed-methods approach combining literature review, surveys, interviews, and case studies, the study explores the environmental, economic, and social impacts of green materials, as well as the barriers to their adoption. The findings reveal significant environmental benefits associated with sustainable materials, including reduced carbon emissions, resource conservation, and improved indoor environmental quality. Performance analyses demonstrate that green materials often match or exceed the durability and functional performance of traditional materials, while economic assessments indicate long-term cost savings despite higher initial investments. Moreover, sustainable construction practices have positive social impacts, such as improved occupant health and well-being, job creation, and community resilience. The research concludes with recommendations for overcoming barriers to adoption, including investment in research and development, providing financial incentives and policy support, increasing education and training programs, and conducting public awareness campaigns. By implementing these recommendations, the construction industry can accelerate the transition towards sustainable construction practices, creating a more resilient, healthy, and sustainable built environment for future generations.
Geotechnical Characteristics and Management of Clay Soil for Enhanced Road Construction Michael, Frido
Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi Vol. 15 No. 2 (2024): October: Mechanical, Energy, Industrial and Technology
Publisher : IHSA Institute

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Abstract

This research investigates the geotechnical characteristics of clay soil and their implications for road construction. Clay soils present significant challenges due to their low bearing capacity, high compressibility, and susceptibility to swelling and shrinkage. The study aims to analyze these properties in detail, evaluate effective soil stabilization techniques, and assess advanced drainage solutions and predictive modeling tools. Through a comprehensive methodology that includes site selection, sample collection, laboratory testing, and data analysis, the research provides valuable insights into the behavior of clay soils under various conditions. Key findings reveal that while traditional stabilization methods, such as lime and cement, remain effective, newer materials like fly ash offer enhanced performance. Advanced drainage technologies, including geocomposites and prefabricated vertical drains (PVDs), have proven superior in managing soil moisture and preventing water-related issues. The research also demonstrates that modern compaction techniques and geosynthetics can significantly reduce soil compressibility and settlement. The implications of these findings are profound for the construction industry, offering practical recommendations for improving the durability and performance of roadways on clay soils. The study highlights the need for advanced stabilization, effective drainage solutions, and refined predictive modeling to address the challenges of clay-rich substrates.

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