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Jurnal Engine: Energi, Manufaktur, dan Material
Published by Universitas Proklamasi 45 Yogyakarta
ISSN : 25797433     EISSN : 25797433     DOI : http://dx.doi.org/10.30588/jeemm
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Engine: Energi, Manufaktur, dan Material is registered with ISSN 2579-7433 (online) on The Indonesian Institute of Sciences (LIPI). This journal is under publishment of the Mechanical Engineering Department, Universitas Proklamasi 45 Yogyakarta. It is a scientific journal focusing on Energy, Manufacturing, Material, Mechanical, and Software Simulation. It provides a publishing platform for scientists and academicians to share, publish, and discuss all aspects of the latest outstanding development in the field of Mechanical Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 155 Documents
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Analisis Perbandingan Kinerja Pembangkit Listrik Tenaga Surya dan Pembangkit Listrik Tenaga Uap pada Lingkungan PT. RAPP Satria Darmawan; Rahmaniar; Pristisal Wibowo
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 2 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i2.1960

Abstract

This study compares the performance of Solar Power Plants (PLTS) and Steam Power Plants (PLTU) at PT. RAPP. The methods used include daily energy production data collection, environmental observation, and statistical analysis to assess the efficiency and performance of both systems. The analysis reveals that PLTS has high efficiency in converting solar energy into electricity but experiences reduced efficiency due to module PV and inverter malfunctions in Phase 3. Meanwhile, the Dual Fuel Line 2 PLTU achieves a thermal efficiency of 43.24%, with biomass as the primary fuel, which reduces carbon emissions but still requires natural gas for stability. PLTS excels in environmental sustainability and lower operational costs, whereas PLTU offers more stable and substantial production capacity. Recommendations include repairing the PLTS system, expanding the project, investing in technology, and managing PLTU emissions for a more efficient and sustainable energy solution at PT. RAPP.
Perancangan Shaking Rig Simulator Irregularities Sarana dan Prasarana Kereta Api Paresya Arva Seta; Agustinus Winarno; Budi Basuki; Ignatius Aris Hendaryanto
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 2 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i2.1980

Abstract

The train is one of the main modes of transportation used in various countries in the world, including Indonesia. The existence of an efficient railway network can support the mobility of people and goods. The safety and comfort of train travel is highly dependent on the condition of the railway facilities and infrastructure. The condition of facilities and infrastructure that meet standards will make the journey smoother and reduce the risk of accidents. With human mobility, the development of public transportation using trains in Indonesia also continues to increase. Damage to train tracks can cause disruption to comfort and endanger safety caused by excessive vibration during train travel, so regular maintenance and repair of the rails is required using a system called the Intelligent Railway Vibration Monitoring System (IRV-MS). The IRV-MS system still needs to be tested because the resulting vibration readings still require validation. The design of this shaking rig simulator is expected to be a solution in terms of vibration testing. This shaking rig can move in a vertical or horizontal linear direction with a linear motor as a driver and produce oscillatory movements. The design of this shaking rig simulator tool uses Solidworks software with 500 mm x 423 mm x 380 mm of dimension and later vibration animation will be simulated in the motion study feature in the software with input parameters of 3-10 Hz with a maximum stroke of 20 mm.
Performance Review of Distillation Equipment Using An Evaporator Imaniah Sriwijayasih; Sumardiono; Prativi Khilyatul Auliya
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 2 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i2.1982

Abstract

Aquadest is water from the result of distillation or what is usually called pure water. Aquadest water is water from distillation or what is usually called a process distillation. Aquadest, which is usually called aquadest, is not a water that is easy to find, because the price given is expensive and only used for one or even several specific things in particular chemistry practical activities. The purpose of this research is to review the evaporator and condenser in the distillation apparatus in order to obtain a product in the form of distilled water by examining the physical and chemical properties of distilled water. From the research that has been carried out it was concluded that the results of distilled water were of good quality in a distillation apparatus that is assembled with temperature and The optimum time is at a temperature of 100 C and 1 hour time, produces distilled water with levels TDS 9 mg/L, decent pH 6.12 used for practical purposes in laboratory
Prototype of a Dust Monitoring Device in the Mechanical Engineering Laboratory at PGRI University Semarang Using the GP2Y1010AU0F Sensor Rifki Hermana; Muchamad Malik; Agus Mukhtar; Andrew Joewono; Gostsa Khusnun Naufal
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 2 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i2.1999

Abstract

ABSTRACT This study aims to develop an accurate and real-time air quality monitoring system in the Mechanical Engineering Laboratory that provides information on the measured parameter values. The research employs an experimental approach to determine the effectiveness of variables within the experiment. The primary sensor used is the GP2Y1010AU0F Optical Dust Sensor, which operates based on infrared light to measure particulate dust concentration levels. Analysis of sensor testing results was conducted by observing variations in sensor readings, notably after trials involving tissue burnt as a dust source. The dust sensor consistently recorded an average dust concentration of 0.597 Kg/m³. Subsequently, tests were conducted using baby powder with a constant weight of 30 mg per trial. Sensor readings varied between 0.35 Kg/m³ and 0.38 Kg/m³, indicating that within the given weight range, the powder mass does not significantly impact sensor readings. Further, tests on indoor dust density, with an average concentration of 36.01 µg/m³, revealed a relatively low average dust concentration in the room during the measurement period..
Perancangan Mekanisme Pengaduk Kompos Sampah Organik dengan CAD/CAE Budi Basuki; Andhi Akhmad Ismail; Sugiyanto; Dani Anggoro Hasan; Muhammad Alif
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 2 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i2.2000

Abstract

The management of organic waste into compost is one of the important solutions in an effort to reduce the negative impact of organic waste on the environment. A compost mixer is one of the technologies that can be used to speed up the process of decomposing and forming compost from organic waste. This research aims to continue previous research that has succeeded in making organic waste shredding machines. The methods used in this study include a literature survey on the basic principles in organic waste management, available technologies, and the design of stirring machine mechanisms that have been carried out previously. Based on the literature analysis, some factors in the design of the compost mixer machine are the material and shape of the composting blade, adequate construction strength, the need for sufficient rotation to achieve organic waste homogenization, and the ease of operation and maintenance. The design process utilizes CAD/CAE software to compile 3D models and simulate various operational conditions. The result of this research is the design of an efficient compost mixing machine mechanism. In addition, special attention is paid to the selection of materials and the shape of the stirring blades that are resistant to wear and corrosion. This design also takes into account the ease of access for routine cleaning and maintenance.
Perancangan dan Pembuatan Mesin Pengaduk Sampah Organik Ignatius Aris Hendaryanto; Galuh Bahari; Radhian Krisnaputra
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 9 No. 1 (2025)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v9i1.2023

Abstract

Waste is a byproduct of production activities, both in the industrial and household sectors. Solid waste, commonly known as garbage, can be divided into organic and inorganic waste. Organic waste from households, such as food scraps and plant materials like wood, twigs, or leaves, can be converted into compost or organic fertilizer that has economic value. The process of organic waste treatment requires a mixer machine to blend the chopped waste with other additional materials. In this study, the design and construction of an organic waste mixer machine were carried out. The mixing mechanism uses two ribbon-shaped twisted (helical) blades that rotate in opposite directions. As they spin, they produce a rotating movement while shifting to the left and right, creating a more even mixing effect. The shaft and mixing blades are rotated by the main drive, a 1 hp single-phase electric motor with a speed of 1420 rpm. From the electric motor, the speed is reduced using a speed reducer gearbox with a 40:1 ratio, bringing the shaft and blade rotation speed to 35,5 rpm. The mixing force generated on the mixer blade is 752,6 N.
Bioetanol dari Limbah Sekam Padi sebagai Sumber Energi Terbarukan Intan Farhani; Indah Sawitri; Pramita Desi Hariningsih; Ida Farida; Omay Sumarna
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 9 No. 1 (2025)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v9i1.2052

Abstract

The purpose of this research is to make laboratory-scale bioethanol from agroindustrial waste, namely rice husk through hydrolysis, fermentation, and distillation methods, determine %yield, and characterize bioethanol. The method used was experimental. The results and conclusions obtained are bioethanol that smells like tape, colorless with %yield as much as 3,32%, density of 0.8818 g/mL, viscosity of 0.7408 cP, and blue flame formed during the flame test. Based on the characterization results, the bioethanol obtained has not met the SNI standards, which is suspected because it still contains water content caused by less pure ethanol from the distillation process.
Enhancing Mechanical Properties of Aluminum Matrix Composites Reinforced with Carbon Nanotubes: A Review of Fabrication Methods and Applications Nabila Desi Rahmawati; Immanuel Simanjuntak; Fikri Muzhaffar; Ade Kurniawan; Judika Butar-butar; Logo, Damai Logo
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 9 No. 1 (2025)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v9i1.2116

Abstract

This study reviews the fabrication methods and compositions of aluminum matrix composites reinforced with Carbon Nanotubes (CNTs), aiming to enhance the mechanical properties of aluminum composites. The methods analyzed include ball milling, spark plasma extrusion (SPE), and chemical vapor deposition (CVD), each showing unique advantages in improving tensile strength, hardness, wear resistance, and thermal conductivity. The study highlights significant findings, such as SPE's ability to address CNT agglomeration, ensuring a more homogeneous distribution, and increasing material density. Results also reveal the effectiveness of CNT coatings in improving electromagnetic shielding performance and thermal conductivity for extreme conditions. The significance of this research lies in identifying optimal fabrication techniques and compositions, offering valuable insights for advancing lightweight, high-strength materials in automotive, aerospace, and other industries. This study emphasizes the potential of Al-CNT composites as superior materials for industrial applications and the need for further exploration of hybrid fabrication methods and CNT types.
Lean Manufacturing dalam Reduksi Waste untuk Peningkatan Efisiensi Produksi Konektor Tipe X di PT XYZ Muhammad Kyodan Khalidzky; Winarno; Wildan Fatchan Maulidin
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 9 No. 1 (2025)
Publisher : Universitas Proklamasi 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v9i1.2136

Abstract

Inefficient production processes can cause waste that results in delays, increased operational costs, and decreased productivity. Therefore, identifying and reducing waste is important in achieving better efficiency in the production process. This study aims to identify and reduce waste in the production process of type X connectors at PT XYZ by applying Lean Manufacturing principles. The methods used in this study include Value Stream Mapping (VSM) to map the production process flow and Process Activity Mapping (PAM) to analyze production activities in detail. The results of the analysis show that the largest waste occurs at the Operation stage (57.07%), followed by Transportation (26.65%) and Delays (10.89%). Based on the 5W + 1H analysis, it was found that the main causes of waste were the lack of measuring stations and inefficient warehouse layouts. Recommendations given include adding measuring stations, implementing IoT technology to automate data input, and optimizing warehouse layouts. The implementation of these improvements is expected to reduce waste, increase productivity, and help PT XYZ achieve production targets more efficiently.
REVIEW: Perkembangan Sel Surya Perovskite Noto Susanto Gultom; Ihsanul Mubarok; Hafsah Mutmainnah; Wina Mardhatillah; Ayi Bahtiar; Richie Estrada; Aisyah Amirah Fathinah
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 9 No. 1 (2025)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v9i1.2141

Abstract

Perovskite is one of the materials used for solar panels that offers high efficiency comparable to conventional silicon-based solar cells. This article aims to analyze the latest developments in perovskite solar cells from various important aspects, starting from material development, various fabrication techniques, as well as opportunities and challenges in its development. Perovskite is a type of material that has a crystal structure with the chemical formula ABX3. Perovskite fabrication can be done using various methods such as spin coating, spray coating, doctor blading, inkjet printing and others. In its development, various innovations have been made, such as the development of cells without a hole transport layer (HTL-free), the addition of ethylenediammonium cations (en), and efforts to replace lead with more environmentally friendly materials such as tin. The results of the study showed that the power conversion efficiency (PCE) of perovskite solar cells has reached more than 25%. Although this development is promising, there are still major challenges in maintaining the long-term stability of the device, especially related to degradation due to humidity, heat, and prolonged lighting. The development of fabrication techniques that can mass produce perovskite solar cells with high performance and stable reliability is essential. With continued research and material innovation, perovskite solar cells have great potential in supporting sustainable clean energy transitions such as their applications in building-integrated photovoltaic (BIPV) systems, wearable electronic devices, and agrivoltaic systems.

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