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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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Delta EC Simulation on Influence of Resonator Length in Close-Open Standing Wave Thermoacoustic Engine Anugrah, Rinasa Agistya; Wisnujati, Andika; Anggara, Fajar
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1501

Abstract

Many applications of thermoacoustic engines in engineering. With its pressure of it, the energy can be harvested and can be converted to many other needs of energies like electrical energy. Energy in thermal form is converted to become acoustic energy and subsequently used to activate a bidirectional turbine. The resonator is very influential toward the power of the thermoacoustic engines. Simulation study with Delta EC fit to make predictions acoustic power as representative performance in thermoacoustic engine with close-open type and standing wave of oscillation. In this study, the material of the resonator is made from a stainless-steel duct with a diameter size of 50.8 mm with three variations of the length. The Standing-Wave Thermoacoustic Engine (SWTE) generates acoustic energy from a temperature gradient of 315 – 993 K. In this simulation, Acoustic Power decreased when the resonator length was extended. The shortest resonator had an acoustic power of 50.4 W, and the longest resonator had an acoustic power of 35.7 W.
Analisa Tegangan Maksimal Cutter Planer pada Mesin Serut (Planer) Bambu Modular dengan Metode Elemen Hingga Kurniawan, Redho; Hendaryanto, Ignatius Aris; Sugiyanto, Sugiyanto; Krisnaputra, Radhian; Irawati, Inggar Septhia
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1572

Abstract

The cutter planer is one of the main components of a bamboo planer which functions to flatten the surface of the bamboo blades. The cutter planer has a problem, namely the maximum stress is not known due to the complexity of the components which is difficult to analyze using the mechanical equation calculation method, so that to overcome this problem a numerical method is used, namely the finite element method. In this study, an analysis was carried out on a cutter planer by comparing the process of cutting bamboo slats with two directions of rotation clockwise (CW) and counterclockwise (CCW). The material used in the cutter planer is HSS and bamboo material with petung bamboo. The results of this study show that the highest maximum stress distribution for the cutter occurs in CCW and the lowest maximum stress distribution for the cutter occurs in CW.
Studi Permukaan Produk Berbahan PLA Hasil Fabrikasi Menggunakan Mesin 3D Printer Jenis Fused Deposition Modelling (FDM) dengan Variasi Kecepatan Printing Hariyanto, Satriawan Dini; Nurhayati, Nurhayati; Badrawada, I Gusti Gde
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1575

Abstract

A study of the surface of the fabrication process using the fused deposition modeling (FDM) technique is needed to determine the suitability of the process parameters with the use of the product to be made. Products that have special characteristics that take advantage of the surface properties of fabricated using FDM are often encountered in technical applications involving fluids. This research is a preliminary study of the Water Contat Angle (WCA) study on polymer filaments made of PLA. In this study, the effect of printing speed on the width of polymer deposition and the gap distance between one deposit and another polymer deposit on the sample surface was observed and analyzed using image processing techniques. The printing speed is made to vary from 30 mm/s, 60 mm/s, and 90 mm/s. The relationship between printing speed and polymer deposition width produces a linear equation y = 0.0008 x + 0.28 and the gap width between filament deposition on the sample surface shows a linear equation relationship y = -0.0002 x + 0.0833 
Pengaruh Komposisi Partikel Styrofoam dan Resin Epoksi pada Komposit Peredam Suara Ary Prastianto, Bima Kusuma; Rubiono, Gatut; Qiram, Ikhwanul
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1593

Abstract

Styrofoam (Extruded Polystyrene) waste can be used as a soundproofing material. This study aims to determine the effect of the particle composition of Styrofoam and epoxy resin on the performance of soundproofing composites. The composition between Styrofoam particles and epoxy resin is 20:20; 20:30; and 20:50 grams. Sound absorption test using PVC impedance tube 100 cm long, 15 cm diameter, and 5 mm thick. The variation in the placement distance of the composite from the sound source is 25; 50; and 75 cm and was measured using the sound level meter application. This type of test sound uses a single tone in the frequency range of 0-600 Hz which is recorded per 5 seconds. Composite performance analysis is reviewed based on media density, composite morphological characteristics of Image-J software, and sound absorption coefficient values. The results showed that the greater the composition had increased the density value of composite particles accompanied by a decrease in pore area in the composite media which resulted in a sound absorption coefficient of 15.61 dB at a composition of 20:50 with a distance of 25 cm from the sound source.
Model Pengembangan Pembangkit Listrik Tenaga Panas Bumi (PLTPB) untuk Industri Pariwisata di Daerah Lereng Gunung Ungaran Jawa Tengah Juwitasari, Rena; Sukarjo, Heribertus; Setiadi, Hari
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 1 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i1.1460

Abstract

Mount Ungaran which is located in Central Java province potential for utilization of geothermal energy. Seen the discovery several geothermal manifestations example fumarole and hot springs. The temperature of the reservoir reached > 2250 C allows to do utilization of electrical energy around the area. In addition to its geothermal energy area around Mount Ungaran is the natural tourism potential, there are five object tourism around Mount Ungaran namely hot springs consist of Temple Gedongsongo, Nglimut, Umbul Sidomukti, Kendalisodo and Diwak . To reduce the burden of the Government against a coal-fired power supply as well as increase the independence of the energy sector for the industry, then the existence of this energy source can be utilized more broadly to support the activities of the industry, in particular the tourist industry that area around the slopes of Mount Ungaran. The results of the analysis showed that geothermal Gedongsongo worth in subtitution of  the Power of  Plant coal. Geothermal power plant scale pico (5kWe - 10 kWe) can be utilized in geothermal field Gedongsongo and can reach out to the surrounding area five object tourism slopes of Mount Ungaran.
Identifikasi Aliran Energi Listrik pada Mesin CNC Machining Center Harbintoro, Sony; Srimurni, Rafika Ratik
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1598

Abstract

CNC machine tools have been widely used in the process and manufacturing industries, which have the potential to increase the intensity of electrical energy consumption so that energy efficiency is needed. Energy efficiency is a necessity for the sustainability of the process and manufacturing industrial sector which will be related to energy costs and environmental factors. In order to carry out energy efficiency, it is necessary to identify the consumption of electrical energy by tracing and mapping the electrical energy flow to the components in a CNC machining center machine, so opportunities for energy savings can be known. This research was conducted by collecting data by monitoring energy consumption in stand-by, setting and cutting machine conditions. Cutting tests are carried out to determine the energy consumption of each machine component that affects energy use. After that it can be seen the energy flow pattern by classifying the energy user components into primary and secondary components. Based on the analysis of electrical energy consumption data during the cutting process, it is known that the significat energy users are the spindle motor, the axis feed motor (X, Y, Z) and the coolant motor.
Analisis dan Perancangan Alat Biogas Sebagai Energi Alternatif Skala Rumah Tangga Dalam Pemanfaatan Limbah Kotoran Sapi Arifin, Jainal; Herlina, Firda; Amin, Ahmadil; Iman, Hendi Cahya
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1610

Abstract

Energy in recent years has become a critical problem in the world. The increasing demand for energy due to population growth and depleted reserves is the problem of World Oil and Emissions. Fossil fuels bring pressure on every country to produce and use renewable energy. In addition, world oil prices have risen to $100 per barrel, which is also a serious cause that affects many countries' people. countries in the world, especially Indonesia. The method that needs to be used to improve the scarcity of Lpiji gas in Ambawang Village, Batu Ampar District is by using cow dung to become biogas. The stages are: Designing a household-scale biogas appliance, preparing materials and equipment, and testing the household-scale biogas appliance that has been designed. So it can reduce the scarcity of Lpiji gas. Based on observations in the Ambawang Village area, Batu Ampar District, they admitted that obtaining LPG fermented by anaerobic bacteria was difficult. The largest change in manometer air height occurred on days 19 and 30 in Variation S1, the change in manometer air height was 4 cm compared to the previous day. The total height of the manometer for 30 days was 28.2 cm. The pressure of biogas produced for 30 days was 104090.4 N/m2, the maximum amount of biogas evolution on days 19 and 30 was 0.4192011 m3, and the total amount of biogas for 30 days was 12.15 m3. The methane gas produced during 30 days of fermentation can be used on the stove for 51 minutes 34 seconds, and the color of the flame is slightly bluish, indicating that the methane gas produced still contains a small percentage of water. And can heat 1.5 liters of 93°C water for 12 minutes.
Rancang Bangun Pompa Air Aliran Aksial Pipa Pvc 5 Inci Berpenggerak Motor Listrik Rendi, Rendi; Firman, Muhammad; Hartadi, Budi
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1613

Abstract

Axial pumps are one type of pump that is widely used for industrial purposes to move fluids from low places to higher places with large capacities. The axial pump has very complicated components so it has a very expensive price. This study aims to design and build an axial flow pump with a 5-inch PVC pipe casing driven by an electric motor. The design process begins with the determination of pump specifications including the capacity of the fluid you want to flow and the height of the fluid you want to move, then proceed with calculations including the capacity of the electric motor, shaft, and bearings, then proceed with the process of making components according to the calculations that have been done and the final stage is the process assembly and testing. The result of the calculation is that for an axial pump specification with a maximum head of 0.5 m, a pipe diameter of 0.14 m, and a maximum capacity of fluid that can flow 0.02 m3/s, a ½ Hp motor is required with a drive shaft diameter of 10 mm. The test results show that the pump can operate properly, the water capacity that can be moved is 0.0138 m3/s for the variation in the number of blades 2 and 0.0161 m3/s for the variation in the number of blades 3. So the efficiency for the variation in the number of blades 2 is 46.54% and for blade 3 is 54.53%
Pengendalian Kualitas Produk Menggunakan Lean Six Sigma dan Fuzzy FMEA Dalam Upaya Menekan Kecacatan Produk Muvidah, Nada Iman; Yunitasari, Elly Wuryaningtyas; Kusmendar, Kusmendar
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 7 No. 2 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i2.1617

Abstract

Quality control is a process used to ensure the level of quality in a product or service so as to lead to customer satisfaction. UMKM Eko bubut is a UMKM that produces wooden handicrafts with product marketing that reaches the international market. In the problem of product quality control at UMKM Eko Bubut, it was found that there were five types of defects, namely wavy, rough, perforated, cracked, and broken defects. In addition, it was found that there was wastage that occurred which had an effect on disability. Solving quality control problems at UMKM Eko Bubut is by using lean six sigma to identify the sigma level and fuzzy FMEA is used to determine the main priority for repairs to the causes of production defects that occur. The results of the calculation of the defect level of bowl products, it was found that the types of defects were wavy (55.06%), rough (28.29%), perforated (7.82%), cracked (7.22%) and broken (1.61%). The identification results of the waste that occurs are waste defects (28.1%), waste overproduction (17.7%), waste waiting (16.2%), waste motion (16.0%), waste inventory (10.75%), waste transportation (6.55%), and over-processing (4.9%). The results of calculating the DPMO value obtained an average sigma of 3.27 with a DPMO value of 38890.41. This shows that for every 1,000,000 production, there is a possibility that there will be product defects in as many as 38,890 products. Factors that affect product defects are humans, raw materials, methods, machines, and the environment.
Peningkatan Kinerja Turbin Angin Savonius Tipe L Dengan Variasi Jarak Overlap Firman, Muhammad; Rendi, Rendi
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 8 No. 1 (2024)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v8i1.1620

Abstract

This research aims to improve the performance of the Savonius type L wind turbine by varying the overlap distance on the turbine blades. The L type Savonius turbine with two blades is used as a model, with a turbine height of 800 mm and a rotor diameter of 350 mm. The variations in overlap distance used are 20 mm, 30 mm, and 40 mm. The research was conducted at the Mechanical Engineering Laboratory, Department of Mechanical Engineering, Islamic University of Kalimantan. Research data was obtained through direct testing in the field, by measuring the turbine rotation speed and the resulting load. The research results show that the overlap distance has a significant influence on turbine performance. The power coefficient (CoP), torque coefficient (Cm), and static torque coefficient (CTs) values reach their highest point at an overlap distance of 30 mm. However, when the overlap distance exceeds the optimum point, these values tend to decrease. The optimum point is reached at a turbine rotor angle of 90 degrees.

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