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R.E.M (Rekyasa Energi Manufaktur) Jurnal
Published by Universitas Muhammadiyah Sidoarjo
ISSN : 25275674     EISSN : 25283723     DOI : https://doi.org/10.21070/r.e.m
Core Subject : Engineering,
Engineering
Focus and Scope Aim: to facilitate scholar, researchers, and teachers for publishing the original articles of review articles. Scope: Mechanical Engineering include: Energy Conversion Renewable Energy Manufacturing Materials and Design Engineering Mechatronics
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 155 Documents
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Perancangan Alat Pengering Kerupuk dengan Menggunakan Pemanas Heater Mohammad Sandoyo Adamsyah; Mulyadi Mulyadi
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 4 No 1 (2019): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v4i1.2187

Abstract

Drying is the process of reducing water content to reach a certain moisture content. The drying process of mussel cauliflower in Balongdowo village still relies on sunlight in the drying process. Drying with this process is considered to be less efficient because when the hot rainy season the sun is unpredictable and requires extensive land in the drying process. To overcome this problem, in this final project, the title of the design of cracker dryer is taken using heater heater. Which is expected to increase effectiveness and productivity when the rainy season arrives can also reduce the time and production costs. The method used to solve these problems is to use the bootroyd design method which is designing a dryer that consists of the main components of the drying chamber, conveyor, drive motor and gearbox. The results of the test showed that the drying time of 76 seconds reduced the initial water content of 70% reduced to 15% the water content contained in crackers.
Fuel Analysis HSD Diesel and Bio Diesel Related Engine Performance Reach Staker Kalmar in PT. Meratusline Ponidi Ponidi; Ibnu Salam
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 4 No 1 (2019): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v4i1.1537

Abstract

Modern diesel engines require low sulfur fuel. So we held some external lab test of solar sampling at some diesel vendor to know its sulfur content. so that obtained by diesel vendor approaching standart. The sulfur content of DirjenMigas (0.25% w / w) is HSD of AKR of 0.153% w / w and Biosolar from ENEOS is 0.0343% w / w. The selection of two types of fuel is based on the needs of fuel by engine manufacturers (OEM) and the most efficient sulfur content. Side effects of excess sulfur content have resulted in the clogging of its fuel pump injection. So that the fuel supply to the combustion chamber is disrupted Too high sulfur levels also cause dangerous emissions and decreases its performance engine. To know the performance of the machine by Dyno / Dinamometer test machine performance, this is as a comparison material where the most efficient fuel that must be selected, to get the best engine performance, by three criteria taken such as Torque, Power engine, and Fuel Consumtion. So obtained Torque Output generated by HSD with Torque Reading result 810 lb.ft@1990 Rpm, Power result 302 HP, and specific fuel consumption 0.02 (kg / PS.jam) if compared with Bio diesel Torque output of 750 lb.ft @ 1960 rpm, Power of 283 HP and Specific fuel consumtion 0.01 (kg / PS.jam). of the data can be taken diesel decision that must be taken according to the level of fuel efficiency and engine performance is HSD solar AKR vendors with the level of efficiency of power output 6.29%, torque 7.40% and specific fuel consumption 50%.
Pengaruh Temperatur Pirolisis terhadap Kinetik Rate dan Volume Tar pada Limbah Serbuk Kayu Mahoni Purbo Suwandono; Andy Hardianto
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 4 No 1 (2019): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v4i1.1782

Abstract

Pyrolysis is an alternative technology that is a method for obtaining hydrocarbon energy sources. This technology is a combustion technology without involving O2 in the combustion process. The source of fuel from pyrolysis comes from renewable resources such as biomass / plants. Wood powder itself can be obtained from wood waste around us, so wood powder which is a biomass can also be used as raw material in the pyrolysis process. So far wood waste has only been used as a medium for planting mushrooms and fires. Whereas the use of wood waste in the manufacture of liquid smoke and charcoal has received attention in recent years, which can be produced by the pyrolysis method. The hypothesis of the study is that the higher the temperature, the higher the kinetic rate and volume of tar. this is because the energy given to biomass is also higher. The research method is to pyrolyze the material into the pyrolyzer machine with temperature variations, and later the reaction rate kinetic of the formed tar will be calculated. From this study we can conclude a number of things, namely: The higher the temperature of the volume of tar produced will be more numerous where the maximum volume obtained at a temperature of 500oC is 72 ml, but at very high temperatures the tar volume decreases because a lot of gas is formed. The higher the heating temperature, the kinetic rate that occurs in the decomposition of mahogany wood will also be faster, this has been validated the accuracy of the kinetic rate that occurs by comparing the actual volume with the volume of calculation results. The higher the heating temperature, the activation energy (Ea) and the exponential factor (A) will be smaller.
Peningkatan Ekonomi Ampas Tahu Menggunakan Mesin Pengering Teknologi Rotary Untuk Membuat Bahan Tepung dan Pakan Tri Hartutuk Ningsih; Bellina Yunitasari
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 4 No 1 (2019): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v4i1.1771

Abstract

The purpose of this program is to provide solutions to the problems that exist in tofu production SMEs, especially the problem of processing side effects of waste production which so far has not been maximally utilized, the production waste in the form of tofu waste can be utilized as a high economic value product. The method used is the process of drying the tofu dregs using rotary technology and the heat exchanger technology used to dry the tofu dregs and this tool is equipped with an automatic temperature regulator which is used to control the temperature in the drying tube. By using this machine, the wet tofu dregs can be dried quickly and the resulting color remains white (as in wet conditions). Based on the results of the drying test, the economic value of tofu waste can increase the economic value of tofu waste which initially only Rp. 10,000 to Rp. 63,000 per bag.
Designing Products Sports Shoes Using the Quality Function Deployment (QFD) Method Ribangun Bamban Jakaria; Hadi Purnomo; Iswanto
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 2 (2021): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i2.877

Abstract

Sports shoe products produced by (MSME) actors in Mojokerto have not demonstrated theperformance of products received by the public, this is based on the design of shoes done still sourced from thedesign of sports shoes owned by well-known brands that are marketed around mojokerto, research is done todayaimed to design competitive sports shoe products, with the best quality as well as with the latest models that suitthe needs of consumers. The design of sports shoe products is carried out today using Quality FunctionDeployment (QFD). The result of the design of shoe products that are ed has product specifications namelytopline / collar made of elastic and soft, eyestay/strap hole with a certain amount, patterned and embossed upper,flexible and soft midsole, toe box with hole point as air circulation, lace shoe adjusted to skin color, logo designused embossed, detachable insole and elastic insole, flexible wedge, jagged outersole, elastic tongue/tongue,patterned vamp toe, soft and soft tab heel. With the design of the shoes is expected to provide a shoe design thatis acceptable to the public, has competitiveness and reduces the reliance of shoe design on famous brands
Technology Innovation of Ginger Spring Machine as a Traditional Jamu for Coronavirus Prevention Nely Ana Mufarida; ASROFUL ABIDIN
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 2 (2021): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i2.1529

Abstract

The COVID-19 disease, including its prevention and treatment, is becoming a lively conversation in the community. There are many ways to protect yourself from the coronavirus. Apart from doing social distancing, consuming traditional drinks can also be a great way to increase endurance. Jamu has been a part of traditional Indonesian medicine for a long time. Herbal medicine is believed to provide a number of health benefits as well as to treat various diseases. Traditional spices are quite effective in maintaining endurance and are one of the solutions against the increasingly aggressive coronavirus (Covid-19) outbreak. Ginger drink is one of the traditional drinks that is easy to make and has the power to increase endurance to avoid the coronavirus (Covid-19). Ginger contains the bioactive compound gingerol which can fight the respiratory syncytial virus that causes respiratory infections. To make the ginger drink, it is necessary to squeeze ginger from the dregs. So far, the processing is done manually by using a grate and squeezing it by hand. People who grate get tired, especially if they have to grate large amounts of ginger. Based on this, appropriate technological innovations need to be applied to increase production yield and quality of squeezed ginger, namely by making the design of "Automatic Ginger Squeezing Machine" which is quite practical and can be used on a household scale with a capacity of 35 kg/hour and a power of 750 Watts. Ginger that is processed in this machine will be immediately separated from the pulp. The production process will be shorter and more efficient because the ginger juice and pulp are separated automatically with a larger capacity. This machine uses stainless steel to ensure the quality of the processed product and maintain the health of the process. This machine works automatically from the beginning to the end of the ginger pressing process.
Static Stress Analysis and Fatigue Life Prediction of Rocket Motor Test Stand Using Numerical Simulation Lasinta Ari Nendra Wibawa
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 2 (2021): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i2.1533

Abstract

The rocket motor test stand is the equipment used to test the rocket motor's performance under controlled conditions. This equipment is used to measure the thrust of the Dextrose rocket motor and test the ability of components such as the tube, fuel, nozzle and cap of the rocket itself. Before the Dextrose rocket flight test is carried out, it must go through this test. In this study, the variations in the thrust are 2000, 2250, 2500, 2750, and 3000 N. The rocket motor test stands used Aluminum 6063-T6 which has light density and medium strength. Numerical simulations were carried out with Ansys Workbench software using the finite element method. The results of the static stress analysis show that the greater the thrust, the greater the maximum von Mises stress and deformation. It is inversely related to the safety factor. The greater the thrust, the lower the safety factor of the rocket motor test stand. The results of the fatigue simulation show that the greater the thrust, the lower the prediction of fatigue life and the safety factor. Rocket motor test stand fails to reach a 1 million cycle life at 3000 N thrust.
Corrosion Behavior of Titanium Ti6Al4V ELI Bioceramic Coated Alloy in Artificial Saliva Modified Liquid at Fluctuating Temperatures Riza Muharni; Aminar Sutra Dewi
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 2 (2021): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i2.1627

Abstract

Titanium paduan merupakan material implan yang banyak digunakan untuk implan medis terutama bidang kedokteran gigi ( ortodentik ). Aplikasi implan gigi pada rongga mulut mengalami fluktuasi temperatur sesuai dengan temperatur makanan dan minuman yang masuk kedalam mulut sehingga membuat implan mudah terkorosi. Pada penelitian ini dilakukan pelapisan biokeramik hidroksiapatit pada permukaan Ti6Al4V ELI dengan metode EPD kemudian direndam dengan larutan air ludah buatan selama 6 minggu pada temperatur yang berfluktuasi yaitu 20ºC dan 60ºC. Tujuan dari penelitian ini adalah mengetahui pengaruh temperatur fluktuasi dalam air ludah buatan terhadap laju korosi dari Ti6Al4V ELI yang dilapisi biokeramik dengan metode weight loss ( kehilangan berat ) dan mengetahui pengaruh temperatur fluktuasi dalam air ludah buatan terhadap nilai kekerasan dari Ti6Al4V ELI yang dilapisi biokeramik.Hasilnya laju korosi menurun dari 1,10 mpy menjadi 0,43 mpy dan nilai kekerasan menurun dari 317 HVN menjadi 200 HVN. Hal ini menunjukkan bahwa hidroksiapatit dapat menghambat korosi tetapi tidak dapat mempertahankan sifat mekanis dari implan.
Analysis Numerical Of Torsion Strength Of Low Carbon Steel Using Software (Solidworks) Affandi; Syifaul Huzni
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 2 (2021): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i2.1628

Abstract

One of the components, namely the shaft that is subjected to torsion will experience torsional deformation. The greater the torsional deformation indicates the ability of the engine components is low, and vice versa. The problem that often occurs during torsional testing is that processing the data into a shear stress-strain curve requires a lot of effort. If the specimen used is a solid rod, there will be a fairly steep stress gradient along the cross-section of the specimen making measurements difficult. The objective of this research is to identify and analyze the torsional strength test on low carbon steel by a numerical method using SolidWorks software. The torsion test specimen is low carbon steel with ASTM E-143 standard. This research method begins with a literature study, testing the composition of the test specimen, making and modeling torsion test specimens. After that, torsional testing was carried out which was then carried out with static simulation tests. Then perform a torsional strength analysis using the finite element method using software (SolidWorks). Based on the results of geometry making and modeling of torsion test specimens with ASTM E-143 standard, that the stress distribution that occurs on the surface of the specimen angle area has a value that is not too significant, ranging from 2.879e+09 and 2.973e+09. However, it is necessary to simulate the torsion test of the SolidWorks software with varying mesh sizes and torsion test specimens with different ASTM standards.
Numerical Analysis of Low Carbon Steel Tensile Strength Using Software (SolidWorks) Arya Rudi Nasution; Edi Widodo
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 7 No 1 (2022): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v7i1.1629

Abstract

Pengujian tarik merupakan suatu mesin pengujian bahan yang paling mendasar. Pengujian merusak adalah salah satu pengujian untuk melihat kekuatan dan ketangguhan dari material. Pengujian ini sangat sederhana, tidak mahal dan sudah mengalami standarisasi di seluruh dunia, misalnya di Amerika dengan ASTM E-8 dan Jepang dengan JIS 2241. Penelitian ini ingin melihat besaran kekuatan bahan menggunakan metode elemen hingga. Metode elemen hingga (finite element method) merupakan metode numerik yang digunakan untuk menyelesaikan permasalahan dalam bidang rekayasa. Untuk meganalisa numerik menggunakan software SolidWorks. Material yang digunakan baja karbon rendah dan dibentuk geometrinya sesuai ASTM E8. Untuk melihat komposisi material digunakan microskop optical emission spectroscopy. Pengujian tarik eksperimen menggunakan mesin uji tarik Universal Test Machine dengan kapasitas maksimal 50 kN. Hasil pengujian eksperimental dan hasil pengamatan komposisi pada material dimasukkan kedalam software SolidWorks dan selanjutnya melakukan simulasi untuk mendapatkan/mengetahui besarnya nilai kekuatan dari material. Sebelum dilakukan simulasi setiap geometri spesimen dibedakan/divariasikan berdasarkan panjang mesh. Variasi mesh 2, 4, 6, 8 dan 10. Dari hasil pengujian eksperimen nilai tegangan (stress) yang diperoleh 2.451E+09N/m2. Hasil dari simulasi numerik, nilai tegangan pada material disetiap variasi berbeda – beda, ini menunjukkan bahwa silmulasi berjalan dengan baik. Nilai tegangan yang didapat pada eksperimental tidak begitu jauh besarnya dengan hasil simulasi. Hasil simulasi dengan panjang mesh 2 dan 4 sangat mendekati nilai dari eksperimen. Semakin besar mesh akan mempengaruhi nilai hasil simulasi.

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