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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 6 Documents
 1 
Search results for , issue "Vol 5 No 1 (2020): Juni 2020" : 6 Documents clear
Comparative Analysis of the Head Loss of Two Centrifugal Pumps in a Fluid Test Laboratory Ridho Choirul Anam; Edi Widodo; Iswanto; A’rasy Fahruddin
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 5 No 1 (2020): Juni 2020
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v5i1.409

Abstract

The purpose of this study was to determine the characteristics of the two centrifugal pumps using the same circuit and to obtain the resulting value, namely head, discharge, pump power, efficiency of the two pumps. And variations in valve opening settings used are full valve openings, valve openings 2/3, and valve openings 1/3 which have different coefficients at each valve opening. This research method was carried out experimentally. The fluid used is water, fluid pressure measurement using a pressure gauge to measure the pressure side (discharge) and a vacuum pressure gauge to measure the pressure which is relatively lower than the atmospheric pressure for the pump on the suction side (suction) and using a flow meter to determine the volume or discharge water used. The results of this centrifugal pump test equipment research found that the working pump shows that the resulting discharge affects the head value, pump power, and pump efficiency obtained, the higher the total head value, the smaller the resulting discharge. However, this centrifugal pump test equipment can be used for fluid practicum activities in the mechanical engineering department in the mechanical laboratory.
Analisis Sifat Mekanik Komposit Bahan Kampas Rem Dengan Penguat Serbuk Kayu Jati Dan Serbuk Kuningan Mochamad Hisam Alamsyah; Gugun Gundara
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 5 No 1 (2020): Juni 2020
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v5i1.870

Abstract

The purpose of this research for analyze composite material reinforced tesk wood powder and brass powder and epoxy resin matriks as brake pads material. The mix of composite brake pads divided into three kinds are Spesimen A, Spesimen B, Spesimen C, with different material composition next made to be mixing process, compacting, and sintering. This testing done with way test violence through Brinell method, test of wear rate use tool of Ogoshi high speed universal wear testing machine produce data of highest violence composite owned by Spsesimen A with score 10 HBN and highest wear rate owned by Spesimen C with score 0.0004 Kg/mm2. Composite material teak wood powder and brass powder and epoxy resin matriks have character of mechanics if composite have score of big violence so wear rate will more low and otherwise if composite have score of little violence so the wear rate will more high.
(Performance of Gas Turbine Cooling System (Radiator) at PLTGU XYZ against Environmental Air Temperature) Ni Ketut Caturwati; Yusvardi Yusuf; Muhammad Ilham Al Faiz
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 5 No 1 (2020): Juni 2020
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v5i1.889

Abstract

The heat exchanger is an important component in the gas and steam power plant (PLTGU) industry. One of the most important heat exchangers in gas turbine cooling systems is the gas turbine radiator. The gas turbine radiator functions to cool the cooling water, which circulated to various components of the gas turbine by using environmental air as the cooling medium. The purpose of this study was to determine the effect of environmental temperature on the performance of gas turbine radiators and to compare operational data in 2017 with operational data when the study conducted in 2019. Data collected for 3 days with 2-3 hour intervals. Data processing and analysis shows that the higher the ambient temperature, the higher the radiator effectiveness value. Data in 2017 shows the highest average value of effectiveness obtained at an ambient air temperature of 35 ˚C of 71,274%. Meanwhile, data in 2019 shows the highest average value of effectiveness at an ambient air temperature of 35 ˚C of 58,859%. Thus, the average effectiveness value of gas turbine radiators has decreased by 12,415% from 2017 to 2019
Analisa Uji Performasi Sistem Kemudi, Trnasmisi, dan Sistem Pengereman pada Mobil Listrik Tipe Urban Concept Warok V.1.1 Wawan Trisnadi Putra; Muhammad Malyadi
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 5 No 1 (2020): Juni 2020
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v5i1.891

Abstract

Penelitian ini bertujuan melakukan uji performasi sistem kemudi, transmisi, dan sistem pengereman mobil listrik Tipe Urban Concept Warok V.1.1. Asumsi dasar mobil listrik dirancang dengan tipe Urban Concept (Kendaraan roda empat seperti mobil saat ini) yang disesuaikan dengan regulasi Kontes Mobil Hemat Energi (KMHE), yang diselenggarakan pemerintah Indonesia melalui Kemenristekdikti. Pada rancangan sistem kemudi menggunakan sistem kemudi berjenis ackerman, sistem transmisi menggunakan chain drive differential sedangkan sistem pengereman menggunakan cakram hidrolik. Pada hasil pengujian sistem kemudi memiliki sudut belok maksimum adalah 45 dengan radius belok kurang dari 6 meter, untuk sistem transmisi pada pengujian kecepatan putaran mesin roda belakang ( ) adalah 589,867 rpm dan putaran motor listrik 642,6 rpm dengan kecepatan rata – rata 53 km/jam. Besarnya perlambatan sistem pengereman adalah 4,901 dan 1,47 s untuk waktu pengeremannya.
Sidoarjo Mudflow Electric (SMF-E): Optimalization of Sidoarjo Mudflow as an Electric Supplier Based on Electrochemical Deni Ainur Rokhim
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 5 No 1 (2020): Juni 2020
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v5i1.892

Abstract

Sidoarjo mudflow or known as Lusi (Lumpur Sidoarjo) is an ecological disaster that has caused the community fret. Most of them haven’t known that the mud contains elements that can produce electricity. This research aims to find the basic value that can be obtained from ecological disaster. The research design uses electrochemical method development with magnesium and copper electrodes. The result of the electric power that can be generated is 7,07135 watt/hour. It can reach an area of 4.405986 km2 or as wide as one residential in an electric production plant. The use of Lusi is very effective because it contains high metal and high salt content. The abundant amount of Lusi can be utilized effectively throughout this way
Effect of Angle of Attack on Airfoil NACA 0012 Performance Ali Akbar
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 5 No 1 (2020): Juni 2020
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v5i1.1235

Abstract

Airfoil is an aerodynamic form intended to produce a lift force with the smallest drag force. When an airfoil is passed through a fluid flow that causes interaction between the air flow and the surface, variations in velocity and pressure will occur along the top and bottom surfaces of the airfoil, as well as the front and back of the airfoil. The difference in pressure between the upper and lower surface of the airfoil is what causes the resultant force in the direction perpendicular to the direction of fluid flow, this force is called the lift force (lift). In this experiment NACA 0012 airfoil experiments have been carried out using simple wind tunnel. Experiments were conducted with the aim to determine the effect of the angle of attack on the performance of the NACA 0012 airfoil which then analyzed the lift force of the NACA 0012 airfoil. The variation of the angle of attack used was 0 °, 3 °, 6 °, 9 °, 12 °, and 15 ° and used wind speed of 21.5 m / s. The greatest lift force is obtained at an angle of attack of 9 ° with a value of 0.981 while the largest lifting coefficient with a value of 0.106. The greater the angle of attack the greater the airfoil lift force, but for symmetrical airfoil stall at an angle that is too large

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