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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 5 Documents
 1 
Search results for , issue "Vol 6 No 1 (2021): June" : 5 Documents clear
The Effect of Fluid Velocity and Zig Zag Filter Foam Filler Distance on the Effectiveness of Cooling Tower Andrea Setiawan; A’rasy Fahruddin
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 1 (2021): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i1.168

Abstract

This study aims to determine the effect of fluid velocity and the distance between the zig zag filter on the cooling tower by varying the distance between the zig zag bio filter foam. In this study, bio filter foam material was used in a zig zg shape using wire mesh where the distances tested were 5cm, 10cm, and 15cm. Then the water is heated using a heater until it reaches a temperature of 40ºC and then the water is flowed up by a pipe using a pump and removed using a nozzle, then the hot water will go down to the reservoir by passing the bio filter foam arrangement that has been installed with a distance of 5cm , 10cm, and 15cm. Where there is also a drain valve that is done, namely a closed faucet and also an open kran and fully open faucet. A good cooling value is shown at a distance of 5 cm where the average temperature difference is 3.47 C and the effectiveness is 26.67%.
Pipeline Insulation Analysis of Alpha Type Stirling Engine Generator Phase Angle 180° Dhimas Satria; Rina Lusiani; Erny Listijorini; Aswata
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 1 (2021): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i1.1058

Abstract

This research is a development of previous research, where in the previous research, a design innovation was carried out on an alpha-type stirling engine by making the phase angle to 180o, with the aim of reducing the effect when the cold cylinder is compressed, because the phase angle currently used is (90o) with disadvantages, namely the cold cylinder is perpendicular to the top, so that the compression process against gravity. But in previous studies, the generator pipe was too long, causing a lot of energy or heat loss (heat loss) so that the compression speed was small. So that in the research, innovated and analyzed the pipe insulation of alpha-type stirling engine generators, alpha-type stirling engines, 180o phase angle. The research method used is to use the thermodynamic approach with Schmidt theory and the theory of the ideal cycle stirling engine. while the simulation is done using the Ideal Stirling Cycle Calculator. Results investigated shows that providing insulation on the generator pipes of an alpha-type stirling engine for an alpha-type stirling engine with a 180o phase angle is proven to reduce a lot of energy or heat loss (heat loss) due to too long generator pipes, with a heat loss value ratio of 226.66 W for the pipe. generator that uses insulation whose value is smaller than the value of the heat loss when the generator pipe without using isocation is 1,584.12 W.
Rancang Bangun Mekanika Smart Box Untuk Aquarium Ikan Hias Berbasis Arduino Gugun Gundara; Rifqi Risnandar
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 1 (2021): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i1.1388

Abstract

Penelitian ini dilaksanakan dengan tujuan merancang alat yang dapat memberi pakan ikan otomatis, monitoring suhu dan kadar gas amonia pada aquarium ikan hias dengan menggunakan mikrokontroller arduino. Dengan menggunakan motor servo untuk membuka dan menutup katup tempat pakan ikan, Real Time Clock sebagai pengatur waktu dan jadwal pemberian pakan, sensor DS18b20 untuk memonitoring suhu yang ada pada aquarium, serta sensor MQ-135 untuk mengukur kadar gas amonia pada aquarium.Pemberian pakan ikan disesuaikan dengan jumlah berat total ikan yang ada pada aquarium, sehingga untuk menentukan jumlah pakan dilakukan dengan memberikan jeda pada servo. Suhu yang baik untuk aquarium adalah berkisar 29ºC, sehingga untuk mendapatkan suhu yang sesuai pemelihara dapat melakukan penyesuaian dengan menambahkan air hangat atau air dingin agar suhu yang ada pada aquarium dapat sesuai dengan yang dibutuhkan. Kadar gas amonia pada aquarium yang baik adalah berkisar antara 0,2 - 0,5 ppm, agar kadar gas amonia pada aquarium tidak terlalu tinggi dan sesuai yang dibutuhkan dapat dilakukan dengan cara membersihkan aquarium secara berkala dan mengganti air yang ada pada aquarium.
Upaya Pemurnian Landfill Biogas Menggunakan Metode Adsroben Steel Wool Muhammad Affan Adhani; Ni Ketut Caturwati; Imron Rosyadi
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 1 (2021): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i1.1404

Abstract

Nilai kalor yang dimiliki oleh biogas sangat mempengaruhi lamanya waktu proses pembakaran. Beberapa penelitian telah dilakukan untuk meningkatkan nilai kalor yaitu dengan menurunkan kadar zat pengotor yang terkandung bersama biogas. Dalam penelitian ini dilakukan upaya peningkatan nilai kalor biogas dengan menggunakan steel wool sebagai adsorben dengan variasi massa steel wool (500 gram dan 600 gram) dan variasi laju aliran biogas (1 lpm, 2 lpm, dan 3 lpm). Peningkatan nilai kalor biogas sebelum dan sesudah pemurnian ditentukan dengan water heating test. Hasil penelitian menunjukan peningkatan nilai kalor diperoleh pada filter dengan massa adsorben 600 gr dan laju aliran biogas 1 lpm, dimana nilai kalor meningkat sebesar 36.19%. Sedangkan filter dengan 500 gr steel wool adsroben dan laju aliran biogas 3 lpm, menghasilkan peningkatan nilai kalor terendah yaitu sebesar 4.46%. Hasil eksperimen menunjukan peningkatan nilai kalor semakin tinggi jika laju aliran biogas makin rendah melalui kolom adsorben dengan massa steel wool yang semakin tinggi.
The Manufacturing Planning of Installation Series-Parallel Combination Centrifugal Pump Testing Equipment Edi Widodo; Rizky Dwi Jayanto
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 6 No 1 (2021): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v6i1.1547

Abstract

This study discusses the planning in making a centrifugal pump installation with a combination of two series, namely series and parallel. The concept of discussion refers more to the upgrading of the installation system and calculates the estimated processing time needed to test the performance of the results of the installation that has been made. From the results of the research, it was found that for the preparation of series series installation it takes ± 8.5 minutes including the cutting process of materials and component installation, while the time required in making the installation of parallel circuits ± 28 minutes so that the total manufacturing of the two types of series takes 36, 5 minutes. In terms of performance generated from each installation obtained at full aperture where for the series of head series the value obtained is 37.6 m with a flow capacity of 3.25 l / s while for the head value on the parallel pump obtained by 27.7 m with a capacity flow of 3.75 l / s and this pump operates at 2900 rpm. So it can be seen from the results of the head and flow capacity obtained values ​​indicate good pump performance and ready to be used as a practical tool in the laboratory.

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