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Jurnal Rekayasa Material, Manufaktur & Energi
Published by Universitas Muhammadiyah Sumatera Utara
ISSN : 26227398     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Aerospace Engineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Jurnal Rekayasa Material, Manufaktur & Energi, yang diterbitkan oleh Fakultas Teknik, Program Studi Teknik Mesin, Universitas Muhammadiyah Sumatera Utara (UMSU), Medan, Sumatera Utara, Indonesia, Jurnal Rekayasa Material, Manufaktur & Energi menerima artikel ilmiah hasil-hasil penelitian, dan eksperimen, yang mencakup pada bidang Rekayasa Material, Manufaktur dan Energi, Mesin, dan ilmu yang relevan pada sektor terkait.
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Articles 16 Documents
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Search results for , issue "Vol 5, No 2: September 2022" : 16 Documents clear
Rancang Bangun Acwh Dengan Model Tanki Horizontal Dan Penambahan Pcm Sebagai Isolator Dari Sumber Panas Rosadi, Irham; Siregar, Chandra Amirsyahputra; Siregar, Ahmad Marabdi; Lubis, Riadini Wanty; Fadillah, Fahri; M, Moranelo
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.11722

Abstract

Into several stages, namely design, material selection and manufacture. The design uses solidworks 2013 software which includes frame design, tank design, Helical-Coil heat exchanger design and the stage of uniting components designed to be able to flow refrigerant heat to water. The stage of making the tool follows from the design that has been made, namely the frame using angle iron (L) with dimensions of 750mm x 390mm x 1500mm, the tank uses a stainless steel plate and the addition of PCM around the tank with a capacity of 60 liters and an overhaul of the compressor outlet flow that is routed to the Helical-Coil heat exchanger made of copper with a diameter of 6.35mm with APK dimensions 150mm x 300mm or half of the tank height. From the test results, ACWH can work well as evidenced by not using PCM, increasing water temperature with the addition of PCM reaching 60.25 oC within 7 hours of testing, while not using PCM water temperature reaching 60.17 oC within 10 hours.
Efektivitas Pengeringan Pada Kolektor Surya Dengan Sudut Kemiringan 130 Menggunakan Bahan Absorber Putra, Mhd Irwansyah; Syuhada, Ahmad; Nasution, Arya Rudi
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.10956

Abstract

Indonesia is an area with a fairly high intensity of sunlight because of its position on the equator. Its solar energy potential reaches 207.9 GW, while its use is only about 78.5 MW. Therefore, many studies have been conducted on the application of solar thermal energy which is a renewable energy source. One application of solar energy is used for the drying process of a material. In general, people in Indonesia still use traditional drying systems because solar energy is obtained free of charge and does not run out, so traditional drying is relatively cheap. The purpose of this study is to achieve the highest collector temperature by using heat absorption material on the absorber used in the solar collector with several variations of the absorber so as to optimize the heat temperature of the solar collector. This study tested the type of absorber of the most optimal heat absorption material on a solar collector with a slope angle of 1300 and 4 absorber variations, namely (1) iron sand and gram iron, (2) iron sand, (3) hot mix asphalt, and (4) asphalt and iron sand. This research was carried out by describing the tools designed with the preparation of measuring instruments, data collection and data processing carried out on the front page of the Faculty of Engineering and the Laboratory of Thermal Engineering, Faculty of Engineering, Syiah Kuala University. The tools used for the four flat plate solar collectors with the equipment and materials used in this study were wood (boards and beams) as a frame, mica plastic as a collector cover, iron sand and iron gram absorber material, iron sand, hot mix asphalt, asphalt. and iron sand, and rubber wood lat as insulation. The results showed that the distribution of air temperature along the channel tends to increase very sharply, especially in the bend area, this is due to sharp turns which result in flow turbulence. Thus, the highest temperature obtained for each absorber variation of sand and gram iron, iron sand, hot mix asphalt, and asphalt and iron sand with temperatures of 860C, 810C, 830C, and 840C. In this study, the intensity of sunlight is only 857.12 W/m2.
Natrium Silikat Sebagai Inhibitor Korosi Pada Pipa Penyalur Minyak Bumi Jenis Carbon Steel Saputra, Andika; Hakim, Arief Rakhman; Hamdani, M Zulva; Alamsyah, Asfitrah; Amalia, Yasmina
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.10559

Abstract

Corrosion in the pipeline can cause leaks so crude oil directly pollutes the ocean ecosystem. Therefore, proper preventive methods are needed, such as using inhibitors. So far, the corrosion inhibitors used in the petroleum industry are of an inorganic type which can cause new problems such as toxicity to the environment and endanger human health. This paper describes an organic inhibitor based on sodium silicate obtained from rice husks through a synthetic method. The source of this inhibitor is very abundant in nature and the silica content is relatively high, around 86.90-93.70%. This inhibitor from rice husk, apart from having a good ability to reduce corrosion rates, also has the potential to be produced commercially.
Pembuatan Cetak Paving Block Berbahan Plastik Dan Pasir Siagian, Nusyirwan Said; Siregar, Ahmad Marabdi; Mukhtar, Muharnif; Siregar, Chandra Amirsyahputra
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.12404

Abstract

Plastic is a synthetic polymerization product material, plastic is very difficult to decompose where the degradation of the plastic itself usually takes decades by nature. According to the Ministry of Environment and Health and the Ministry of Industry, the amount of waste in 2016 reached 6.25 million tons per year. This makes plastic waste one of the causes of environmental pollution. Recycling plastic waste is a solution to the problem of plastic waste which is increasingly polluting the environment. Realizing the importance of plastic recycling. Then a recycling tool will be made or changing the shape of plastic to be more useful, such as recycling plastic into paving blocks. Recycling plastic waste into paving blocks is expected to be a solution to environmental pollution due to plastic waste. Therefore a paving block printing tool made from plastic and sand is designed and produced which can reach a temperature of 397 0C, the paving block printing machine can make paving blocks made from PVC (Polyvinyl Chloride) plastic waste or plastic pipes. This tool can melt as much as 1.2 kg of plastic waste, namely 1 (one) paving block made from plastic waste and sand. The resulting paving blocks are in the form of bricks with sizes according to SNI Number 03-0691-1998 with dimensions of 10 cm x 20 cm x 6 cm.
Analisis Kekuatan Mekanik Pipa Air dari Bahan Komposit Serbuk Kulit Kerang Zulfikar, Achmad Jusuf; Siahaan, M Yusuf R; Irwan, Ade; Nasution, Fadly A. Kurniawan; Ritonga, Din Aswan A.
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.11938

Abstract

Shellfish is one of the sources of natural wealth that is quite abundant and easy to obtain in the province of Sumatera Utara. In this study, shellfish will be used as an alternative raw material for the manufacture of water pipes. This study aims to obtain the average strength of the material against the bending and compressive loads imposed on the outer surface of the water pipe, calculate the distribution of the test result data by the Probability Density Function (PDF) method, and calculate the contribution of clamshell powder to the bending and compressive strength of the water pipe with the Anova and Tukey methods. Specimens are molded in the form of 2" water pipes according to SNI standards 06-0084-2002. Bending and pressing testing using ASTM D7264 and ASTM D695 respectively. Processing the distribution of test data using the PDF method, the calculation of variable contributions using the Anova method, and the comparison between variables with the Tukey method. The result obtained the best bending strength at a composition of 10% by weight, namely 3.3177 MPa, and the best compressive strength at a composition of 50% by weight of 4.37 MPa. Based on the calculations of the Anova and Tukey methods, the application of clamshell powder significantly affects the bending strength compared to its compressive strength, which is the composition of 10% by weight.
The Effect of Addition of Agave Sisalana Fiber and Sikacim Concrete Additive on Tensile Strength and Concrete Absorption Fahrizal Zukarnain; Kurniawan Syaputra; Sri Frapanti; Rizki Efrida; Ahmad Marabdi Siregar; Ika Pratiwi Pujianti; Hilda Nisti Zendrato
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.12566

Abstract

This paper presents an experimental study that was carried out to determine the potential of natural fiber Agave Sisalana and sikacim concrete additive chemicals on concrete used as construction materials. The concrete mix ratio 1: 1,34: 2,37 was prepared using a water-cement factor of 0,45. Sikacim concrete additive is added as much as 0,8% of the cement weight and a reduction of water as much as 15%. The Agave Sisalana fiber added as much as 0,3% and 0,6% of cement weight. Tensile strength concrete testing was carried out at the age of 21 and 28 days. The experiment result indicated that the tensile strength and water absorption in concrete increase with the addition of Agave Sisalana Fiber and sikacim concrete additive. Thus, the Agave Sisalana Fiber and Sikacim Concrete Additive can be used as an additive in concrete mixing to increase tensile strength.

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