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Jurnal Elemen
Published by Politeknik Negeri Tanah Laut
ISSN : 24424471     EISSN : 25812661     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering
Jurnal Elemen is a media for publishing scientific articles in the field of mechanical and automotive engineering which are published regularly in June and December each year. All articles presented are the results of research, conceptual ideas and reviews in the field of mechanical and automotive engineering that have never been published before. Jurnal Elemen managed by P3M in the Tanah Laut State Polytechnic has been ISSN, namely the printed version of ISSN 2442-4471 and online version of ISSN 2581-2661, and for now the Elementary journal has been indexed in ISJD (Indonesian Scientific Journal Database) in PDII-LIPI . then it can be indexed and accredited at SINTA, DOAJ and Scopus.
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Articles 12 Documents
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Search results for , issue "Vol. 9 No. 2 (2022)" : 12 Documents clear
ANALISIS SIFAT FISIK BRIKET LIMBAH ARANG KAYU ALABAN-SEKAM PADI BERPEREKAT TAPIOKA DAN SAGU Akhmad Syarief; Geovani Glen Supit; Andy Nugraha; Muhammad Nizar Ramadhan
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.162

Abstract

Energi terbarukan yang ramah lingkungan merupakan solusi untuk menangani penggunaan energi yang berasal dari fosil. Energi terbarukan dapat berasal dari berbagai macam limbah, seperti limbah arang kayu alaban dan sekam padi. Keduanya merupakan limbah yang jarang sekali untuk dimanfaatkan lebih lanjut untuk mendapatkan nilai ekonomis yang tinggi. Hal ini dikarenakan belum banyak informasi yang beredar di masyarakat dalam hal pemanfaatannya lebih lanjut. Maka dari itu dilakukan penelitian untuk mengetahui bagaimana pengaruh variasi komposisi dan jenis perekat (tapioka dan sagu) terhadap sifat fisik briket (kadar air (water content), kadar abu (ash content), kadar zat terbang (volatile matter), kadar karbon terikat (fixed carbon) dan nilai kalor) pada briket limbah arang kayu alaban dan sekam padi. Terdapat lima variasi komposisi dengan perbandingan limbah arang kayu alaban dan sekam padi yaitu 90% : 10%, 70% : 30%, 50% : 50%, 30% : 70%, 10% : 90%. Menggunakan perekat yang terbuat dari tapioka dan sagu. Hasil penelitian menunjukkan peningkatan limbah arang kayu alaban dan dengan perekat sagu menghasilkan sifat fisik terbaik karena kadar air, abu, dan zat terbangnya rendah sedangkan kadar karbon terikat dan nilai kalornya tinggi. Berdasarkan SNI 01-6235-2000 didapatkan briket terbaik yaitu menggunakan komposisi limbah arang kayu alaban dan sekam padi sebesar 90% : 10% dengan perekat sagu menghasilkan kadar air sebesar 0.54%, kadar abu 4.70%, kadar zat terbang 42.02%, kadar karbon terikat 52.73% dan nilai kalor 5828 kal/gr.
PERANCANGAN ALAT UJI DAYA TAHAN TIMBANGAN BERKAPASITAS 100 KG DI DIREKTORAT METROLOGI BANDUNG Amirul Siddiq Mirza; Adi Pamungkas
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.194

Abstract

Timbangan adalah alat untuk mengukur massa suatu benda. Timbangan yang di produksi di dalam maupun di luar negeri perlu dilakukan kalibrasi dan pengujian lanjut agar dinyatakan layak beredar di pasar Indonesia. Pengujian ini berupa pemberian beban berulang dengan besar beban setengah dari kapasitas timbangan. Pengujian dilakukan oleh Direktorat Metrologi Bandung sebagai instansi yang pemberi izin edar alat ukur. Perancangan alat uji daya tahan (endurance) dibutuhkan untuk mensimulasikan timbangan ditekan dengan beban berulang, seolah untuk menguji kualitas penggunaan timbangan dalam jangka panjang. Hal ini dilakukan untuk menguji keakuratan dalam memunculkan nilai pengukuran massa. Perancangan alat uji daya tahan timbangan menggunakan mekanisme penekanan dari atas ke bawah secara vertikal sebanyak 100.000 kali. Tujuan akhir pengujian adalah melihat keakuratan dari pembacaan nilai massa pada timbangan, sebelum dan sesudah dilakukan uji daya tahan. Perancangan alat uji ini mementingkan aspek dan parameter yang sudah ditentukan oleh standar metrologi, serta diharapkan pengujian dapat dilakukan untuk beberapa jenis timbangan dengan ukuran yang bermacam-macam, sehingga dapat meloloskan timbangan untuk akan diperjual-belikan.. Kata Kunci : Timbangan, Perancangan, Alat uji, Beban
KENDALI TEGANGAN TURBIN ANGIN SUMBU VERTIKAL DENGAN DC-DC BOOST KONVERTER Khairunnisa Khairunnisa; Jazuli Fadil; Edi Yohanes; Syaiful Rachman; Muhammad Khalil; Antonius Rajagukguk
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.196

Abstract

All renewable energy, and all the potential that is currently being explored to face the challenges of global warming by researchers around the world. One of them is a wind turbine. This paper discusses the control of a standalone vertical axis wind turbine with PID controller. The development of turbine technology has been widely developed in terms of aerodynamics, generators, and power electronics configurations. we will explain about the control of a standalone type turbine with a simple control using PID controller. The wind turbine rotor is connected to a Permanent Magnet Synchronous Generator (PMSG), and DC-DC converter. PID controller is used to control the duty cycle of the converter mosfet, so that it can maintain the voltage when the wind speed continues to fluctuate. The simulation shows that PID is able to maintain a voltage with an overshoot value of 4.2%, and reaches a steady state of 0.2 s.
PENGARUH CAMPURAN BAHAN BAKAR PERTALITE DAN PERTAMAX TERHADAP NILAI TORSI, DAYA DAN EMISI GAS BUANG SEPEDA MOTOR 150CC: PENGARUH CAMPURAN BAHAN BAKAR PERTALITE DAN PERTAMAX hajar isworo; Kurnia Dwi Artika; Rusuminto Syahyuniar; Anggun Angkasa Bela Persada; Yulima Melsi Lingga; Imron Musthofa; Adhiela Noer Syaief; Rendy Bagus Kurniawan
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.202

Abstract

The problem that occurs today is that many fuel injection vehicles that use Pertamax are switching to Pertalite for economic reasons. This study aims to determine the difference between the use of pure fuel and a mixture of Pertamax and Pertalite fuels on the power, torque and exhaust emissions produced. This study uses the method of collecting data from pure fuel and combining fuel mixtures from 100% Pertamax, 100% Pertalite and 90% Pertamax 10% Pertalite, 80% Pertamax 20% Pertalite, 70% Pertamax 30% Pertalite The result, the highest torque is at Pertamax 100% 12.34 N.m and Max Power 14.15 Hp. The exhaust gas emission content of pure Pertamax is lower, namely CO 15.3%, HC 458 ppm, CO2 8.4%, and O2 5.95%.
PERANCANGAN DAN PENGEMBANGAN PRODUK CNC MINI 2 AXIS DENGAN METODE QUALITY FUNCTION DEPLOYMENT (QFD) Ahmad Anas Arifin; Kurnia Bekti Indarmawan; Desmas Arifianto Patriawan
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.204

Abstract

Mini lathe is often used for several consumers to simplify lathe work with small workpiece size. There are several sizes of mini lathe on the market, so, it needed several developments. Quality Function Development (QFD) is a developing method from a product or service. This method was used because this method was able to give approach value to develop machine design to meet consumer desires and needs. This study discussed the development of mini lathe based on customer needs which was obtained from questionnaire. The questionnaire was processed inti development data and the basic of comparison design concepts. There were two comparing design concepts, Assessment based on function, ergonomic, design for manufacture, and design for assembly index. Based on assessment, concept number 2 is chosen as best concept.
PLTHV ANALISIS POTENSI PEMBANGKIT LISTRIK TENAGA HIDRO VORTEX (PLTHV) DI DESA SAWAH KEMBANG: ANALISIS POTENSI PEMBANGKIT LISTRIK TENAGA HIDRO VORTEX (PLTHV) Ilmi Rizki Imaduddin; Dwi Agus Fahreza; Lukmanul Hakim; Faris Rahman Maulana
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.207

Abstract

Abstract. Electricity is one of the most basic elements of life on earth. Sawah Bunga Hamlet is located in a mountainous area to the south of Probolinggo Regency, which is one of the mountainous hamlets that has not yet received electricity supply from PLN. In this study, a survey was conducted of 16 hydro vortex power plants located in Sawah Kembang Hamlet which will be investigated. Furthermore, the data collection process is rpm, voltage, current, frequency, and electric power by using a formula to produce a theoretical value for each generator. From this research, it was found that 13 power plants were still running and 3 plants were damaged, where the large potential generated by the hydro vortex power plant produced an average frequency of 65.89 Hz with an average of 157.714 watts of electrical power generated at each. each generator. The results of this study indicate that Dusun Sawah Bunga can apply renewable energy to get to an Energy Independent Village as a pilot village.
PENGARUH PERLAKUAN MEDIA PENDINGIN NaCl TERHADAP PELAPISAN PERMUKAAN SURFACE TREATMENT PADA REL KERETA API UIC R54 Hari Boedi Wahjono; Rafli Rianzah Putra; Willy Artha Wirawan; Fadli Rozaq; Rezki Putra
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.213

Abstract

This study aims to understand and determine how effective the addition of NaCl in the quenching surface treatment media for the UIC R54 railroad. This study applies a method that refers to the theory of surface treatment. First, the surface treatment process is carried out on the surface of the rail specimen. The cooling medium used in the surface treatment process is a mixture of NaCl of 200-800gr NaCl at intervals of 200gr with 1000ml of water. Furthermore, observations of the microstructure and measurement of the hardness value on the surface of the rail specimen were carried out. The average hardness value for raw material specimens is 283.52 BHN. The highest hardness value in specimens that have been surface treated is 346.36 BHN in the treatment of adding 60% NaCl to the quenching medium. In raw material specimens, the phase formed is dominated by ferrite and pearlite. Meanwhile, the phase formed after the surface treatment process is martensite. From these results it can be concluded that a mixture of 60% NaCl with water used as a cooling medium is effective in increasing the hardness value of the rail.
ANALISIS PERPINDAHAN PANAS TUNGKU KRUSIBEL PELEBURAN ALUMINIUM PADA LABORATORIUM TEKNIK MESIN UNIDAYAN La Baride; Muhamad Iqbal Achmad; La Andika; Noor Dhani
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.214

Abstract

Heat transfer plays an important role in the metal smelting process, so it is important for analysis to be carried out. This study aims to analyze heat transfer in a charcoal-fueled crucible furnace equipped with a blower in the mechanical engineering laboratory, Dayanu Ikhsanuddin University. The experimental method in this study was carried out at a furnace crucible burned with mangrove charcoal and equipped with a blower as a channel to circulate air through a 2-inch tube. Based on the results of the study, the heat from mangrove charcoal fuel is 37985.364kJ, the heat of smelting of aluminum is 1635.24kJ, and the heat absorbed by the walls and cover of the furnace is 29152.76kJ. The heat escaping through the cover, chimney, and other losses is 7197.37 kJ. The efficiency of the charcoal-fueled crucible furnace is 81.05%.
PENGARUH VARIASI PENGASAPAN SERAT SABUT KELAPA SEBAGAI KOMPOSIT TERHADAP KEKUATAN IMPACT LA ODE ASMAN MURIMAN; AFDAL SYARIF; HASFANDI
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.218

Abstract

This study aims to determine the mechanical strength properties of coco fiber composites with changes in fumigation time versus impact strength. In this study, we used an experimental approach in which the 100 cm height non-fumigation coir composite was varied in fiber fumigation time for 3, 4, and 5 hours, and the strength of the fumigated coir composite was compared with that of the fumigated coir composite. fiber. compared to - Unfumigated composite materials. Based on the data analysis, the impact strength of the composite tends to decrease, with the fumigasion fiber having an impact value of 0.0404 J/mm2 at 3 hours and the fumigation fiber having an impact value of 0.0274 J/mm2 at 4 hours. has the fumigasion fiber for 5 hours per hour has an effect rate of 0.0241 J/mm2 and without smoking the effect rate is 0.0269 J/mm2.
MATERIAL KOMPOSIT POLIMER TAHAN BALISTIK UNTUK APLIKASI HELM MILITER DALAM MENDUKUNG MATERIAL PERTAHANAN INDONESIA Mahyaruddin Mrp; Sovian Aritonang
ELEMEN : JURNAL TEKNIK MESIN Vol. 9 No. 2 (2022)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v9i2.219

Abstract

Polymer composites are widely used in military applications. In this instance, to shed light on polymer composites and their uses in the field of defense, particularly ballistic ones. Military vests, personnel helmets, and other items that need to be made of ballistic-resistant materials but are still lightweight and reasonably priced, fall into three general categories. When it comes to enhancing the mobility of military forces, composite materials have outperformed metal materials in military applications. Given the speed of approaching bullets, it is crucial that military helmets contain composite materials, one of which is constructed of thermoplastic polymers and thermosets. Utilizing a bullet and a new polymer composite (UHMWPE) with a weight of 1000 g one suitable material for use in military bulletproof helmets is one with a speed of 600 m/s.

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