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All Journal JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Teknovasi : Jurnal Teknik dan Inovasi Mesin Otomotif, Komputer, Industri dan Elektronika JTTM: Jurnal Terapan Teknik Mesin Sinergi Polmed : Jurnal Ilmiah Teknik Mesin IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) IRA Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Muhammad Idris
Program Studi Teknik Mesin, Fakultas Teknik, Universitas Medan Area
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Analisa Dampak Penurunan Kinerja Lube Oil Cooler Pada Turbin di PLTU Belawan Husin Ibrahim; amirsyam nasution; Indra Hermawan; Muhammad Idris Hutasuhut
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol 4, No 1 (2020): EDISI JUNI
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (648.008 KB) | DOI: 10.31289/jmemme.v4i1.3282

Abstract

Lube oil cooler adalah cross flow compact heat exchanger yang berfungsi untuk melepaskan panas yang dibawa oleh minyak pelumas dialirkan melalui sisi shell menuju sisi tube dengan fluida pendingin air demin dimana masing-masing cairan dipisahkan di dalam lube oil cooler. PT. PLN Sektor Pembangkit Belawan merupakan salah satu unit pembangkit tenaga listrik di wilayah Sumatera Utara yang kinerja dan kehandalannya sangat penting untuk menjamin kelangsungan pasokan listrik. Dari penelitian ini, rasio koefisien perpindahan panas disisi shell dan pipa tube serta efektivitas perpindahan panas yang terjadi dapat diketahui dengan menganalisa temperatur masuk dan keluar aliran air pendingin dan minyak pelumas dapat ditentukan. Selain itu dampak dan penyebab penurunan kinerja lube oil cooler dapat diketahui. Penelitian ini berfokus pada analisis data temperatur masuk dan keluar pendingin minyak pelumas dan tekanan diferensial yang tercermin dari data operasional yang dikumpulkan dari ruang kontrol lembar kertas PLTU Belawan.
Kinerja Mesin Motor 4 Langkah dengan Bahan Bakar Campuran Bioetanol dan Pertamax Indra Hermawan; Muhammad Idris; Darianto Darianto; M. Yusuf R Siahaan
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol 5, No 2 (2021): EDISI DESEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v5i2.5787

Abstract

The availability of fossil fuels as an energy source is increasingly limited, so there is a need for new energy sources as environmentally friendly alternatives, one of which is bioethanol. Bioethanol is a type of biofuel sourced from living matter, usually plants with the chemical formula C2H5OH and the empirical formula C2H5O with an octane number of 108. One of the benefits of bioethanol for fuel mixtures is due to the higher octane value, flammability, heat of vaporization and higher oxygen content lowers cylinder temperature thereby reducing NOx emissions and producing less CO2. This study aims to evaluate the performance of a 4 stroke engine by comparing the use of Pertamax and bioethanol mixtures of fuel with a composition of 25%, 20%, and O% bioethanol. The study used an experimental method where data was collected and then data processing and data analysis were carried out. The results obtained the highest power of 8.70 kW at 25% bioethanol at 6000 rpm, followed by 20% bioethanol and 100% Pertamax at 8.60 rpm with rotations of 6500 rpm and 7000 rpm respectively. The highest torque of 25% bioethanol is 13.80 Nm at 5500 rpm, followed by 3.10 Nm at 5000 rpm at 100% pertamax and 12.80 Nm at 5500 rpm with 20% bioethanol fuel. The lowest fuel consumption is 0.57 kg/kWh at 7000 rpm with 100% pertamax fuel, then 0.60 kg/kWh with 20% bioethanol fuel at 6500 rpm and 0.6 kg/kWh with 15% bioethanol fuel at 6000 rpm
Analisis Pengaruh Ukuran Batubara Terhadap Performa PLTU dengan Jenis Boiler Tipe Chain Grate Muhammad Idris; Anggih Prasetyo Wibisono; Indra Hermawan; Iswandi Iswandi; Uun Novalia Harahap
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol 6, No 1 (2022): EDISI JUNI
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v6i1.5985

Abstract

Based on ASME standard section VII, Part. 13, the recommended coal sizing for boiler stoker is 32 mm with a maximum mixture of 25% in 6 mm. PLTU Tanjung Balai Karimun (2x7 MW) which has a chain grate type of stoker boiler, for its operation using mostly in fine particle coal size with 58% in 31,5 mm – 2,38 mm and 17% in < 2,38 mm.  Regarding the use of non-standard ASME coal size on boiler stoker, the aim of this research is to know the effect of that coal to the performance of the power plant in the term of specific fuel consumption (SFC), turbine heat rate (THR), gross plant heat rate (GPHR), net plant heat rate (NPHR) and thermal efficiency of the cycle. After analyzing and calculating the operation data of the power plant, it is known that to produce 1 kWh of power, the power plant that uses fine particle coal size has a 26,80% higher on SFCgross and GPHR value, 25,87% higher on SFCnetto and NPHR value, and also 0,47% higher on THR value, but the thermal efficiency value is 4,43% smaller than when the power plant operates using standard ASME coal size. So it can be concluded that to produce 1 kWh the power plant when operating using non-standard ASME coal size requires more both energy and coal than when the power plant operates using standard ASME coal size
Analisis Perpindahan Panas pada Kondensor dengan Metode Lmtd pada Proses Pirolisis Ampas Kelapa Denny Fachri Mariadi; Muhammad Idris; Iswandi Iswandi; Syafruddin Ritonga; Uun Novalia Harahap
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol 6, No 1 (2022): EDISI JUNI
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v6i1.5984

Abstract

 Pirolisis merupakan proses dekomposisi kimia bahan organic melalui proses pemanasan tanpa atau sedikit oksigen  atau regen lainnya, dimana material mentah akan mengalami pemecahan struktur kimia menjadi fase gas. Pirolisis dilakukan di sebuah reactor dengan pengurangan atmosfer (hampa udara) pada temperatur hingga 8000 C.  Konversi biomasa menjadi bahan bakar terdiri dari 2 cara Biochemical dan Thermochemical. Pada penelitian ini penulis akan mengkonversi biomasa ( ampas kelapa )  dengan cara pirolisis. Tujuan penelitian ini di lakukan untuk menganalisis laju perpindahan panas pada kondensor dengan mengunakan metode LMTD log mean temperature difrent. Bahan yang di uji pada penelitian ini adalah sisa ampas kelapa dari industri pmerasan santan kelapa yang banyak terbuang sia-sia. Bahan yang telah di dapatkan kemudian di pirolisis di reactor pirolisis. Dari hasil pengujian dapat di ketahui bawah analisis perpindahan panas dengan metode log mean temperature different aliran berlawanan arah lebih efektif di gunakan dibandingkan dengan aliran searah, efektifitas kondensor sebesar 97,9%  pada aliran berlawanan aran dan pada aliran searah sebesas 88.8%. Nilai kondensasi filem di dapat sebesar 9.8% Pada aliran berlawanan arah dan 3.2% pada aliran searah yang merupakan hasil luaran biooil.
ANALISIS KOMPOSISI KOMPOSIT POLIPROPILEN/KARBON AKTIF TERHADAP KEKUATAN BENDING UNTUK APLIKASI PLAT DWIKUTUP FUEL CELL Iswandi Iswandi; Muhammad Idris; Indra Hermawan; Yopan Rahmad Aldori; Muhammad Irwanto
Jurnal Teknovasi : Jurnal Teknik dan Inovasi Vol 9, No 1 (2022): TEKNOVASI APRIL 2022
Publisher : LPPM Politeknik LP3I Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55445/teknovasi.v9i1.661

Abstract

Carbon-based material is one of the main filler materials for the manufacture of polymer composite bipolar plates for fuel cell applications. Some variation materials filler based carbon used on manufacture bipolar plate white high cost.  Determine of low cost filler materials is one of special issue for manufacture bipolar plate. Activated carbon is a alternative for suitable filler material base carbon at polymer composite and easy to find in Indonesia. This study investigates the effect of activated carbon composition in polymer composites on bending strength with a composition of 10, 20, 30, 40 (percent by weight) activated carbon (AC) with a polypropylene (PP) matrix. The sample has fabricated used hot press mouding with mix process at 220o­­­ C temperatures with 320 Psi pressure in 20 minutes. The bending test results with the standard three point bending test ASTM D790-03, The best value was found at a composition of 10% by weight of activated carbon of 26.9 MPa. This achievement has been obtained the Department of Energy, United State Of America (DOE USA) standard is 25 Mpa. This condition due to the polymer's composition of 10% KA to 90% PP, which makes it easier for the polymer to yield higher bonding and hence boost bending strength.
ANALISIS PROTOTYPE PEMBANGKIT LISTRIK TENAGA SURYA UNTUK PENERANGAN LAMPU JALAN Rani Saragi; Muhammad Idris; Burhanuddin Tarigan; Rihat Sebayang
SINERGI POLMED: Jurnal Ilmiah Teknik Mesin Vol. 3 No. 1 (2022): Edisi Februari
Publisher : Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.973 KB) | DOI: 10.51510/sinergipolmed.v3i1.705

Abstract

PLTS atau Pembangkit Listrik Tenaga Surya adalah peralatan pembangkit listrik yang mengubah cahaya matahari menjadi listrik. PLTS sering juga disebut Solar Cell, atau Solar Photovoltaic, atau Solar Energi. Dengan konsep yang sederhana yaitu mengubah cahaya matahari menjadi energi listrik yang mana cahaya matahari adalah salah satu bentuk energi dari Sumber Daya Alam. Cahaya matahari sudah banyak digunakan untuk memasok daya listrik di satelit komunikasi melalui sel surya. Sel surya ini dapat menghasilkan energi yang tidak terbatas langsung diambil dari matahari, tidak memerlukan bahan bakar. Sehingga sel surya sering dikatakan bersih dan ramah lingkungan. Perkembangan era globalisasi saat ini berdampak pada kebutuhan energi listrik yang semakin meningkat sehingga sangat diperlukan sumber energi alternatif terbarukan untuk memenuhi kebutuhan listrik saat ini. Indonesia merupakan negara yang terletak di daerah khatulistiwa, sehingga memiliki intensitas penyinaran matahari yang baik setiap tahunnya. Dalam rancang bangun ini energi surya digunakan untuk Pembangkit Listrik Tenaga Surya untuk Penerangan Lampu Jalan. Energi matahari yang menerpa panel surya menghasilkan arus listrik masuk ke solar charger controller yang berfungsi mengatur tegangan yang masuk ke baterai. Dari hasil pengambilan data diperoleh hasil efisiensi pengisian/pengecasan baterai 8.8 % dan efisiensi beban sebesar 96.25 % Baterai menghasilkan arus DC, sehingga arus di alirkan ke beban (lampu).
Analisis Pengaruh Bio Additive Pada Bahan Bakar Terhadap Unjuk Kerja Mesin 4 Langkah Poppy Aprilya Sitorus; Rahmatullah Rahmatullah; Darianto Darianto; Muhammad Idris
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 6 No. 2 (2022): Edisi Desember 2022
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v6i2.6869

Abstract

Bioadditives are elements derived from plants that are used as additives to improve fuel quality. Citronella oil is one type of essential oil that has been studied for its potential as a fuel bio additive because of its volatility and ability to dissolve into fuel. The purpose of using this bioadditive is to increase engine performance. This research was conducted using an experimental method, some of the samples tested consisted of pertalite fuel, bioethanol then the development was carried out by adding the Bioadditive element citronella oil to the fuel with a ratio of 2,0 : 1000 ml, 3,0 : 1000 ml, and 3,5 : 1000 ml. The sample test was aimed to measure engine performance using a dynamometer. The results of this study show that the use of citronella bioadditives can improve motorcycle performance, the maximum power increases by 55% at a ratio of 2,0 : 1000 ml, and the optimum torque is achieved by 39% at a ratio of 2,0 : 1000 ml. In addition to these tests, measurement of fuel consumption is also carried out by producing a savings of 10%, using a ratio of 2,0 : 1000 ml.
Analisisi Unjuk Mesin Genset Kerja dengan Bahan Bakar Kombinasi Biogas dan LPG Tino Hermanto; Muhammad Idris; Indra Hermawan; Akhiruddin Akhiruddin
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 1 No 3 (2022): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v1i3.30

Abstract

Energy has a very important role in supporting sustainable development because increasing development growth results in an increase in the need for fuel. In the performance of the generator engine, there are several important parameters in data collection such as effective power, torque, specific fuel consumption, and thermal efficiency. In this research, several types of fuels such as LPG and biogas are used, which are expected to be used as alternative fuels that are more environmentally friendly. This research was carried out experimentally on a 4-stroke generator engine which has made changes to the oil-fueled carburetor to use gas fuel so that it can be used using LPG or biogas fuel and added additional components to the fuel inlet line such as a flow meter so that it can be used as fuel. varying the amount of fuel that enters the combustion chamber. In addition, this study also compares the effect of LPG fuel and a mixture of biogas with LPG on the performance of the resulting engine. The best overall test results were obtained using LPG fuel with an increase in Ne: 27.31%, Torque: 0.05%, SFC: 0.34%, and Thermal Efficiency: 4.09% compared to using a combination of Biogas and LPG fuel.
Analisis Kinerja Kincir Air Tipe Undershot Bahan Aluminium Dengan Jumlah 10 Sudu dan Sudut 20⁰ Muhammad Idris; Indra Hermawan; Bongot Halomoan Simamora
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 1 No 3 (2022): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v1i3.32

Abstract

To produce ideal electrical energy, a waterwheel with decent efficiency is needed. The appearance of a waterwheel can be affected by several limitations, including the size of the edges, the speed at which the water flows, and the number of edges entered. In addition, it is also essential to align the water wheel with the river frame so that the wheel is divided into three types, namely overshot, breastshot, and undershot. The undershot water wheel works on the flow of water, which causes movement around the bottom of the wheel. Although the design is essential and affordable, this type is suitable for use in shallow waters in flat areas and is not difficult to move. The procedure in this study was carried out by analyzing the performance of a micro-hydro power plant consisting of discharge, torque, and efficiency. The maximum electric power produced by the undershot type water wheel with 10 blades at a blade angle of 20⁰ with aluminum material is 5.7 Watt with a water discharge of 0.00546 m3/s, and the minor electric power is 4.2 Watt; this power is obtained at the discharge water of 0.00429 m3/s. This type of undershoot waterwheel can be implemented in areas that have flowing rivers or waterfalls so that it can become an alternative power plant. This study concludes that the maximum electric power produced by an undershot type water wheel with 10 blades at a blade angle of 20⁰ with aluminum material is 5.7 Watt with a water discharge of 0.00546 m3/s, and the smallest electric power is 4.2 Watt; this was obtained at a water debit of 0.00429 m3/s.
Analisis PLTS Sebagai Sumber Daya Sistem Pakan Ikan Otomatis Muhammad Idris; Indra Hermawan; Iswandi Iswandi; Felix Darwin Jaya Waruwu
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 1 No 3 (2022): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v1i3.35

Abstract

The purpose of this study was to determine the angle of inclination of the 10 WP solar panel so that the maximum amount of sunlight that falls on the surface area of the solar cell, analyze the performance of the solar cell, calculate the duration of charging the battery using a 10 WP solar panel. The method used is an experiment by recording every 10 minutes the output current and voltage of a 10 WP solar panel and battery, the current and voltage entering the battery and recording the intensity of sunlight using a solar meter. The overall results, based on theory and experiment, are that the angle of inclination of the solar panel is 10 WP so that the maximum amount of sunlight that falls on the surface area of the solar cell is at an angle of 9.3620 at 12.00 WIB facing south where the instantaneous intensity of sunlight hitting the solar panel at is 1049 W/m2, the performance of the solar cell is obtained by an average output current of solar panels 0.1295 A, the average output voltage of solar panels is 14.3162 V, the average output power of solar panels is 1.8798 W, the average the power that hits the solar panel is 59.3811 W, and the average panel efficiency is 3.1707%, the duration of charging the battery using a 10 WP solar panel is approximately 29 hours 8 minutes so that the battery is fully charged or approximately 2 days 5 hours 8 minutes.  
Co-Authors Achmad Jusuf Zulfikar Ade Wahyu Nugroho Akhiruddin Akhiruddin amirsyam nasution AMRU SIREGAR Andri Herlambang Anggih Prasetyo Wibisono Bobby Umroh Bongot Halomoan Simamora Burhanuddin Tarigan Chairul Fahmi, Muhamamad Darianto Darianto Darianto, Darianto Dedy Sofyanto Simanjuntak Denny Fachri Mariadi Derlini Din Aswan Amran Ritonga Eli Simanjuntak Erni Yusnita Etanto Heiliano Wijayanto Felix Darwin Jaya Waruwu Felix Sigalingging Fider Lumbanbatu Friska Heriyanti Hamdani Hamdani Haniza Harahap, Uun Novalia Hasibuan, Yetti Meuthia Hussein, Muhammad Ibrahim, Husin Imam Azhari Indra Hermawan INDRA HERMAWAN Indra Hermawan Iswandi Iswandi Iswandi Iswandi Joko Joko Jufrizal Jufrizal JUNAIDI M. Dalil M. Yusuf R Siahaan M.Y. Yuhazri Muhammad Abdul Rasyid Muhammad Irwanto Muhammad Yusuf Rahmansyah Siahaan Orlando, Corlenius Try Poppy Aprilya Sitorus Pratiwi Putri Lestari Putri Rizky Rahmatullah . Randa Pratama Rani Saragi Recsi Febian Adiansyah Rihat Sebayang Sandi Saputra Sembiring, Kiki Syahbana Siswo Pranoto Sitinjak, Sapriadi Sukmawati Supriadi Syafruddin Ritonga Syurkarni Ali Tino Hermanto Tony Siagian Uun Novalia Harahap Wan Rizca Amelia, Wan Rizca Weriono Yakob Iskandar Yopan Rahmad Aldori Zainal Arif Zakir Husin Zakir Husin zulfikar, Achmad Jusuf