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All Journal Jurnal Elemen AutoMech : Jurnal Teknik Mesin
Sulistyo, Raka Mahendra
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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DESAIN DAN ANALISIS THERMAL PADA ELECTRIC VEHICLE (EV) HOME CHARGER 7,4 KW MENGGUNAKAN PENDEKATAN COMPUTATIONAL FLUID DYNAMIC (CFD) Putra, Yoga Anggara; Hilmy, Fuad; Sulistyo, Raka Mahendra; Saleh, Arif Rahman
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.295

Abstract

This research aims to design the EV Home Charger design with a CFD approach to analyze the heat transfer in the EV Home Charger casing using CAE software. The EV Home Charger design made in this research uses polycarbonate as the main material and provides several variations such as without a cooling fan and with a cooling fan. The results of this study show that the temperature generated by the EV Home Charger design without a fan has a higher temperature of 42.94℃, the EV Home Charger with a fan speed of 8 m/s is 40.85℃ with a percentage decrease in temperature of 5%. While the electric power consumed by the EV Home Charger without a fan has a higher power consumption of 68.79 watts and the EV Home Charger with an 8 m/s fan requires 61.93 watts of electric power, so it has a percentage of power reduction of 10%.
PENGARUH VARIASI PENGELASAN SMAW TERHADAP KARAKTERISTIK MEKANIK PADA BAJA GALVANIS Samodro, Tegar; Salahudin, Xander; Sulistyo, Raka Mahendra
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.296

Abstract

Industrial growth, especially iron and steel, is growing rapidly today. In this industry, welding is an important aspect that needs to be considered to achieve results that meet standards. The SMAW welding process is often used to improve joint quality. This study aims to explore the effect of the combination of current strength and electrode diameter on the hardness and tensile strength of galvanized steel welded with an E6013 electrode. The results showed that the combination of current strength of 80 A and electrode diameter of 2.6 mm produced the highest hardness value of 221.5 VHN and the largest tensile strength of 358.16 MPa, with ferrite dominance in the microstructure.
DESAIN DAN ANALISIS THERMAL PADA ELECTRIC VEHICLE (EV) HOME CHARGER 7,4 KW MENGGUNAKAN PENDEKATAN COMPUTATIONAL FLUID DYNAMIC (CFD) Putra, Yoga Anggara; Hilmy, Fuad; Sulistyo, Raka Mahendra; Saleh, Arif Rahman
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.295

Abstract

This research aims to design the EV Home Charger design with a CFD approach to analyze the heat transfer in the EV Home Charger casing using CAE software. The EV Home Charger design made in this research uses polycarbonate as the main material and provides several variations such as without a cooling fan and with a cooling fan. The results of this study show that the temperature generated by the EV Home Charger design without a fan has a higher temperature of 42.94℃, the EV Home Charger with a fan speed of 8 m/s is 40.85℃ with a percentage decrease in temperature of 5%. While the electric power consumed by the EV Home Charger without a fan has a higher power consumption of 68.79 watts and the EV Home Charger with an 8 m/s fan requires 61.93 watts of electric power, so it has a percentage of power reduction of 10%.
PENGARUH VARIASI PENGELASAN SMAW TERHADAP KARAKTERISTIK MEKANIK PADA BAJA GALVANIS Samodro, Tegar; Salahudin, Xander; Sulistyo, Raka Mahendra
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.296

Abstract

Industrial growth, especially iron and steel, is growing rapidly today. In this industry, welding is an important aspect that needs to be considered to achieve results that meet standards. The SMAW welding process is often used to improve joint quality. This study aims to explore the effect of the combination of current strength and electrode diameter on the hardness and tensile strength of galvanized steel welded with an E6013 electrode. The results showed that the combination of current strength of 80 A and electrode diameter of 2.6 mm produced the highest hardness value of 221.5 VHN and the largest tensile strength of 358.16 MPa, with ferrite dominance in the microstructure.
Analisis Kinerja Turbin Savonius Dua Tahap dengan Variasi Phase-Shift Angle Berbasis Computational Fluid Dynamics Mubarok, Muhammad Khusni; Hilmy, Fuad; Sulistyo, Raka Mahendra; Saleh, Arif Rahman; Adipradana, Arrizka Yanuar
AutoMech : Jurnal Teknik Mesin Vol. 5 No. 02 (2025): Nopember
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/jtm.v5i02.11957

Abstract

Seiring dengan pertumbuhan jumlah penduduk dan kemajuan teknologi, kebutuhan energi terus mengalami peningkatan. Energi listrik menjadi salah satu bentuk energi yang paling banyak dikonsumsi masyarakat. Salah satu solusi untuk memenuhi kebutuhan ini adalah memanfaatkan sumber energi terbarukan, seperti Pembangkit Listrik Tenaga Mikrohidro (PLTMH) dengan menggunakan turbin hidrokinetik tipe Savonius. Penelitian ini bertujuan untuk menganalisis pengaruh desain variasi Phase-Shaft Angle (PSA) terhadap kinerja turbin Savonius 2-stage pada aliran Sungai Gending. Penelitian dilakukan menggunakan metode Computational Fluid Dynamics (CFD) dengan variasi PSA sebesar 15°, 30°, dan 45°, serta Tip Speed Ratio (TSR) sebesar 0,8 dan kecepatan aliran sungai sebesar 0,7874 m/s. Model turbulensi yang digunakan adalah k-ω SST dalam kondisi steady-state. Hasil simulasi menunjukkan bahwa performa terbaik dicapai pada turbin Savonius 2-stage dengan variasi PSA 45°, menghasilkan torsi sebesar 1,85012 Nm, koefisien torsi (CT) sebesar 0,233, dan koefisien daya (CP) sebesar 0,186. Sedangkan, performa terendah turbin Savonius 2-stage dengan variasi PSA 15°, menghasilkan torsi sebesar 1,5529 Nm, CT sebesar 0,195, dan CP sebesar 0,156.
Co-Authors Adipradana, Arrizka Yanuar Arif Rahman Saleh Fuad Hilmy Mubarok, Muhammad Khusni Putra, Yoga Anggara Samodro, Tegar Xander Salahudin