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All Journal JURNAL TEKNIK JMES: The International Journal of Mechanical Engineering and Sciences Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
taufik kurniawan
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Comparative Study of Hydro-Magneto-Electric Regenerative Shock Absorber (HMERSA) with Two Outputs Hydraulic Generator Installed Series And Parallels Taufik Kurniawan; Harus Laksana Guntur
JMES The International Journal of Mechanical Engineering and Sciences Vol 5, No 2 (2021)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v5i2.8934

Abstract

Through the Regenerative Shock Absorber (RSA) mechanism, wasted energy will be utilized into electrical energy. Hydro-Magneto-Electric Regenerative Shock Absorber (HMERSA) was designed and analyzed with 2 generator outputs installed in series and parallel. The twin-tube shock absorber was modified, so that fluid flow in the chamber is only unidirectional flow. It is passed to four check valves that keep the fluid flow in one direction and towards the 2 hydro-generators installed on the system in series and parallel positions. The hydro-generator converts the linear fluid flow into a rotational motion which causes the generator to rotate and generate energy. HMERSA was tested on minibus with speed bumps types of roads. In the bump test, the harvested energy were 8.2 Volts and 5.97 Volts for HMERSA with 2 generator outputs installed in series, and 5.169 Volts and 4.33 Volts for HMERSA with 2 parallel output generators. From the result, we can conclude that HMERSA with 2 generator outputs installed in series is better than HMERSA with 2 parallel output generators.
Analisa Pengaruh Dimensi dan Gap Shear Pin pada Towbar terhadap Nose Landing Gear Pesawat dengan Metode FEA taufik kurniawan; Abubakar As’sidiq
Jurnal Teknik Vol. 15 No. 1 (2026): Januari - Juni 2026
Publisher : Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jt.v15i1.15456

Abstract

Pushback adalah salah satu aktifitas yang pasti dilakukan pesawat terbang saat akan menuju ke taxi way. Pesawat didorong oleh tug towing  yang dihubungkan oleh towbar. Towbar sebagai penghubung antara tug towing dan pesawat memiliki peran penting. Karena dalam beberapa kasus towbar yang bermasalah dapat membuat kerusakan pada landing gear bahkan hingga airframe pesawat. Permasalahan yang dihadapi terjadi karena shear pin yang patah pada towbar menyebabkan pesawat tidak dapat dikendalikan dan menabrak tug towing. Permasalahan ini terjadi pada 3 maret 2017 di stand 1, Manchester airport, shear pin yang patah tidak terdeteksi dan masih menempel pada towbar hingga saat mendorong pesawat towbar terlepas dan pesawat tidak terkendali. Shear pin juga tidak bisa dibuat lebih kuat dari gaya yang dibutuhkan untuk dapat mendorong pesawat hingga bergerak karena jika ada hambatan berlebih saat mendorong pesawat dapat menyebabkan kerusakan pada nose landing gear. Pada analisa ini akan dibahas pengaruh dimensi dan gap shear pin pada towbar dengan metode Finite Elemen Analysis (FEA).
Comparative CFD Analysis of Air–Fuel Ratio Effects on the Performance of a Non-Premixed Combustion Burner Taufik Kurniawan; Muhammad Ikhlas; Mohammad Zaini Ma'ruf
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 70 No 2 (2026): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v70i2.616

Abstract

Checker bricks in regenerative furnaces gradually accumulate deposits from glass raw materials during long-term operation, reducing heat transfer efficiency and obstructing combustion air and exhaust gas flow. These deposits increase furnace pressure, accelerate checker brick degradation, and shorten furnace service life. This study evaluates the performance of a non-premixed combustion burner for checker brick maintenance. Computational Fluid Dynamics (CFD) simulations were conducted using the non-premixed combustion model in ANSYS Fluent with different air-to-fuel ratios (AFR) and validated experimentally. The optimum performance was achieved at an AFR of 10.6:1, producing a maximum flame temperature of 944°C and a flame length of 1,683 mm, satisfying the required heating temperature and flame penetration for effective deposit removal. Experimental validation showed stable burner operation at air damper openings between 55% and 60%, successfully melting deposits on the checker brick surface. The proposed burner is suitable for regenerative furnace maintenance, while the validated CFD model provides a reliable approach for future burner optimization and heating coverage analysis of checker brick treatment.
Co-Authors Abubakar As’sidiq Harus Laksana Guntur Mohammad Zaini Ma'ruf Muhammad Ikhlas