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All Journal ROTOR: JURNAL ILMIAH TEKNIK MESIN Journal of Mechanical Engineering Science and Technology STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Elemen Agroteknika Mechanical Engineering for Society and Industry Automotive Experiences Journal of Fibers and Polymer Composites Medani : Jurnal Pengabdian Masyarakat Jurnal Polimesin
Salahuddin Junus
Teknik Mesin Fakultas Teknik Universitas Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Jurnal Polimesin

 1 
A study on Flame Characteristics Premixed Burning by Giving Magnetic Field Induction Deny tomy andrianto; Muh. Nurkoyim Kustanto; Yuni Hermawan; Nasrul Ilminnafik; Salahuddin Junus
Jurnal POLIMESIN Vol 21, No 2 (2023): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i2.3497

Abstract

This study aims to compare the effect of magnetic field induction on the characteristics of the fire resulting from the combustion of premixed biodiesel calophyllum inophyllum . Further research on premixed combustion flames due to magnetic field induction. As time goes by, petroleum is currently running low, therefore alternative biofuels are needed. One type of non-food vegetable oil is Jatropha and calophyllum inophyllum  oil, besides not being consumed, it can be processed into biodiesel as fuel. To get a more effective and efficient flame, you can apply a magnetic field effect to the fire, especially in terms of the burning rate of the fire. The experimental research method is to heat calophyllum inophyllum biodiesel until it is in the form of steam, then flow it to the burner which will then be given air which is controlled by the flow mass. Then the fire is ignited and the mass of the air flow is increased until the fire is lifted until it is extinguished. Two magnets are placed between the burners by varying the direction of the magnetic field N-S, N-N and the results of this study are the shape of the flame. The resulting fire is more transparent, clearer and more visible. The direction of the N-S magnetic field causes the temperature to be higher than the direction of the N-N magnetic field. The high and low of the flame is affected by the direction of the magnetic field, the stronger the N-S magnetic field. The magnetic field can affect the burning speed of the biodiesel flame. In a poor mixture (ϕ 1) in the presence of magnetic influence, the rate of fire is lower without the influence of a magnetic field, but in a rich mixture (ϕ 1) in the presence of a magnetic influence, the rate of fire is higher than without the influence of a magnetic field. This is due to the magnetic influence that induces oxygen. Oxygen is paramagnetic, so it can be attracted by magnetic fields.
Effect of nano SiC addition on mechanical properties of Al-Nano SiC composite materials SS304 woven wire using stir casting method Alfi Hasan; Pieter Muhammad Iko Marrendra; Salahuddin Junus; Mahros Darsin
Jurnal POLIMESIN Vol 21, No 4 (2023): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i4.3494

Abstract

The wide variety of applications in various industries, such as automotive, aerospace, construction, and electronics, aluminum is one of the metals that needs to improve its mechanical properties. This study aims to determine the effect of adding reinforcing powder using the stir casting method on the mechanical properties of the Al-nano SiC/SS304 Wire Woven Composite material. The method used in this study is an experiment with the addition of a matrix to the composite material. The addition of nano metal was carried out to modify the mechanical properties of the aluminum material. Variation of the composition of each specimen using the volume fraction of nano-SiC (1%, 3%, 5%) and 4% Mg and the addition of woven SS304 wire on the tensile strength and hardness tests. The highest tensile test results for the 5% volume fraction variation were 149 MPa and the hardness test was obtained at 69 HRB for the 5% volume fraction variation
Tensile and morphological properties of carbon-coir fiber reinforced epoxy hybrid composites Salahuddin Junus; Yayang Saif Izzudin; Aris Zainul Muttaqin; Danang Yudistiro; Mochamad Asrofi; Sumardi Sumardi; Puranggo Ganjar Widityo; Revvan Rifada Pradiza
Jurnal Polimesin Vol 23, No 1 (2025): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i1.5523

Abstract

This study reports the tensile and morphological properties of carbon fiber-reinforced epoxy composites  with the addition of coconut coir fiber. The composites were fabricated using the vacuum infusion method with coconut fiber weight fractions of 5%, 15%, and 25%. Tensile testing revealed that the highest tensile strength (70.92 MPa) was achieved at 15% fiber content, while 5% fiber content resulted in the lowest tensile strength (32.48 MPa). Scanning Electron Microscopy (SEM) and metallographic analyses showed variations in fiber-matrix bonding, with debonding and fiber pull-out observed at lower fiber content. The results suggest that optimal fiber-matrix bonding and fiber dispersion contribute to tensile strength enhancement, confirming the potential of coconut fiber-reinforced hybrid composites for structural applications
Integration of taguchi method and digital metrology for precision fused deposition modelling of PLA-based vibration-damping components Yudistiro, Danang; Junus, Salahuddin; Prasetiyo, Dani Hari Tunggal; Rahmawati, Istiqomah; Amini, Helda Wika; Rizkiana, Meta Fitri
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.8352

Abstract

This study integrates the Taguchi method and 3D digital metrology to improve dimensional accuracy in the Polylactic Acid (PLA)-based Fused Deposition Modelling (FDM) process. The research focuses on the fabrication of vibration-damping roller components in a Continuously Variable Transmission (CVT) system that demands high geometric precision. A Taguchi L9 experimental design was used to analyze the effects of layer height, extrusion temperature, and filling density on the volume deviation of the printed product. The evaluation was conducted using 3D scanning and analyzed using the Signal-to-Noise (S/N) ratio and Analysis of Variance (ANOVA). The optimal parameter combination was obtained at a layer height of 0.25 mm and an extrusion temperature of 220 °C, resulting in the minimum volume deviation and the highest process stability. The ANOVA results identified layer height as the most dominant factor, followed by extrusion temperature, while filling density had a relatively small effect. Validation tests showed good agreement between the predictions and the experimental results. These findings confirm the effectiveness of integrating the Taguchi method with digital metrology in supporting the development of PLA-based precision additive manufacturing for sustainable automotive component applications.This study integrates the Taguchi method and 3D digital metrology to improve dimensional accuracy in the Polylactic Acid (PLA)-based Fused Deposition Modelling (FDM) process. The research focuses on the fabrication of vibration-damping roller components in a Continuously Variable Transmission (CVT) system that demands high geometric precision. A Taguchi L9 experimental design was used to analyze the effects of layer height, extrusion temperature, and filling density on the volume deviation of the printed product. The evaluation was conducted using 3D scanning and analyzed using the Signal-to-Noise (S/N) ratio and Analysis of Variance (ANOVA). The optimal parameter combination was obtained at a layer height of 0.25 mm and an extrusion temperature of 220 °C, resulting in the minimum volume deviation and the highest process stability. The ANOVA results identified layer height as the most dominant factor, followed by extrusion temperature, while filling density had a relatively small effect. Validation tests showed good agreement between the predictions and the experimental results. These findings confirm the effectiveness of integrating the Taguchi method with digital metrology in supporting the development of PLA-based precision additive manufacturing for sustainable automotive component applications.
Co-Authors Achmad Murdiono Afril Priyanto Agung Budi C Agung Budi Cahyono Agus Pramono Agus Triono Ahmad Adib Rosyadi Ahmad Al Kautsar Ahmad Al Kautsar Ahmad Wafi Alahmadi, Mohammed Alfi Hasan Andi Sanata Andi Sanata Anne Zulfia Anuary Dwi Rosyid, Wafa Prasetia Aris Zainul Muttaqin Aris Zainul Muttaqin Bambang Sugiharto Danang Yudistiro Danang Yudistiro Dani Hari Tunggal Prasetiyo Dedi Dwi Laksana Dedi Dwilaksana Deny tomy andrianto Devita Amelia Digdo Listyadi, Digdo Dwi Djumhariyanto Gaguk Jatisukamto Gindeka Bimara Aryantaka Haidzar Nurdiansyah Hary Sutjahjono Helda Wika Amini Ilminafik, Nasrul Ilyas, Rushdan Ahmad Imam Rudi Sugara Imam Sholahuddin Imam Sholahudin Intan Hardiatama Istiqomah Rahmawati Jannah, Betriqil Koekoeh KW, Robertoes L Rajeshkumar Lilis Mariani Lilis Mariani, Lilis M Edoward Ramadhan M Trifiananto M. Fahrur Rozy M. Fahrur Rozy Hentihu m. Fahrur Rozy R M. R. M. Asyraf M.Ginanjar Widodo Mukti Mahros Darsin Masfeya Eka Hermiansyah Melbi Mahardika Melisa Melisa Meta Fitri Rizkiana Mochamad Asrofi Mochammad Edoward R Mohammad Alfian Ilmy Muh Nurkoyim Kustanto Muh Nurkoyim Kustanto Muhammad Abduh Muhammad Kurniawan Nashrullah, M Dimyati Nasrul Ilminnafik Nasution, Annio Indah Lestari Novi Nur H Novi Nur Hamimah Pieter Muhammad Iko Marrendra Pradiza, Revvan Rifada Puranggo Ganjar Widityo Puranggo Ganjar Widityo R. A. Ilyas Rahma Rei Sakura Rahman, Purnama Auliya Rahmatullah Tites Wicaksono Ramadhan, M Edoward Reza Marinanda Fajar Rika Dwiqoryah Riko Septian Riko Septian Rizky Akhmad Prayogi Robertoes Koekoeh KW Robertus Sidartawan Robertus Sidhartawan Santoso Mulyadi Setyo Pambudi Setyo Pambudi Sujito Sujito Sumardi Sumardi Sumarji Syuhri, Skriptyan Noor Hidayatullah Taufik Taufik Wiradika, Yudha Wisnu Kuncoro Yanuar Alditya Nugraha Yayang Saif Izzudin Yudhistiro, Danang Yuni Hermawan