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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN MIX : Jurnal Ilmiah Manajemen METAL : Jurnal Sistem Mekanik dan Termal Jurnal Teknik Terapan (J-TETA) International Journal of Technology, Food and Agriculture
Aditya Wahyu Pratama
Jurusan Teknik Mesin Fakultas Teknik Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Analyzing The Effect of Cylinder Liner Bronze Alloys on Hardness Hasbullah, Ichsan; Pratama, Aditya Wahyu
METAL: Jurnal Sistem Mekanik dan Termal Vol. 8 No. 2 (2024): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.8.2.%p.2024

Abstract

The quality of a component material is a significant issue in today's society, where the concept of "quality for a price" is a prevalent one. This phenomenon is observed across various sectors, including official manufacturers, local factories, and even students. The objective is to consider and implement measures to enhance the quality of components, aiming for a satisfactory value. The influence of the hardness value on the ductile iron alloy with AB2 is a key factor in this study. The aim is to identify the ideal mass percentage quantity to obtain a satisfactory hardness value. This is based on the understanding that the limited quantity of gray cast iron in cast furnaces affects the value of its mixture with AB2. The process from start to finish encompasses a number of stages, during which the incorporation of AB2 into ductile iron results in a change in the quality of the molten metal, which becomes visibly more liquid. In contrast, the impact of the aluminum element is relatively modest, although the final value of the alloy, which is 37% nickel, significantly increases the hardness value. This type of iron is widely used in automotive products. It is recommended that production parties, especially those involved in the manufacture of automotive components, consider the indications that occur in the values of this test. This is because the development of material improvements has been very rapid in recent times. The hardness value achieved by the non-alloy was recorded at 372.92 HVN, the 14% AB2 alloy was 509.94 HVN, the 25% AB2 alloy had a value of 408.79, and the 37% AB2 alloy exhibited a twofold increase from the value without the alloy, namely 679.96 HVN.
Pengaruh Modifikasi Burner dan Variasi Campuran Bahan Bakar Pirolisis Limbah Polipropilena terhadap Efisiensi Termal dan Karakteristik Pembakaran Pratama, Aditya Wahyu; Mulyono, Novangga Adi; Aulina, Audha Fitrah; Ali, Reynaldi Akbar; Azhar, Faruq Avero; Irawan, Andik
Jurnal Teknik Terapan Vol. 5 No. 1 (2026): April
Publisher : P3M Politeknik Negeri Jember

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Abstract

This study presents the optimization of burner design and experimental evaluation using liquid fuel derived from polypropylene (PP) waste pyrolysis to achieve high thermal efficiency. The increasing accumulation of plastic waste and rising energy demand have driven the development of alternative fuels and more efficient combustion systems. In this work, polypropylene waste was converted into liquid fuel through a pyrolysis process and subsequently utilized as the primary fuel in a modified burner system. The optimization focused on key design parameters, including nozzle diameter, air–fuel mixing configuration, and combustion chamber geometry to enhance atomization quality, flame stability, and heat transfer performance.Experimental tests were conducted under various operating conditions to evaluate combustion characteristics, fuel consumption rate, flame temperature, and thermal efficiency. The results show that the optimized burner configuration produced a stable blue–orange flame with improved atomization and more complete combustion compared to the initial design. The maximum thermal efficiency achieved was 105.54%, indicating a significant improvement due to better air–fuel mixing and reduced heat losses during the combustion process. Furthermore, the pyrolysis oil demonstrated strong potential as an alternative liquid fuel for small-scale thermal applications.This study provides a practical contribution to waste-to-energy technology by integrating burner design optimization with plastic waste-derived fuel utilization, offering an effective approach to enhance thermal system performance while supporting sustainable and scalable small-scale energy solutions.
Co-Authors Adityo Adityo, Adityo Afianah, Nuzula Afriansyah, Faisal Lutfi Alex Taufiqurrohman Zain Ali, Reynaldi Akbar Andi Yulianto Arif Wahyudiono Aulina, Audha Fitrah Azamataufiq Budiprasojo Cahyaning Nur Karimah, Cahyaning Nur Dedy Eko Rahmanto, Dedy Eko Dety Oktavia Sulistiono Dicky Adi Tyagita Fahriannur, Ahmad Faruq Avero Azhar Hasbullah, Ichsan Imam, Ahmad Fikrih Saiful Irawan, Andik Kautsar, Syamsiar Kholil, Moh. Mulyono, Novangga Adi Nari, Mochammad Irwan Nugroho, Wendy Triadji nuruddin, mochammad Purnomo Budi Santoso Purnomo, Fendik Eko Putri, Salsabila Liandra Rifqi Syarif Nasrulloh Rofi'i, Ahmad Sabil, Loisa Gelaro Slamet Wahyudi Suranto, Dwi Djoko Winadi, Aditya Wahyu Zain, Muhammad Riefdhany Fiqri