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All Journal JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Jurnal Pendidikan Teknik Mesin Sainteknol : Jurnal Sains dan Teknologi SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Dinamika Journal : Pengabdian Masyarakat J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Jurnal Puruhita QISTINA: Jurnal Multidisiplin Indonesia Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Jurnal Abdimas Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Jurnal Inovasi Mesin Journal of Mechanical Engineering Learning Jurnal Pendidikan Teknik Mesin
Sonika Maulana
Department Of Mechanical Engineering, Semarang State University, Semarang, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Analisis Pengujian Kebisingan dan Emisi Gas Buang pada Sepeda Motor Honda 110 cc Menggunakan Knalpot AHLM (Adaptive High-Performance, Low-Pollution Muffler) Putra, Ni’mal Maula; Roziqin, Ahmad; Naryanto, Rizqi Fitri; Septiyanto, Angga; Maulana, Sonika; Rohman, Shohihatur
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.708

Abstract

The high levels of air pollution and noise from motor vehicles cause negative impacts on the environment and health. Innovation in exhaust systems is needed to address this issue. This study aims to analyze the effect of different exhaust types on noise levels and exhaust gas emissions in a Honda 110 cc motorcycle. The independent variable in this study is the type of exhaust (standard, free flow, and AHLM), while the dependent variables include noise level (dB) and emissions of carbon monoxide (CO) and hydrocarbons (HC). The control variables include measurement distance, engine operating temperature (80°C to 90°C), and fuel type (RON 90). The research method uses a quantitative experimental approach with a sound level meter to measure noise and a gas analyzer for exhaust emissions. Data analysis was performed using the Kruskal-Wallis test to determine differences among exhaust variations. The statistical test results showed no significant difference (p > 0.05) in noise levels and exhaust emissions among the three types of exhaust. However, descriptively, the AHLM muffler performed best, reducing noise by up to 5.88% compared to free flow, and decreasing CO emissions by 17% and HC by 1%. This study is limited to testing one type of motorcycle and laboratory conditions, so the results do not yet represent actual traffic conditions. Thus, the AHLM muffler has the potential to be an adaptive exhaust system innovation that is more environmentally friendly and effective in reducing noise and motor vehicle emissions.
Analisis Pengujian Konsumsi Bahan Bakar dan Performa pada Sepeda Motor Honda 110 cc Menggunakan Knalpot AHLM (Adaptive High-Performance, Low-Pollution Muffler) Fayisa, Fadhil; Roziqin, Ahmad; Naryanto, Rizqi Fitri; Septiyanto, Angga; Maulana, Sonika; Rohman, Shohihatur
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.709

Abstract

Motor vehicle emissions and energy efficiency are key concerns in developing environmentally friendly automotive technologies, particularly for small-capacity motorcycles, which remain the dominant mode of transportation in Indonesia. This study aims to analyze the effect of using the AHLM (Adaptive High-Performance, Low-Pollution Muffler) on fuel consumption and engine performance in a Honda 110 cc motorcycle. The research employed a comparative experimental method using three types of exhaust systems: standard, free flow, and AHLM. Tests were conducted using an engine dynamometer to measure torque and power, and a fuel consumption tester to record the time required to consume 10 ml (0.0074 kg) of fuel, calculated using the conversion formula m = (V_ml / 1000) × ρ, at three engine speeds: 1500 rpm, 2500 rpm, and 3500 rpm. The results show that the free flow exhaust produced the highest torque and power, at 10.9 Nm and 11.7 HP at 9000 rpm, respectively, but with higher fuel consumption. Conversely, the AHLM exhaust demonstrated better fuel efficiency, with consumption rates of 0.083 kg/h at 1500 rpm, 0.317 kg/h at 2500 rpm, and 0.416 kg/h at 3500 rpm, closely matching the efficiency of the standard exhaust. Although its peak power was slightly lower, the AHLM maintained stable torque and efficient combustion across all engine speeds. In conclusion, the AHLM exhaust system provides an optimal balance between performance and energy efficiency, offering potential as an adaptive exhaust technology that is both effective and environmentally friendly for small-capacity motorcycles.
Performance Testing of a Multicylinder Diesel Engine Using Antioxidant Bio-Oil Additives from Moringa Oleifera Leaf Pyrolysis Juliyono, Jeri; Maulana, Sonika; Naryanto, Rizqi Fitri; Septiyanto, Angga
JMEL : Journal of Mechanical Engineering Learning Vol. 14 No. 2 (2025): December (In Progress)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jmel.v14.i2.32271

Abstract

Crude oil reserves are steadily depleting. One viable alternative is the use of biodiesel fuel in diesel engines. However, a major drawback of biodiesel is its susceptibility to degradation due to low oxidative stability. Antioxidants are compounds that inhibit or slow down the oxidation process by preventing the formation of oxidants or reducing the propagation of free radicals. This study aims to investigate the effect of adding antioxidant additives derived from Moringa oleifera bio-oil, produced through pyrolysis, to B30 biodiesel fuel at concentrations of 0, 500, 1000, and 1500 ppm on the performance of a multicylinder diesel engine. A quantitative approach was employed using an experimental method, and data analysis was conducted using descriptive analysis. The results showed that fuel consumption decreased with the addition of Moringa oleifera antioxidants, with reductions of 5.31%, 6.66%, and 7.08% at 500 ppm, 1000 ppm, and 1500 ppm, respectively, at an engine speed of 2500 rpm. The highest torque was achieved with 1000 ppm of Moringa oleifera antioxidant at 2728 rpm, reaching 111.9 Nm (an increase of 4.48%), while the highest power output was also obtained at 1000 ppm, reaching 70.9 HP at 5100 rpm (an increase of 3.2%).
Co-Authors - Wahyudi  A., Ayub Budhi Adhi Kusumastuti Agus Nugroho, Agus Ahmad Roziqin, Ahmad Aldias Bahatmaka Amelia, Dhea Aprilia Findayani Ari Dwi Nur Indriawan Musyono Atunnisa, Rifa' B., Febrian Arif Buana, Lanang Puspa Budiman, Febrian Arif Deky Aji Suseno, Deky Aji Dony Hidayat Al-Janan Dwi Widjanarko Emyu, Dalnius Fahmi, Fiqri Fadillah Fahrur Rozi Faisal Abdul Aziz Fayisa, Fadhil Fitriyana, Deni Fajar Ghyferi, Andi Abdullah Heri Yudiono Hidayat, Hanif Hidayat, Indra Nurul Huda, Alfin Miftakhul Irsandi, Ridho Fajar Juhadi Juhadi Juliyono, Jeri Kamis, Arasinah Karnowo - Karsan Karsan M. Burhan Rubai Wijaya M. Khumaedi Marlangen, Retno Murdani Niken Subekti Nina Oktarina Novian Arjin Adinugroho Nugroho, Agus Pramono ., Pramono Putra, Ni’mal Maula Rahmat Aprianto Rifa'atunnisa, Rifa'atunnisa Rizqi Fitri Naryanto Rohman, Shohihatur Rozikin, Ahmad Samsudi Samsudin Anis Saniaturrohmah Saniaturrohmah Septiyanto, Angga Septiyanto, Angga Setiadi, Rizki Setyanto, Heru Shinta Hedy Cahyaningrum Shinta Hedy Cahyanningrum Sudiyono Sudiyono Sudiyono Sudiyono, Sudiyono Suwandi Marwoto Syafei, M. Hilman Gumelar Wahyudi Wahyudi , - Zaenal Abidin