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All Journal Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin
Radyantho, K.D.
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Aerospace Engineering Automotive Engineering Mechanical Engineering Physics

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Efek Penambahan Etanol Pada Bahan Bakar Pertamax Terhadap Performa Motor Satria F 150 Suanggana, D.; Radyantho, K.D.; Puspitasari, D.A.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 13, No 2 (2023): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v13i2.702

Abstract

A type of renewable energy is ethanol. One of ethanol’s advantages is its very high octane value so that the combustion process in the combustion chamber can burn perfectly and reduce knocking. This study aims to analyze the effect of adding ethanol to Pertamax fuel on the performance of the satria F 150 motorcycle. The research method used is the experimental method, where the fuel tested is EX0 (Ethanol 0%: Pertamax 100%), EX5 (Ethanol 5%: Pertamax 95%), EX10 (Ethanol 10%: Pertamax 90%), EX15 (Ethanol 15%: Pertamax 85%) and EX20 (Ethanol 20%: Pertamax 80%). Based on the research results, the torque and power produced by EX0 fuel are 13.78 Nm and 10.73 kW, EX5 fuel is 13.63 Nm and 11.45 kW, EX10 is 15.18 Nm and 11.79 kW, EX15 is 15.45 Nm and 12.01 kW, and the EX20 is 15.20 Nm and 11.94 kW. The results for EX0, EX5, EX10, EX15, and E20 with the lowest specific fuel consumption were 0.110 kg/kWh for EX0, 0.104 kg/kWh for EX5, 0.081 kg/kWh for EX10, 0.073 kg/kWh for EX15, 0.099 kg/kWh for EX20. For the best performance, EX15 fuel is the best combination.
Drying time and mixture composition effect on biomass of pine cone and palm shell Radyantho, K.D.; Rusdan, A.; Suanggana, D.; Haryono, H.D.; Kan, E.F.
Dinamika Teknik Mesin Vol 15, No 1 (2025): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v15i1.1043

Abstract

According to the International Energy Agency (IEA), global energy demand is expected to rise by 45% by 2030, with around 80% still met by fossil fuels. This necessitates urgent development of alternative energy sources, such as biomass, which is renewable and can help reduce organic waste. This study examines the impact of varying drying times and mixture compositions of palm shells and pine fruits on the characteristics of briquettes. These materials were chosen due to their availability and potential to mitigate environmental impacts.The research investigates the moisture content, calorific value, and ash content of the briquettes. Results show all briquette compositions meet the Indonesian National Standard (SNI) No. 1683:2021 for moisture content, though only WP3 fails to meet standards. Ash content for all variations exceeded the SNI threshold (≥ 10%). However, all met the calorific value standard, with WP3 achieving the highest value (6643.18 cal/g). ANOVA analysis indicates both mixture composition and drying time significantly affect moisture and ash content, but only drying time significantly impacts calorific value
Drying time and mixture composition effect on biomass of pine cone and palm shell Radyantho, K.D.; Rusdan, A.; Suanggana, D.; Haryono, H.D.; Kan, E.F.
Dinamika Teknik Mesin Vol 15, No 1 (2025): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v15i1.1043

Abstract

According to the International Energy Agency (IEA), global energy demand is expected to rise by 45% by 2030, with around 80% still met by fossil fuels. This necessitates urgent development of alternative energy sources, such as biomass, which is renewable and can help reduce organic waste. This study examines the impact of varying drying times and mixture compositions of palm shells and pine fruits on the characteristics of briquettes. These materials were chosen due to their availability and potential to mitigate environmental impacts.The research investigates the moisture content, calorific value, and ash content of the briquettes. Results show all briquette compositions meet the Indonesian National Standard (SNI) No. 1683:2021 for moisture content, though only WP3 fails to meet standards. Ash content for all variations exceeded the SNI threshold (≥ 10%). However, all met the calorific value standard, with WP3 achieving the highest value (6643.18 cal/g). ANOVA analysis indicates both mixture composition and drying time significantly affect moisture and ash content, but only drying time significantly impacts calorific value
Co-Authors Haryono, H.D. Kan, E.F. Puspitasari, D.A. Rusdan, A. Suanggana, Doddy