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All Journal Jurnal Energi Dan Manufaktur ROTOR: JURNAL ILMIAH TEKNIK MESIN Proceeding SENDI_U Journal of Mechanical Engineering Science and Technology STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Elemen Agroteknika J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Jurnal Abdi Insani Mechanical Engineering for Society and Industry Automotive Experiences Jurnal Locus Penelitian dan Pengabdian Jurnal Polimesin
Yuni Hermawan
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Transportation

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Journal : journal of mechanical engineering science and technology

 1 
The Combustion Characteristics of Calophyllum inophyllum Fuel in the Presence of Magnetic Field Sugara, Imam Rudi; Ilminnafik, Nasrul; Junus, Salahuddin; Kustanto, Muh Nurkoyim; Hermawan, Yuni
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 7, No 1 (2023)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v7i12023p028

Abstract

The study objective is to investigate the combustion characteristics of Callophyllum inophyllum fuel in presence of a magnetic fields. To conduct the experiment, a bunsen burner was utilized, with fuel and air being dispensed via a syringe pump and compressor, both regulated by a flowmeter. The fuel and air pipes were heated to 532.15 (K) to facilitate fuel evaporation. The equivalent ratio of 0.5, 1, and 1.5 was adjusted to control air discharge and fuel. An 11,000 gausses artificial magnet was used, with N-S, N-S, N-N, and S-S being the various magnetic pole configurations. The study found that the magnetic field can enhance combustion quality by affecting the molecules involved in the combustion process. The magnetic field's force also intensifies the movement of O2, making it more energetic. As O2 travels from the North Pole to the South Pole through the combustion reaction zone, it quickens the oxidation-reduction process and curtails diffusion combustion. The red color's intensity diminishes with the magnetic field's effect, indicating this phenomenon. When a magnetic field is applied, the polarity of C.inophyllum biodiesel fuel becomes highly favorable. The triglyceride carbon chain bonds become unstable, and the van der Walls dispersion forces are weakened, which facilitates easier O2 binding to the fuel, resulting in more efficient combustion. An increase in the laminar burning velocity value can be noticed when exposed to a magnetic field.
Analysis of Biomass Briquette Mixed Bagasse and Sugarcane Peel on the Performance of Forced Top-Lit Updraft Gasifier Stove Hardiatama, Intan; Enruico, Aron; Hermawan, Yuni; Trifiananto, Muhammad; Syuhri, Skriptyan N. H.
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 8, No 2 (2024)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v8i22024p322

Abstract

The population growth in Indonesia from 270 million in 2020 to 279 million in 2024 has increased LPG consumption, potentially leading to future fuel shortages. The top-lit updraft (TLUD) gasifier stove using renewable biomass materials, offers a sustainable alternative. Biomass such as bagasse and sugarcane peel can be optimized into charcoal briquettes with high calorific value and low emissions. The calorific value of briquettes can be further enhanced by blending other high–calorific biomass materials. This experimental research focuses on testing the calorific value of raw bagasse and sugarcane peel before carbonization, as well as briquette mixtures (70:30, 50:50, 30:70) using a bomb calorimeter. The fuel briquettes are tested by operating the TLUD gasifier stove, measuring performance in terms of water boiling time (WBT) and flame characteristics. Results show that the 30:70 bagasse-to-sugarcane peel composition has the highest calorific value (6,242.292 cal/gram), followed by the 70:30 composition (6,094.753 cal/gram) and the 50:50 composition (5,657.935 cal/gram). The 30:70 ratio also achieved the longest flame duration (119 minutes 32 seconds), the highest combustion chamber temperature (570.2°C), and the greatest flame height (11.468 cm). The TLUD stove demonstrated an efficiency of 56.41%, with a char weight of 61 grams and a water temperature increase from 28.4°C to 90.4°C in 10 minutes 45 seconds. These briquettes met the SNI 01-6235-2000 standard, which requires a minimum calorific value of 5000 cal/g.
Co-Authors ,, Sumarji Achmad Murdiono Adha Mahendra, Erlian Afril Priyanto Agus Triono Ahmad Adib Rosyadi Ahmad Syuhri Alfredo Bayu Satriya Andana, Himawan D Andi Sanata Anisya Delima Arif Setia Budi, Sofyan Cahya Alief Prasetyo Cahya Alief Prasetyo Cahyadi, Tedi Setiawan Dedi Dwilaksana Deny tomy andrianto Devita Amelia Digdo Listyadi, Digdo Dwi Djumhariyanto Enruico, Aron Faris Ahmad Junaedi Firman Gustiawan Gaguk Jatisukamto Hari Arbiantara Basuki Hary Sutjahjono Hendry Y. Nanlohy I Gusti Ketut Puja Imam Rudi Sugara Intan Hardiatama Kristianta, FX M Arief Hidayat M Dimyati Nashrullah M Edoward Ramadhan M Sakharuddin M Sakharuddin, M M. Fahrur Rozy Hentihu M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Mahros Darsin Melbi Mahardika Mochamad Asrofi Mochamad Trifiananto Muh Nurkoyim Kustanto Muh Nurkoyim Kustanto Muhammad Dimyati Nashrullah Muhammad Mukti Ali Muhammad Trifiananto Muhammad Wildan Nasrul Ilminnafik Nurdin Akbar A Nurdin Akbar A, Nurdin Akbar Prasetio, Dwi Angga Tary R. Koekoeh Koenjtoro Wibowo Rahma Rei Sakura Raihaan . Rika Dwi Hidayatul Qoryah Rika Dwiqoryah Ririn Endah Badriani, Ririn Endah Robertoes Koekoeh KW Robertus Sidartawan Rozy Hentihu, M. Fahrur Rudy Soenoko Salahuddin Junus Santoso Mulyadi Sembada, Iqbal Varian Sholahudin, Imam Sujito Sujito Surya Irawan, Yudy Syuhri, Skriptyan N. H. Trifiananto, Muhammad