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All Journal Majalah Ilmiah MOMENTUM International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Jurnal Polimesin
Fisal Yuliansyah
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Automotive Engineering Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PYROLYSIS OF CORN COB BIOMASS TOWARD GASEOUS PRODUCTS ON SMALL CAPACITY REACTOR Yuliansyah, Fisal; Hamidi, Nurkholis; Sasongko, Mega Nur
International Journal of Mechanical Engineering Technologies and Applications Vol. 5 No. 1 (2024)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2024.005.01.9

Abstract

Corn waste is the result of agricultural production that can be further utilized and get additional economic for the community. Waste Corn cab is one of Indonesia abundant biomass apart from. The utilization of biomass by implementing pyrolysis process can be viable solution. This study aims to observe the determination corn cab pyrolysis using HCL-bentonite activation and without bentonite towards syngas product (CH4-H2-CO-CO2). Updraft reactor was utilized for 30 minutes pyrolysis process. We used MQ4, MQ8, MQ7 coupled with Arduino UNO for measuring CH4, H2, CO2 and CO in ppm unit. Compared without bentonite, the result showed that methane (CH4) gas production increased. In addition, we found also that hydrogen (H2) gas increased respectively. Not mention, the content of CO increased.
PYROLYSIS OF CORN COB BIOMASS TOWARD GASEOUS PRODUCTS ON SMALL CAPACITY REACTOR Yuliansyah, Fisal; Hamidi, Nurkholis; Sasongko, Mega Nur
International Journal of Mechanical Engineering Technologies and Applications Vol. 5 No. 1 (2024)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2024.005.01.9

Abstract

Corn waste is the result of agricultural production that can be further utilized and get additional economic for the community. Waste Corn cab is one of Indonesia abundant biomass apart from. The utilization of biomass by implementing pyrolysis process can be viable solution. This study aims to observe the determination corn cab pyrolysis using HCL-bentonite activation and without bentonite towards syngas product (CH4-H2-CO-CO2). Updraft reactor was utilized for 30 minutes pyrolysis process. We used MQ4, MQ8, MQ7 coupled with Arduino UNO for measuring CH4, H2, CO2 and CO in ppm unit. Compared without bentonite, the result showed that methane (CH4) gas production increased. In addition, we found also that hydrogen (H2) gas increased respectively. Not mention, the content of CO increased.
The effect of the number of syn-gas purification nozzles of the water scrubber method on the characteristics of gasification combustion results Hanggara, Fuad Dwi; Yuliansyah, Fisal; Irawan, Dwi
Jurnal Polimesin Vol 22, No 5 (2024): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i5.5298

Abstract

The product of the gasification process contains several impurities, including tar, ash, CO2, and other contaminants. To achieve efficient syngas results, the syngas must undergo a filtration or purification process, which can increase its energy density. The purpose of this study was to determine the effect of the number of purification nozzles on the characteristics of the resulting flame, the duration of the flame produced during the gasification process, and the rate of heat absorption in the water generated from the syngas purification process. The water scrubber method employed in the syngas purification process utilizes an updraft gasification reactor. The biomass used in this study is rubber wood, with a venturi nozzle size of 0.15 mm and a pressure of 0.12 Pa. The tests varied the number of purification nozzles to 2, 3, and 4. The use of 4 nozzles had a significant effect on the combustion characteristics, resulting in a blue flame with a duration of 33 minutes. The configuration with 3 nozzles produced a flame that exhibited a mixture of blue and orange colors, with the blue flame being more dominant, lasting 38.2 minutes. In contrast, the configuration with 2 nozzles resulted in a bluish-red flame, predominantly red in color, with a duration of 45 minutes. The heat absorption rates in the water produced for the configurations with 2, 3, and 4 nozzles were measured at 539 J/s, 449.1 J/s, and 414.62 J/s, respectively.
ANALISIS PERFORMA SISTEM AIR CONDITIONING PADA KABIN EXCAVATOR PC 200-8M0 KOMATSU: Rekomendasi Perawatan Komponen AC Pada Unit Excavator tanaka, imam ridwan; Yuliansyah, Fisal; Wawan Mariki, I Wayan; Puspa Ningrum, Ainun Chandra; Nugroho, Agung
JURNAL ILMIAH MOMENTUM Vol 22 No 1 (2026): April
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v22i1.14847

Abstract

Sistem air conditioning (AC) pada kabin excavator berperan penting dalam menjaga kenyamanan dan fokus operator selama bekerja, terutama saat unit beroperasi pada suhu lingkungan yang tinggi. Penelitian ini bertujuan untuk menganalisis performa sistem AC pada kabin Excavator Komatsu PC 200-8M0 di PT Tata Buana Karya. Metode yang digunakan adalah deskriptif kuantitatif dengan mengamati pengaruh tiga variasi tekanan refrigeran, yaitu 20/150 psi, 25/175 psi, dan 30/200 psi terhadap suhu kabin dan efisiensi pendinginan. Data diambil selama 30 menit dengan pencatatan setiap 2 menit. Hasil penelitian menunjukkan bahwa tekanan refrigeran berpengaruh langsung terhadap performa pendinginan. Tekanan 30/200 psi menghasilkan penurunan suhu tertinggi hingga 18,4°C dengan efisiensi sebesar 62,8%, sementara tekanan 25/175 psi dan 20/150 psi masing-masing menghasilkan efisiensi sebesar 52,2% dan 45,2%. Namun, kenyamanan optimal justru diperoleh pada tekanan 20/150 psi karena mampu menjaga suhu kabin tetap stabil pada kisaran 16°C. Dengan demikian, dapat disimpulkan bahwa kondisi paling optimal secara teknis tidak selalu sama dengan kondisi paling sesuai untuk kenyamanan operator, sehingga pengaturan tekanan refrigeran perlu mempertimbangkan keseimbangan antara performa pendinginan maksimum dan kestabilan suhu kabin.
Co-Authors Dwi Irawan Fuad Dwi Hanggara Mega Nur Sasongko Nugroho, Agung Nurkholis Hamidi Puspa Ningrum, Ainun Chandra Tanaka, Imam Ridwan Wawan Mariki, I Wayan