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Pribadi Mumpuni Adhi
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Jurnal Mekanik Terapan
Published by Politeknik Negeri Jakarta
ISSN : -     EISSN : 27471381     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Mekanik Terapan (JMT) adalah jurnal ilmiah yang terbit secara berkala dua kali setahun pada bulan Mei dan Oktober. Jurnal ini dapat digunakan sebagai sumber informasi ilmiah untuk peneliti, akademisi atau lembaga penelitian, insinyur industri, dan lembaga pemerintah. JMT memuat informasi bidang riset Mekanik Terapan berupa hasil riset dan Ulasan Ilmiah pada bidang: -Teknik Mesin dan Manufaktur -Energi (Konversi Energi, Renewable Energy, Applied Chemistry in Energy) -Mekatronika dan Robotika -Otomotif (Alat Berat dan Kendaraan Ringan) -Material dan Metalurgi -Teknik Pembangkit Tenaga Listrik
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 123 Documents
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Simulation and Evaluation Hydrogen-rich Syngas Production from Palm Kernell Shell Through Gasification Kasmiarno, Laksmi Dewi; Nurufazzah, Arifatin
Jurnal Mekanik Terapan Vol 6 No 2 (2025): Agustus 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v6i2.7676

Abstract

The increasing global demand for energy, coupled with the depletion of fossil fuel reserves, has prompted the urgent need for alternative and sustainable energy sources. Biomass, particularly palm oil waste such as palm kernel shell (PKS) presents as an alternative solution due to its abundance, high calorific value, and low moisture content. This study investigates the production of syngas from PKS through gasification using Aspen PlusTM process simulation software. The simulation is divided into pre-treatment, gasification, and separation stages, employing R-Stoic, R-Yield, and R-Gibbs reactor blocks to model drying, decomposition, and thermodynamic equilibrium, respectively. Two gasifying agents, steam and air, were evaluated under varying temperature conditions and equivalence ratio (ER) ranging from 0.19 to 0.27. The results indicate that both temperature and ER significantly influence syngas composition, particularly the production of H2 and CO, while higher ER values tend to reduce carbon efficiency. Steam gasification produced higher hydrogen yields compared to air. Simulation outputs showed strong agreement with experimental data, validating the model’s accuracy. This study demonstrates the potential of PKS gasification for renewable energy generation and highlights the effectiveness of process simulation for system design and optimization prior to industrial implementation.
Rancang Bangun Walker untuk Lansia dengan Fitur Adjustable Height: Analisis Kekuatan Struktur Menggunakan Simulasi Elemen Hingga Batubara, Yongki; Radyantho, Kholiq Deliasgarin; Sujana, I Made Ivan Wiyarta Cakra; Margyanto, Ageng; Alfandy, Alev Putra; Attila, Muhammad Rayes; Suisman, Kelvin Febriano Wiranata
Jurnal Mekanik Terapan Vol 6 No 2 (2025): Agustus 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v6i2.7685

Abstract

This study aims to design a walker for the elderly equipped with an adjustable height feature to improve user comfort and safety. The frame design was developed using CAD software and its structural strength was analyzed using the Finite Element Method (FEM). Simulations were carried out with static load variations ranging from 40 kg to 90 kg on aluminum alloy 6061-T4 material. The analyzed parameters include von Mises stress, equivalent strain, total deformation, and safety factor. The simulation results show a maximum von Mises stress of 28.99 MPa at a 90 kg load, which remains well below the material’s yield strength of 230 MPa, with a minimum safety factor of 7.849. These findings demonstrate that the walker design is safe to use within the tested load range. Future research is recommended to conduct dynamic structural testing and experimental validation of the physical prototype.
Analisis Konsumsi Energi Listrik Serta Peluang Penghematan Energi Sistem Pencahayaan Dan Sistem Tata Udara Gedung Pusat Perbelanjaan Ekayuliana, Arifia; Adam Hidayat; Fitri Wijayanti
Jurnal Mekanik Terapan Vol 6 No 2 (2025): Agustus 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v6i2.7709

Abstract

Penelitian ini bertujuan mengevaluasi konsumsi energi listrik dan mengidentifikasi potensi penghematan energi pada sistem pencahayaan dan tata udara di Plaza XYZ, sebuah pusat perbelanjaan enam lantai di Jakarta Barat yang belum memiliki sistem pemantauan energi. Metode yang digunakan berupa pendekatan kuantitatif melalui observasi lapangan dan analisis data teknis. Evaluasi dilakukan terhadap jumlah lampu, kapasitas AC split, dan performa chiller menggunakan parameter COP dan kW/TR. Hasil menunjukkan nilai Intensitas Konsumsi Energi (IKE) tergolong boros. Potensi penghematan mencapai 6.927,19 kWh/bulan untuk pencahayaan dan 1.145,40 kWh/bulan untuk tata udara. Rekomendasi diarahkan pada optimalisasi sistem untuk efisiensi energi gedung.

Page 13 of 13 | Total Record : 123

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