Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
P-Index
This Author published in this journals
All Journal JMPM (Jurnal Material dan Proses Manufaktur) Prosiding Seminar Nasional Program Pengabdian Masyarakat
Ramadhan, Naufal Hammam Maulana
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Engineering Mechanical Engineering Medicine & Pharmacology Social Sciences

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Tri Karya Sehat Menuju Masyarakat Berkualitas Al-fath, ‘Abqariy Afghanina; Ramadhan, Naufal Hammam Maulana; Dewintasari, Alvita Andya; Handini, Anindya Luthfi; Wibisono, Alif Gumilar; Abisarwan, Naufal; Shintya, Maulia Hindi; Basuki, Faza Ghafara; Azizah, Zhafirah Syara; Atmaja, Widyapramana Dwi
Prosiding Seminar Nasional Program Pengabdian Masyarakat Vol. 7 No. 1 (2024): SIBISA - Seminar Nasional Pengabdian kepada Masyarakat UMY 2024
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/ppm.71.1266

Abstract

Dukuh Selo Timur merupakan wilayah yang berada di daerah pegunungan. Wilayah Selo Timur sendiri termasuk padukuhan yang luas dimana penduduknya mencapai lebih dari seribu jiwa, terdiri dari tiga Rukun Warga (RW) serta delapan Rukun Tetangga (RT). Kondisi topografi berupa bebatuan menjadikan wilayah Selo Timur tidak memiliki area persawahan. Dengan kondisi topografi demikian, warga Selo Timur tidak ada yang berprofesi sebagai petani di wilayahnya. Sebagian besar warganya berprofesi sebagai buruh, jasa kuli angkut, serta produsen genteng dan batu bata. Secara demografis, angka balita dan anak-anak di Selo Timur cukup tinggi. Hal tersebut mengakibatkan Selo Timur berpeluang memiliki angka stunting yang tinggi. Tujuan dari kegiatan pengabdian yang kami lakukan adalah untuk menyadarkan kembali calon pengantin, ibu hamil, dan ibu balita tentang pentingnya menjaga kesehatan dan gizi anak, Dalam pelaksanaannya, kami berkoordinasi dengan pihak terkait di Selo Timur, seperti ahli gizi Puskesmas Kokap I, ibu-ibu kader posyandu balita, bapak-bapak RT, serta pemuda setempat. Hasil dari kegiatan pengabdian kami selama satu bulan yaitu berupa buku saku “Tanggap Stunting Sebelum Genting”.
A Comparative Study of a Single-Cylinder 211cc Diesel Engine Performance Using B100 Biodiesel, Dexlite, and Pertamina Dex Fuels Nurcahyadi, Teddy; Ramadhan, Naufal Hammam Maulana; Samputra, Muhammad Bagas Aji
JMPM (Jurnal Material dan Proses Manufaktur) Vol. 9 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jmpm.v9i2.29548

Abstract

This study investigates the performance characteristics of a single-cylinder diesel engine fueled with Pertamina Dex, Dexlite, and B100 biodiesel. Experiments were conducted at 1000, 2000, 3000, and 4500 rpm to evaluate fuel mass flow rate, torque, brake power, BSFC, thermal efficiency, and engine temperature. The test range extends up to 4500 rpm, exceeding the engine’s 3600 rpm rated speed to specifically assess off-design performance and operational limits. The results show that each fuel exhibits a distinct performance profile. Dexlite delivers the highest torque and brake power at medium speeds. It also achieves the lowest BSFC and the highest thermal efficiency at 2000–3000 rpm. Pertamina Dex shows the most stable performance across all engine speeds, with relatively low fuel consumption and the lowest temperature rise, reflecting its refined hydrocarbon composition and high cetane number. B100 biodiesel displays higher mass flow rates and temperatures but demonstrates competitive thermal efficiency, particularly at low and high speeds, due to its oxygen-rich molecular structure that promotes complete combustion. These findings highlight that Dexlite is best suited for mid-speed efficiency-focused applications, Pertamina Dex delivers uniform and stable performance, and B100 offers combustion advantages under specific thermal and load conditions. This study offers guidance for selecting fuels that improve engine performance and support energy-efficient vehicle applications.
Co-Authors Abisarwan, Naufal Al-fath, ‘Abqariy Afghanina Azizah, Zhafirah Syara Basuki, Faza Ghafara Dewintasari, Alvita Andya Handini, Anindya Luthfi Nurcahyadi, Teddy Samputra, Muhammad Bagas Aji Shintya, Maulia Hindi Wibisono, Alif Gumilar Widyapramana Dwi Atmaja, Widyapramana Dwi