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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Teknik ITS Prosiding Seminar Nasional Sains dan Teknologi Terapan JMES: The International Journal of Mechanical Engineering and Sciences Jurnal Ilmu Komunikasi Dan Media Sewagati
Nur Ikhwan
Institut Teknologi Sepuluh Nopember
Arts Humanities Computer Science & IT Education Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Perawatan Sepeda Motor Ojek Online Solusi Tulang Punggung Ekonomi Pengemudi Ojek Yuwono, Triyogi; Sasongko, Herman; Sutardi; Ikhwan, Nur; Widodo, Wawan Aries; Suhardjono; Sampurno; Shabrina, Dhia Fairuz
Sewagati Vol 8 No 5 (2024)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v8i5.2196

Abstract

Terbatasnya transportasi publik yang nyaman serta juga kecenderungan masyarakat menggunakan kendaraan secara individu telah menciptakan peluang pekerjaan baru, yakni ojek. Bagi pengemudi ojek, sepeda motor untuk melayani pelanggan merupakan tulang punggung kehidupan ekonomi mereka. Sehingga perawatan sepeda motor menjadi kebutuhan utama. Namun dengan penghasilan yang hanya 100 ribu rupiah per hari, maka biaya perawatan menjadi persoalan tersendiri. Oleh karena itu, pengabdian masyarakat ini dilakukan dalam rangka membantu para pengemudi ojek dalam merawat sepeda motornya secara gratis. Bekerja sama dengan mahasiswa yang tergabung dalam Lembaga Bengkel Mahasiswa Mesin (LBMM), para dosen pengabdi dari Departemen Teknik Mesin, Fakultas Teknologi Industri dan Rekayasa Sistem, Institut Teknologi Sepuluh Nopember, telah berhasil melakukan servis gratis untuk 75 sepeda motor pengemudi ojek di sekitar kampus. Seluruh pengemudi ojek peserta kegiatan ini menyatakan sangat puas dan berharap kegiatan servis gratis ini dapat dilakukan secara rutin, karena sangat membantu mereka dalam melakukan pekerjaannya sehari-hari.
Numerical Study of Bach-bladed Savonius Wind Turbine with Varying Blade Shape Factor Kelvin Ibrahim; Vivien Suphandani Djanali; Nur Ikhwan
JMES: The International Journal of Mechanical Engineering and Sciences Vol 4 No 2 (2020)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v4i2.7839

Abstract

Technical Study of the Performance of Liquid Sulfur Combustion in the Process of Sulfuric Acid Production Suwarmin Suwarmin; Bambang Sudarmanta; Nur Ikhwan
JMES: The International Journal of Mechanical Engineering and Sciences Vol 2 No 1 (2018)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v2i1.5171

Abstract

The production process of sulfuric acid is carried out in stages from combustion of liquid sulfur to SO$_2$, then to SO$_3$ and dissolving SO$_3$ in aqueous sulfuric acid solution to concentrated sulfuric acid (high concentration). The success of the production process is very dependent on the initial combustion process into SO$_2$, physical parameters on the liquid sulfur characteristics and the nozzle geometry. The process of burning liquid sulfur depends on the pattern of atomization in the geometry of the nozzle and its fluid characteristics. Liquid sulfur is included in non-newtonian fluids, so the atomization process requires an understanding of its characteristics. The atomization mechanism at the nozzle depends on 3 parameters including viscosity, surface tension and density. In non- Newtonian fluid 3 parameters are sensitive to changes in pressure and temperature. In terms of the geometry of the tip nozzle diameter, smaller diameter, the atomization process is better, but a decrease in temperature will cause clogging. Individual installation of temperature and pressure sensors for each nozzle is chosen so that the atomization of each nozzle can be controlled.
Co-Authors Bambang Sudarmanta Burhanuddin . Endroyono, E Filipus Ardian Wijaya Firdaus Zakaria Nugraha Gamantyo Hendrantoro Handi Prasetya Herman Sasongko Heru Mirmanto Kelvin Ibrahim Niko Permana R.W. Raka Aditya Nugraha Sampurno Shabrina, Dhia Fairuz Suhardjono Sutardi Suwarmin Suwarmin Triyogi Yuwono Vivien Suphandani Djanali Wawan Aries Widodo Yudhiakto Pramudya