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All Journal Jurnal Ilmiah Mandala Education (JIME) JUPE : Jurnal Pendidikan Mandala PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Kumawula: Jurnal Pengabdian Kepada Masyarakat Majamecha Abdi Masyarakat Jurnal Teknik Terapan (J-TETA) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin Propeller International Journal of Economics, Management and Accounting
Manesi, Damianus
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Analisis Kinerja dan Efisiensi Alat Uji Nozzle Injector Diesel Berbasis Limbah Hydraulic Jack Sunbanu, Julianro Elvis; Manesi, Damianus; Bianome, Wofrid E
Jurnal Teknik Terapan Vol. 5 No. 1 (2026): April
Publisher : P3M Politeknik Negeri Jember

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Abstract

The limited availability of affordable and reliable diesel nozzle injector testing devices remains a significant constraint in small-scale workshops and mechanical engineering laboratories. In fact, the performance of a nozzle injector plays a critical role in determining fuel atomization quality, which directly affects combustion efficiency and exhaust emissions. This study aims to develop and evaluate the performance of a diesel nozzle injector testing device based on a recycled hydraulic jack as a cost effective and appropriate technology solution. The research employed a Research and Development (R&D) method with an experimental approach, including system design using SketchUp software, prototype fabrication and assembly, and performance testing. Experiments were conducted in five repetitions for each parameter, measuring maximum pressure, pressure stability after 10 seconds (P10s), and spray characteristics in terms of angle and width. The data were analyzed quantitatively using mean, standard deviation, coefficient of variation, as well as efficiency and effectiveness calculations. The results show that the device achieved an average pressure of 257 kg/cm² with a coefficient of variation below 20% and a pressure drop of approximately 7%, which falls within the standard operating range of conventional diesel nozzles (200-300 kg/cm²). The spray pattern exhibited a fan shape with an average angle of 19.67° and a width of 10.4 cm, indicating stable atomization performance. The system efficiency reached 93%, while the effectiveness was 33.3%, suggesting the need for improvement in pressure control.
Co-Authors A. Tnunay, Imanuel Adiwijaya, Puji Alphatehah Putra Tri Surya Adriyanto, Agus Aldri Frinaldi Aloysius Sabon Payon Aminuyati Atok, Laurensius Kristo Bianome, Wofrid Bianome, Wofrid Erlista Boy Bistolen Edy Suprapto fahriza Fahrizal Fahrizal Fahrizal Fahrizal Hanmina, Marsianus M F Hizkia, Nur Ade Hodo, Yeremias Lake Ismail, Abdi Jasman Jasman K, Basri Lamak, Elisabeth C. Lengo, Edwinurius Berlinus Liu, Mikhael Dendy Robertus Lopo, Elkana Lopo, Elkanan Bilak Mau, Sealtial Messakh, Jakobis Mnune, Edwin Deriston Moi, Bernadeta Lorensa Mubaroq, Zakky Al Nuban, Albi Pell, Yeremias M Priyono Priyono Putra, Tri Mandala Rohi, Jemssy R Rohi, Jemsy R. Ruhma, Zakka Silitonga, Tatar Bonar Sunbanu, Julianro Elvis Susanto, Yohanes Karoberd Yugi Taneo, Melkisedek Tatar Bonar Silitonga Tnunay, Imanuel Tnunay, Imanuel Adam To, Yonas Wenseslaus Bunganaen Wofrid E. Bianome Yeremias Pell Zaini, Ansori