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All Journal Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer KREATIF: Jurnal Pengabdian Masyarakat Nusantara
Santoso Santoso
Politeknik Negeri Malang
Computer Science & IT Economics, Econometrics & Finance Education Engineering Health Professions Law, Crime, Criminology & Criminal Justice

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Analisis Pengaruh Rasio Kompresi Dan Persentase Etanol Pada Bahan Bakar Terhadap Kinerja Mesin Otto 4 Langkah Faizal Akbar; Santoso Santoso
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus : Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.229

Abstract

The public demand for better vehicle performance is increasing. Increasing the compression ratio and fuel octane is one solution to improve vehicle performance. This study aims to determine the effect of increasing the compression ratio and ethanol mixture in fuel on the power and torque of the 125 cc Otto engine. The method used is an experiment using a dynotest. The compression ratio was varied to 8.9, 9.2, and 9.6, with ethanol mixtures of 5%, 10%, and 15%. The test data were analyzed using the two-way ANOVA method. The results showed that increasing the compression ratio and ethanol mixture can increase engine power and torque. The highest peak power and torque occurred at a compression ratio of 9.6 with 15% ethanol, which was 6.11 kW and 10.23 N.m. A compression ratio of 9.2 produces 6.07 kW of power and 10.07 N.m of torque at 15% ethanol. A compression ratio of 8.9 produces 5.62 kW of power at 15% ethanol and 9.73 N.m of torque at 10% ethanol.
Pengaruh Persentase Minyak Kayu Putih Dan Nilai Oktan Bahan Bakar Terhadap Getaran Mesin Dan Emisi Gas Buang Muhammad Alfiadi Triswial Arsy; Santoso Santoso
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus : Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.247

Abstract

Vehicles in Indonesia continue to increase every year which has an impact on fuel consumption and air pollution. Vehicle gas emissions are the biggest contributor to air pollution. This research method uses experiments with gas analyzers and vibration meters. Variations in octane values ​​of 90 and 92 with mixture percentages of 10%, 18%, 22% at 2000 to 5000 rpm. Test results were analyzed using two-way ANOVA. The research results showed that at RON 90 there was a change in CO and HC with the best percentage, in the 18% mixture the CO was 0.29% and HC 96ppm compared to the 10% and 22% mixture. At RON 92 there was a change in CO and HC at the best percentage, namely a mixture of 18%, data obtained for CO was 0.19% and HC was 62 ppm. So the reduction in CO and HC levels occurs in the ideal mixture by 18% at RON 90 and 92.
Penerapan Teknologi Sederhana Alat Pengebor Tanah untuk Mempermudah Penanaman Benih Tembakau pada Tanah Kering di Kecamatan Guluk-Guluk Sumenep Madura Achmad Walid; Pipit Wahyu Nugroho; Santoso Santoso; Intan Fadhilah; Irwanda Yuni Pungkiarto; Khoirul Anwar
KREATIF: Jurnal Pengabdian Masyarakat Nusantara Vol. 5 No. 3 (2025): Jurnal Pengabdian Masyarakat Nusantara
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/kreatif.v5i3.8143

Abstract

Guluk-guluk District is located on Madura Island, Sumenep Regency, East Java Province, and is known as the location of the long-established Annuqayah Islamic Boarding School. This district has a total rice field area of ​​approximately 1,141 hectares, and the majority of its population is engaged in farming. During the dry season, farmers in Guluk-guluk grow tobacco, which is an important trade commodity with high economic value for the local community. However, tobacco farmer groups in Guluk-guluk District face several serious challenges during the dry season. Lack of rainfall causes the soil in tobacco fields to become very hard, making it difficult for farmers to plant tobacco seeds efficiently. Currently, farmers are forced to use traditional tools such as crowbars to dig holes in the hard soil. This process is time-consuming and requires significant labor, reducing production efficiency and increasing farmers' workload. This situation makes it increasingly difficult for farmers to increase their agricultural yields. Therefore, through the Community Service program, the community service team aims to introduce simple technology in the form of soil drilling tools. This tool is designed to simplify the process of planting tobacco seeds in hard, dry soil and increase farmer efficiency. By using this efficient soil drill, it is hoped that the productivity of tobacco farmers in Guluk-guluk will increase. This tool not only speeds up the planting process but also reduces labor requirements, allowing farmers to focus more on other aspects of their farming. This program is expected to have a positive impact on improving farmer welfare and optimizing agricultural yields in Guluk-guluk District. Furthermore, the implementation of this technology is also expected to provide training and skills development for farmers in Guluk-guluk.
Co-Authors Achmad Walid Faizal Akbar Intan Fadhilah Irwanda Yuni Pungkiarto Khoirul Anwar Muhammad Alfiadi Triswial Arsy Nugroho, Pipit Wahyu