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Machfud Priyo Utomo
Politeknik Negeri Jakarta
Automotive Engineering Computer Science & IT Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Rancang Bangun Perangkat Perekam Data Konsumsi Bahan Bakar Dan Rasio Udara-Bahan Bakar Digital Untuk Analisa Unjuk Kerja Mesin Bensin Pembakaran Dalam Muhammad Hidayat Tullah; Yuli Mafendro Dedet Eka Saputra; Fachruddin Fachruddin; Machfud Priyo Utomo; Farhan Maulana Rahman
Jurnal Mekanik Terapan Vol 1 No 2 (2020): November 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v1i2.3362

Abstract

Kebutuhan akan data aktual terkait unjuk kerja mesin menjadi sangat penting dalam dunia penelitian. Data-data yang presisi mutlak diperlukan sebagai dasar dalam melakukan suatu pengembangan teknologi sebagai pembanding antara kondisi sebelum dan sesudah dilakukannya pengembangan. Penelitian ini adalah rancang bangun perangkat perekam data konsumsi bahan bakar dengan target ketelitian mencapai 10ml/menit dan Rasio Udara-Bahan Bakar (AFR) Digital untuk analisa unjuk kerja mesin pembakaran dalam. Konsumsi bahan bakar dihitung dengan pengukuran volume bahan bakar secara real-time sepanjang mesin digunakan dengan memanfaatkan sensor load cell sebagai pemberi informasi ke digital data logger dengan hasil tingkat ketelitian mencapai 3,4ml/menit. AFR diukur dengan menggunakan sensor oksigen yang diletakkan pada saluran gas buang mesin dengan hasil range pembacaan 10 s.d 20 AFR.
Pengembangan Model Pembangkit Listrik Tenaga Picohydro Tipe Turbin Cross Flow Head Rendah Gun Gun R Gunadi; Jusafwar; Candra Damis Widiawaty; Machfud Priyo Utomo; Ramdana Ajie Satria; Muhammad Raihan Abimanyu; Adi Syuriadi; Dianta Mustofa Kamal; Rosidi
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1527

Abstract

The provision of food, energy supply, and the provision of information are The food provision, energy supply, and information delivery are controlled to improve people's welfare. In 2011, the national electricity production by PLN was 11% new and renewable energy. 6% hydropower and 5% geothermal. PLN plans the geothermal to be 13% and hydropower to be 6%. The availability of independent PhPP has been built by many communities. PhPP with a waterwheel drive provides a capacity of about 100 watts thus it is only enough for home lighting, whereas the hydro energy potential of the area is quite abundant. The development that has been carried out has several weaknesses; PhPP plump turbine type requires a high head which becomes a constraint for agricultural irrigation, in the other hand PhPP waterwheel type has low efficiency. The research was conducted to develop PhPP low head cross-flow turbine type, which is more efficient. The development begins with the experiment of the PhPP cross-flow turbine model to optimize the ratio of the diameter and width of the runner. A preliminary case study provides experimental results for a cross-flow turbine's torque and power parameters at a flow rate of 0.053 m3/s. Changes in the turbine diameter and width ratio are optimum at a runner width of 10 cm.
Co-Authors Adi Syuriadi Candra Damis Widiawaty Fachruddin Fachruddin Farhan Maulana Rahman Gun Gun R Gunadi Jusafwar Kamal, Dianta Mustofa Muhammad Hidayat Tullah Muhammad Raihan Abimanyu Ramdana Ajie Satria Rosidi Yuli Mafendro Dedet Eka Saputra