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Jurnal Penelitian
Published by Politeknik Penerbangan Surabaya
ISSN : 19786832     EISSN : 26225948     DOI : -
Core Subject : Education, Engineering,
Aerospace Engineering Education Electrical & Electronics Engineering Transportation
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Articles 2 Documents
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Search results for , issue "66-74" : 2 Documents clear
Simulasi Otomatisasi Pengoperasian pompa Air Untuk Mengatur Ketinggian Air Danau di Bandar Udara Internasional Juanda Surabaya Berbasis Arduino Uno Fiqqih Faizah; Wempy Brilliansya
Jurnal Penelitian 66-74
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (566.784 KB) | DOI: 10.46491/jp.v2i1.113

Abstract

Melubernyaair danau dapat terjadi di Bandar Udara Internasional Juanda Surabaya karena banyaknya air yang ditampung dan terlambatnya kerja pompa air untuk mengalirkan air dari danau ke sungai. Sistem pengoperasian pompa dipandang belum efektif dan efisien karena masih dilakukan secara manual dengan cara teknisi harus datang ke lokasi untuk memeriksa tingkat ketinggian air dan mengoperasikan pompa. Selain itu, jarak dari ruang teknisi dan rumah pompa cukup jauh sehingga memerlukan waktu untuk mencapainya. Oleh karena itu, penelitian ini dirancang untuk membantu memudahkan kerja para teknisi dengan memodelkan sistem otomatisasi penyalaan pompa berdasarkan kondisi ketinggian air di danau dan sungai. Prototip alatmemanfaatkan sensor ultrasonik HC-SR04 untuk mendeteksi ketinggian air dan sensor arus ACS-712 untuk mendeteksi arus dari pompa. Optimasi sistem penyalaan pompa menggunakan metode daftar prioritas (priority list) dari beberapa pompa air yang tersedia.
PENGARUH PENAMBAHAN PROSENTASE ETHANOL DAN MODIFIKASI JENIS PISTON TERHADAP UNJUK KERJA MESIN SATU SILINDER Bambang Junipitoyo; Moh. Fahmi Almansyah; Rifdian I.S; Bayu Dwi Cahyo
Jurnal Penelitian 66-74
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46491/jp.v8i1.1359

Abstract

In recent years, the world's need for fossil energy such as oil and gas will increase. Meanwhile, fossil energy reserves are decreasing. This is also due to the high number of motorized vehicles. With the growth of motorized vehicles as a mode of transportation and limited fossil fuels, it is necessary to develop renewable energy as an alternative energy. This is a step to reduce the use of fossil fuels. . Ethanol is an alternative fuel source derived from plants or vegetable sources. The high octane contained in ethanol can be used as a fuel mixture or as the fuel itself. This research was carried out experimentally to determine the effect of using ethanol on the power, torque, and efficiency of the engine. In carrying out this research the first steps required are fuel, ethanol, piston variations and a tool to obtain data, namely the Dynotest. The engine will observe changes in the aspects of power, torque and efficiency by using the addition of ethanol to pertalite and piston changes. The percentages used are 25%, 30%, 35%, 40%. The results of this study obtained the best Power, Torque and Fuel Efficiency which were obtained in tests of standard piston engines and piston changes and a mixture of ethanol and pertalite obtained when using piston changes with a compression ratio of 11: 1 with a maximum power of 8.15 HP, torque at 22.96 Nm and the best fuel efficiency is 0.235 ml/s.

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