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All Journal JURNAL INSTEK (Informatika Sains dan Teknologi) Jurnal Elemen
Syamsuddin, Usman
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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PENGARUH PENAMBAHAN STP COOLER PADA AIR NON COOLANT TERHADAP TEMPERATUR MESIN Sukri; Syamsuddin, Usman; Merpatih; Musthofa, Imron; Kasmawati
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 1 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i1.271

Abstract

In general, the engine when running must be in a stable condition. So it is necessary to keep the engine temperature cool during operation, this is very important so that performance is maintained and power is not sluggish. One way is to use a cooler, adding STP Cooler to non-coolant water will certainly reduce engine temperature. The purpose of this study was to determine the effect of using STP Cooler on engine temperature when using plain water and a mixture of plain water and STP Cooler. The method used in this study was to test at 3 variations of engine speed, namely 1000 rpm, 1500 rpm and 2000 rpm. The results obtained show that the average temperature of the engine when using plain water at 1000 rpm engine speed is 65 oC, at 1500 rpm engine speed the temperature is 70 oC, and at 1500 rpm engine speed the temperature is 78.3 oC, while the average temperature when using a mixture plain water with STP Cooler at 1000 rpm rotation the temperature is 70.6 oC, , at 1500 rpm rotation the temperature is 75.3 oC, and at 2000 rpm rotation the temperature is 81 oC, . From the test results it can be concluded that when using ordinary water the average temperature is still lower than when using a mixture of ordinary water and STP Cooler.
PENGARUH PENGGUNAAN BUSI STANDAR DAN BUSI IRIDIUM TERHADAP KONSUMSI BAHAN BAKAR PADA TOYOTA KIJANG 7K EFI Syamsuddin, Usman; sukri, Sukri
ELEMEN : JURNAL TEKNIK MESIN Vol. 12 No. 1 (2025)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v12i1.297

Abstract

Spark plugs are an important component in the combustion process in the combustion chamber. The type of spark plug used will affect fuel consumption. This study aims to determine the comparison of fuel consumption when using iridium spark plugs and standard spark plugs. The method used is to test on 3 variations of engine rotation, namely 1000, 1500 and 2000 rpm with a duration of 5 minutes. The results of the study show that the average fuel consumption when using iridium spark plugs is greater than that of standard spark plugs. The average fuel consumption using an iridium spark plug at 1000 rpm is 33 mL more wasteful than using a standard spark plug, at 1500 rpm the engine speed is 27 mL more wasteful and at 2000 rpm the engine is more wasteful by 10 mL. So it can be concluded that the use of iridium spark plugs in 3 variations of engine rotation is 20.14% more wasteful than using standard spark plugs.
PENGARUH TEMPERATUR WATER COOLANT DAN AIR BIASA TERHADAP KONSUMSI BAHAN BAKAR PADA MESIN BENSIN DAIHATSU TARUNA EFI 1.6 Sukri, Sukri; Syamsuddin, Usman; Musthofa, Imron; Artika, Kurnia Dwi; Merpatih, Merpatih
ELEMEN : JURNAL TEKNIK MESIN Vol. 12 No. 1 (2025)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v12i1.320

Abstract

Vehicles with conventional engines produce heat from combustion in the engine, so that the engine temperature is stable, a radiator water system is needed. The purpose of this study was to determine the effect of water coolant and plain water temperatures on fuel consumption. The method used was to test 3 variations of engine speed, namely 1000, 1500 and 2000 rpm on fuel consumption and engine temperature. The results obtained showed that the average fuel consumption was the same when using water coolant and plain water at an engine speed of 1000 rpm and the water coolant temperature was 3 oC lower than the temperature of plain water. While the average fuel consumption when using water coolant was 17 mL lower than using plain water at engine speeds of 1500 rpm and 2000 rpm, with a temperature drop of 1-3 oC. So, fuel consumption and temperature were lower when using water coolant than when using plain water.
APLIKASI JASA PEMESANAN DIGITAL PRINTING BERBASIS WEB FAISAL, FAISAL; SYAMSUDDIN, USMAN
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 4 No 2 (2019): OCTOBER
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3313.397 KB) | DOI: 10.24252/instek.v4i2.11584

Abstract

Digital printing adalah sebuah metode percetakan gambar berupa file, kemudian bisa langsung dicetak pada berbagai media secara instan dan cepat di era perkembangan teknologi informasi. Saat ini masih ada perusahaan yang melakukan pemasaran dengan cara memanfaatkan media cetak seperti banner,spanduk,leaflet. Penelitian yang digunakan adalah kualitatif, adapun metode yang digunakan untuk penggumpulan data yang dipakai untuk merancang aplikasi ini adalah metode observasi, wawancara, dokumentasi dan studi literature. Metode peraancangan aplikasi pemesanan digital printing menggunakan metode UML (Unified Modeling Language). Analisis yang digunakan yakni analisis yang sedang berjalan dan analisis yang diusulkan. Sistem ini mencangkup menu utama, menu admin, menu produk, menu pemesanan, menu login dan menu transaksi. Hasil dari penelitian ini digunakan untuk mempermudah proses pemesanan produk digital printing. Kata Kunci :Digital printing,Pemesanan,Pelayanan/jasa,UML
PENGARUH PENAMBAHAN STP COOLER PADA AIR NON COOLANT TERHADAP TEMPERATUR MESIN Sukri; Syamsuddin, Usman; Merpatih; Musthofa, Imron; Kasmawati
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 1 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i1.271

Abstract

In general, the engine when running must be in a stable condition. So it is necessary to keep the engine temperature cool during operation, this is very important so that performance is maintained and power is not sluggish. One way is to use a cooler, adding STP Cooler to non-coolant water will certainly reduce engine temperature. The purpose of this study was to determine the effect of using STP Cooler on engine temperature when using plain water and a mixture of plain water and STP Cooler. The method used in this study was to test at 3 variations of engine speed, namely 1000 rpm, 1500 rpm and 2000 rpm. The results obtained show that the average temperature of the engine when using plain water at 1000 rpm engine speed is 65 oC, at 1500 rpm engine speed the temperature is 70 oC, and at 1500 rpm engine speed the temperature is 78.3 oC, while the average temperature when using a mixture plain water with STP Cooler at 1000 rpm rotation the temperature is 70.6 oC, , at 1500 rpm rotation the temperature is 75.3 oC, and at 2000 rpm rotation the temperature is 81 oC, . From the test results it can be concluded that when using ordinary water the average temperature is still lower than when using a mixture of ordinary water and STP Cooler.
Co-Authors Faisal Faisal Imron Musthofa Kasmawati Kurnia Dwi Artika, Kurnia Dwi Merpatih Merpatih, Merpatih Musthofa, Imron Sukri sukri Sukri, sukri