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All Journal Jurnal Surya Teknika Jurnal Teknik Industri Terintegrasi (JUTIN)
Japri Lukman, Japri
Universitas Muhammadiyah Riau
Automotive Engineering Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Rancang Bangun dan Pengujian Tungku Peleburan Aluminium Berbahan Bakar Minyak Bekas istana, Budi; Lukman, Japri
Jurnal Surya Teknika Vol 2, No 04 (2016): Surya Teknika
Publisher : Jurnal Surya Teknika

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Abstract

Peleburan logam merupakan suatu proses produksi dengan cara mencairkan logam hingga mencapai titik lebur kemudian dituang ke dalam rongga cetakan  hingga menghasilkan bentuk geometri semirip  produk akhirnya. Penelitian ini bertujuan untuk merancang, membuat dan menguji tungku peleburan aluminium berbahan bakar minyak bekas (Minyak Jelantah). Tungku peleburan logam yang dihasilkan berkapasitas peleburan 10 Kg Aluminium. Dimensi luar tungku berbentuk silinder dengan diameter 36 cm, tinggi 40 cm dan dimensi dalam diameter 30 cm dan tinggi 35 cm. Dari hasil pengujian diperoleh waktu yang dibutuhkan untuk melebur 1 Kg Aluminium adalah 25 menit pada temperature mencapai 701 oC dengan konsumsi bahan bakar sebanyak 1,48 Liter. Tungku ini diharapkan dapat menjadi sarana pembelajaran bagi mahasiswa dalam perkuliahan teknik pengecoran logam non ferro khususnya aluminium.
MODIFIKASI SISTEM PENDINGIN PADA MESIN DIESEL DARI TYPE HOPPER KE TYPE RADIATOR UNTUK MENINGKATKAN KINERJA PENDINGINAN Lukman, Japri; Fiatno, Aris
Jurnal Teknik Industri Terintegrasi Vol 2, No 1 (2019): Mei
Publisher : Research Center University of Pahlawan Tuanku Tambusai

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Abstract

The engine cooling system is a system that functions to ensure engine temperature in ideal conditions. Diesel motor with hopper type cooling system, cooling effect is obtained by crawling the cylinder block heat into cooling water, causing the air to condense to the surface. To reduce the addition of hopper type cooling frequency, it was done to modify the hopper type cooling system to a radiator cooling system, the radiator cooling system is more effective in maintaining engine working temperature. The design of the cooling system is mounted parallel to the pulley, the cooling fan rotation is the same as the engine speed, while the radiator is installed in front of the cooling fan with the cooling fan distance to the radiator 13.5 cm. The thermostat speeds up the working temperature of the engine when the engine is still cold and also functions to maintain the engine always at work temperature. Operation of more than 1 hour of the hopper type cooling system needs to add water and the water temperature reaches 100 ° C past the intermediate working temperature of the machine (70 -80 ° C). In this condition, the type hopper cooling system does not normally maintain engine temperature for a long time because the engine temperature continues to increase, while the radiator cooling system will be stable at the working temperature
Co-Authors Fiatno, Aris