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All Journal JTM-ITI (Jurnal Teknik Mesin ITI)
Insani, Chairil
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Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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RANCANG BANGUN TURBIN REAKSI PADA SUNGAI TAMAN KOTA 2 DENGAN MODEL ALIRAN VORTEX Insani, Chairil
JTM-ITI (Jurnal Teknik Mesin ITI) Vol 5, No 2 (2021): Jurnal Teknik Mesin ITI
Publisher : Institut Teknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (728.533 KB) | DOI: 10.31543/jtm.v5i2.587

Abstract

Electricity is a necessity that must exist today, its use is always subject to binding. Most of the electricity comes from fossil energy-based power plants such as PLTU. Therefore, a solution was made by making a vortex water turbine to produce electrical energy. Utilizing a river flow with a small head of water, the water will enter the cross section. The flow will form a vortex because the shape of the section and the draft tube makes the lower side of the section have lower pressure. The vortex turbine will be designed to use a permanent magnet 150 watt AC generator. With a cross section of 60 x 55 x 150cm, draft tube 9.6 mm and turbine blade 30 x 50cm made of aluminum. On the framework will be used a 3 x 3.5 cm strip plate which is rolled. In order to withstand the impact of water on the blade, a 7 mm shaft is used and a nominal bearing life of 10274 hours. The resulting rotation is continued with a pulley with a diameter of 30 mm, 180 mm and with a belt type V material JIS K 6323 A 34.
Analisis Termodinamika Siklus Pembangkit Listrik Tenaga Uap Kapasitas 1500 kW Irawan, Ochtafian Wahyu; Pratama, Lutvin Susdiawan; Insani, Chairil
JTM-ITI (Jurnal Teknik Mesin ITI) Vol 5, No 3 (2021): JTM-ITI (Jurnal Teknik Mesin ITI)
Publisher : Institut Teknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (533.889 KB) | DOI: 10.31543/jtm.v5i3.579

Abstract

Pembangkit Listrik digunakan untuk membangkitkan listrik dari berbagai sumber energi seperti pembangkit listrik tenaga uap (PLTU). PLTU ini memiliki kapasitas 1500 kW dengan data data yang telah diperoleh tekanan dan temperatur berdasarkan tabel properties of saturated water (liquid–vapor) temperature maka dapat dilakukan perhitungan kualitas campuran pada kondensor dan efisiensi termal pada suatu siklus pembangkit listrik tersebut. Uap jenuh memasuki turbin pada siklus Rankine ideal pada tekanan 20 bar dan mengalami ekspansi pada turbin sampai pada tekanan kondensor 2,5 bar. Dalam penelitian ini dilakukan perhitungan efisiensi termal siklus pembangkit listrik tenaga uap tersebut, kemudian setelah dilakukan perhitungan didapatkan hasil efisiensi termal siklus tersebut adalah 19,3%. Efisiensi termal dapat ditingkatkan dengan melakukan penurunan suhu dan tekanan pada kondensor, meningkatkan tekanan pada boiler, dan meningkatkan suhu ketika fluida kerja dalam keadaan superheated.
Co-Authors Irawan, Ochtafian Wahyu Pratama, Lutvin Susdiawan