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Deni Mulyadi, Cecep
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Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering

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Analisa Prestasi Pembangkit Listrik Tenaga Uap (PLTU) Berbahan Bakar BatuBara Hasil Upgrading Deni Mulyadi, Cecep; Kristyadi, Tarsisius; Putra, Alexin; Rusirawan, Dani
Infotekmesin Vol 12 No 1 (2021): Infotekmesin: Januari 2021
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v12i1.370

Abstract

Coal is a cheap fuel, so it is widely used by steam power plants (PLTU). With many PLTUs using coal, the demand for coal  increases and the quality of the coal is decreasing and the price continues to rise. With this problem, it is necessary to improve  coal quality, one of which is by upgrading using a gas exhaust boiler. With using rotary dryer, the coal will be upgraded from low calorie to high calorie by reducing the moisture content, which will then be applied to the tempo cycle software 5.1. After application at cycle tempo 5.1, the best efficiency increase for PLTU can be increased efficiency and decrease coal rate, which is best obtained in the third experiment which achieved 37,041% efficiency with a coal rate of 17,567 kg / s.
Perancangan dan Pembangunan Sistem Distribusi Air Bersih Deni Mulyadi, Cecep; Ubay Caraka, Muhammad
Infotekmesin Vol 12 No 2 (2021): Infotekmesin: Juli 2021
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v12i2.411

Abstract

Water is one of the natural resources that is very useful for every living thing. Water demand of human will increase in accordance with technological developments that occur in the community, with an effective and efficient regulatory and processing system using plumbing systems. The clean water distribution system in an academic building can work if it is supported by a system of clean water storage that is in accordance with the needs and supported by a pump installation system and piping installation. In the selection of water storage capacity, the selection of pumps and piping systems must be adjusted to the needs of the academic building, it is important to understand the capacity, pipe diameter and installation head. From the calculation results obtained a flow capacity of 1.56 m³/minute with a water tank capacity of 84 m³/day in 8 hours of operational time in one day. A roof water tank capacity of 15 m³ that is able to serve the peak needs of clean water for 30 minutes. While the total head of the installation is 30 meters, so that the selected type of centrifugal pump with a rotation of 3000 rpm, frequency 50 Hz, motor power 15 KW.
Co-Authors Kristyadi, Tarsisius Muhammad Alexin Putera RUSIRAWAN, DANI Ubay Caraka, Muhammad