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Afdal
Universitas Eka Sakti
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Torque and Power Testing of the Pelton Turbine Dedi Wardianto; Irwan Anwar; Afdal
Jurnal Teknik Mesin Vol 11 No 1 (2021): Jurnal Teknik Mesin Vol.11 No.1 April 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (753.091 KB) | DOI: 10.21063/jtm.2021.v11.i1.19-25

Abstract

Energy sources that can be renewed in Indonesia according to Asean energy sources, one of which is microhydro that uses water as a source of energy from a turbine. The potential energy of water is converted into kinetic energy in the nozzles. The water coming out of the nozzle that has a high speed hits the turbine blade. After hitting the blade direction the flow velocity changes so that the momentum changes (impulses) so that the turbine wheel will rotate. Pelton Turbines are impulse turbines which consist of a set of road blades that are rotated by a jet of water sprayed from one or more devices called nozzles. Pelton Turbine is one of the most efficient and suitable types of water turbines used for high head and small flow discharge. Pelton turbines have several advantages including turbine efficiency which is relatively stable at various changes in flow discharge. The purpose of this writing is to find out and provide insight into the torque and power of the Pelton turbine and the effect on the valve openings that are varied.
Vibration Analysis to Detect Failure Bearing of Centrifugal Pump “Black Liquor Pump” in PT. Riau Andalas Pulp & Paper (RAPP) Irwan Anwar; Afdal
Jurnal Teknik Mesin Vol 11 No 2 (2021): Jurnal Teknik Mesin Vol.11 No.2 October 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2021.v11.i2.146-152

Abstract

Bearing is one of machine element specialized to hold the load both radial and thrust load, also in supporting the shaft while operating. Because of a factor such as friction that occurred between bearing and shaft It would be influencing to machine’s performance is totally dependent to the currently used bearing and inefficiently operation. This research’s aim was to be analyzed what kind of failure and detected the cause of it failures that appear influencing to the bearing life time. The method used to research of that failures using relevant update issue such as literature study, surveying, collecting data. The result of this researching showed the cause of that bearing failure was happened at the cage of bearing and broken of bearing ring. Furthermore, supervising by control of a good maintenance schedule, making influence to the effect of load on reliability. So the remaining life of bearing had been investigated, showing that a potential decrease in remaining life significantly.
Co-Authors Irwan Anwar