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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Mechanical Jurnal Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin
Jorfri Boike Sinaga
Jurusan Teknik Mesin Universitas Lampung, Bandar Lampung Jl. Prof. Sumantri Brojonegoro No.1 Bandar Lampung 35145
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Other

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Journal : Jurnal Mechanical

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Perancangan Model Pembangkit Listrik Dengan Menggunakan Teknologi Pompa Tanpa Motor (Hydraulic Ram Pump) Jorfri Boike Sinaga; Azhar Azhar; Novri Tanti; Sugiman Sugiman
JURNAL MECHANICAL Vol 8, No 2 (2017)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v8.i2.201709

Abstract

This paper presents the design of parameters of  hydraulic ram pump and hydraulic turbine to use  the energy of flowing water for water supply to generate electrical power and irrigation. Design of  parameters of hydraulic ram pump with head of water supply of 1,5 m was obtained: 1,25 in. diameter and  8 m length of drive pipe,  200 gr and 4,6 cm of weight  and diameter of impulse valve,  4.200 cm3 of air chamber volume. The testing results of the hydraulic ram pump model shown that water could be pumped as far as the height of 7 m and 8 m, with the volume flow rate of 2,755 lit/men and 1,73 lit/men.  Design of  geometric parameters of cross flow hydraulic turbine with head of water supply of 1,75 m was obtained:  12 cm and 8 cm of external and internal diameter, 25 cm of runner width,  and 18 of runner number.   The testing results of the cross flow hydraulic turbine shown that power could be generated 83,47 W with the volume flow rate of 0,01 lit/s and the efficiency of 71,05 % at 799 rpm. The testing result also shown that with using volume flow rate of 0,003 lit/s, this turbine could be generated 23,39 W with the efficiency of 46,64 %. Technically the technology of hydraulic ram pump can be developped and used to supply of water for irrigation and generating of electrical power.
Experimental Study of the Effect of Blade Shape on the Performance of Darrieus Turbines. Sinaga, jorfri Boike
JURNAL MECHANICAL Vol 15, No 1 (2024): JURNAL MECHANICAL
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This paper presents an experimental study on the effects of blade shape on the performance of a straight-bladed hydrokinetic turbine of the Darrieus type. The blade shapes used are RISO A-832, NACA 63-818, and NREL S833. The tested turbine has a diameter of 20 cm, a height of 20 cm, a chord length of 8.3 cm, and three blades. Testing was conducted with variations in flow rates of 0.064  m3/s, 0.008  m3/s , and 0.094  m3/s . The test results show that the maximum efficiency of 20.53 % achieved by the RISO A-832 blade shape is better compared to the NACA 63-818 and NREL S833 blade shapes, which yielded maximum efficiencies of 17.31 % and 14.29 %, respectively, at a flow rate of 0.094  m3/s .
Co-Authors Ahmad Suudi Azhar Azhar M DYAN SUSILA M Irsyad M. Dyan Susila Manalu, Rizki Zakaria Novri Tanti Sembiring, Okta Syahputra Sugiman Sugiman