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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Mechanical Turbo : Jurnal Program Studi Teknik Mesin Jurnal Teknik Mesin Indonesia
Novri Tanti
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Other

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Journal : Jurnal Mechanical

 1 
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.
Kaji Eksperimental Peredam Dinamik dan Energy Harvesting pada Sistem Pegas Massa dengan DVA Tipe Dual Strip Dewa Anom Pasmadi; Asnawi Lubis; Novri Tanti; Zulhendri Hasymi
JURNAL MECHANICAL Vol 11, No 1 (2020)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v11.i1.202003

Abstract

A vibrating system can be suppressed using a vibration damper. One type of vibration dampers is the dynamic vibration absorber (DVA) which usually consists of a mass spring system. In this study DVA of dual strip type is used, which are two strips connected by a spring which are attached by a pin to the main structure. The main structure being tested consists of a mass that has wheels with springs on the left and right. The vibrations that occur in dual-strip DVA is used for energy harvesting using a bimorph piezoelectric type that is attached to a dual-strip DVA. In this study the effectiveness of dual strip DVA in reducing the amplitude of the main structure is observed by varying the spring position connecting the dual strip DVA, and determining the output voltage that can be generated by piezoelectricity. From this study it was found that the effectiveness of dynamic dampers and energy harvesting were obtained for the spring position at the end of the dual strip DVA . The amplitude of the main structure can be reduced by  while the output voltage generated by piezoelectric is
Co-Authors A.Yudi Eka Risano Ahmad Su'udi Asnawi Lubis Azhar Azhar Dewa Anom Pasmadi Herti Utami Jamiatul Akmal Jorfri Boike Sinaga Lia Lismeri Maulana Efendi Muhammad Rahardian Putra Sugiman Sugiman Yuli Darni Zulhendri Hasymi