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All Journal International Journal of Renewable Energy Development Rotasi TELKOMNIKA (Telecommunication Computing Electronics and Control) Rekayasa Mesin Proceeding SENDI_U Conference SENATIK STT Adisutjipto Yogyakarta Conference on Innovation and Application of Science and Technology (CIASTECH) INTEK: Jurnal Penelitian Jurnal Sains dan Teknologi Reaksi Pilar Teknologi : Jurnal Penelitian Ilmu-ilmu Teknik International Journal of Mechanical Engineering Technologies and Applications (MECHTA)
Rudy Soenoko
Brawijaya University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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ADVANCED TURBINE WORKING: IMPACT OF WINGLET ON VERTICAL WIND TURBINE DARRIEUS TIPE H Amir, Ahmad Ihwan; Soenoko, Rudy; Wijayanti, Widya; Setiadhi, David
International Journal of Mechanical Engineering Technologies and Applications Vol. 5 No. 1 (2024)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2024.005.01.8

Abstract

In this study, the effect of winglets on improving the performance of type h darrieus wind turbines was investigated. The aim is to determine the most suitable winglet design and find out the magnitude of the increase in wind turbine performance. The method used is experimentation to find the RPM and torque used for calculate the TSR value and turbine power. From all the trial and error experiments, the type of blended winglet that best suited the characteristics of the VAWT. The experimental results show that the addition of blended winglet increases RPM of 13.6% in the 3-blade turbine and turbine it increases of 9% in the 4-blade turbine. The increase in average torque is 13.2% in a 3-blade turbine and 9.4% in a 4-blade turbine. The average increase in power coefficient is 11% in a 3-blade turbine and 9% in a 4-blade blade. In conclusion, the addition of blended winglets produces better torque and power compared to turbine models without winglets.
Pengaruh Perendaman Alkali, Kalium Permanganat, dan Hidrogen Peroksida terhadap Perubahan Diameter Serat Sabut Kelapa Sebagai Bahan Komposit Ramah Lingkungan Arsyad, Muhammad; Soenoko, Rudy
INTEK: Jurnal Penelitian Vol 6 No 1 (2019): April 2019
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (783.074 KB) | DOI: 10.31963/intek.v6i1.1009

Abstract

This study aims to determine the effect of alkali treatment and hydrogen peroxide on the change in diameter of coconut fiber as an environmentally friendly composite material. This research was carried out with several stages, namely: preparation of materials and tools, treatments, measurement of diameter, analysis, and discussion. Materials and equipment used are coconut fiber, alkaline solution, hydrogen peroxide solution, distilled water, a set of immersion media, and digital microscopes. Coconut fiber was soaked in alkaline solution with 10% concentration for 1, 3, 5, 7, 9, and 11 hours, then dried in a furnace at 90oC for 5 hours. Furthermore, coconut fiber was soaked again in potassium permanganate solution with a concentration of 0.5% for 1, 3, 5, 7, 9, and 11 hours, then dried in a furnace at 90oC for 5 hours. Then the coconut fiber was soaked again in a hydrogen peroxide solution with a concentration of 10% for 1, 3, 5, 7, 9, and 11 hours, then dried in a furnace at 90oC for 5 hours. After that, using a digital microscope the diameter of coconut fiber is measured. Based on the measurement results, it was concluded that the diameter of coconut fiber was degraded in diameter after soaking in alkaline solution, potassium permanganate, and hydrogen peroxide. The highest percentage reduction in diameter was 58.08% in the third treatment.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Wahid Nuruddin Achmad Noerkhaerin Putra Adrian Maidangkay Agustinus Deka Betan Ahmad Hamim Su’udy Alfeus Sunarso Amir, Ahmad Ihwan Anindito Purnowidodo Arif Setia Budi, Sofyan Arif Setia Budi, Sofyan Arthur Yanny Leiwakabessy Asroful Anam Azamataufiq Budiprasojo Bachri, Gufron Saiful Denny Widhiyanuriyawan Dewa Ngakan Ketut Putra Negara Djoko Sutikno Eko Siswanto Febi Rahmadianto Fery Putra PT Frederik Demmatacco Hadi Saroso Halim Zaini, Halim Hermawan, Yuni Heru Suryanto I Ketut Suarsana I.K.G. Wirawan I.N.G. Wardana Indrayadi, Bambang ING Wardana Josef Matheus Kris Witono Misbachudin, Muh Misbachudin Moch. Agus Choiron Muhammad Arsyad Murti Astuti Murty Astuti Nanse Henny Pattiasina Nanulaitta, Nevada Mario Nasir Widha Setyanto Nevada M.J. Nanulaitta Noorsakti Wahyudi Nugraha, Arif Yunizar Nurkholis Hamidi Panca Mudjirahardjo Ponco Muchamad Nur Cahyo Pratikto Pratikto Purnomo B. Santoso Purnomo Budi Santoso Putu Wijaya Sunu Raden Arief Setyawan Reinaldo Jr. F. B.B Richard A.de FRETES Richard Pietersz Ridho Dwi Syahrial Rio L Lukodono Rio Prasetyo Lukodono Romels C. A. Lumintang Setiadhi, David Slamet Wahyudi Soeprapto, Wahyono Soeprapto, Wahyono Sonief, Achmad As´ad Sudjito Soeparman Sugiarto S Sugiono Sugiono Sunu, P.W. Surachman Surachman Surya Irawan, Yudy Surya Irawan, Yudy Sutrisno, Sutrisno Syahrizal Syahrizal Teguh Dwi Widodo Wahyono Suprapto Widhiyanuriyawa, Denny Widya Wijayanti Wiluddyana Ghoisi Nafida Yudy Surya Irawan Yuni Hermawan Yurianto Yurianto