INVESTIGASI PENGARUH KETEBALAN SUDU CEMBUNG TRAILING EDGE TURBIN CROSSFLOW SKALA PIKO MENGGUNAKAN METODE CFD

PUTRI, ZAHWA ALYA RYANANDA and Adanta, Dendy (2025) INVESTIGASI PENGARUH KETEBALAN SUDU CEMBUNG TRAILING EDGE TURBIN CROSSFLOW SKALA PIKO MENGGUNAKAN METODE CFD. Undergraduate thesis, Sriwijaya University.

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Abstract

The biggest challenge currently faced by all countries, including Indonesia is the energy crisis. In 2022 Indonesia has a national electrification ratio of 99.63%, many remote areas still lack electricity. The right alternative to increasing the electrification ratio of remote areas is to use off grid power plants, namely pico-scale water turbines (<5 kW). especially crossflow turbines because they have relatively low production and operational costs, simple construction, and can operate at low head conditions. Although it has been discovered and developed for a long time, research on upper blade configuration has not received much attention. From previous literature, the convex trailing edge is one of the most promising designs for improving the efficiency of crossflow turbines. This study aims to investigate the effect of convex blade thickness at the trailing edge of a pico-scale crossflow turbine using computational fluid dynamics (CFD) methods. The turbine design was carried out using analytical methods, while CFD simulations were used to study fluid flow phenomena, and the results were verified with previous studies. The results of the study show that the maximum efficiency is achieved at a T/L ratio of 1.0 at 700 rpm, with an efficiency of 75.84% and mechanical power of 293.72 W, while the lowest efficiency is achieved at a T/L ratio of 0.5, with an efficiency of 46.29% and mechanical power of 191.87 W at 700 rpm.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Turbin Crossflow Trailing Edge, Sudu Turbin, CFD
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ266-267.5 Turbines. Turbomachines (General) T Technology > TJ Mechanical engineering and machinery > TJ807-830 Renewable energy sources > TJ808.2.S6625 Renewable energy sources--Electric power production
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Zahwa Alya Ryananda Putri
Date Deposited:	27 Aug 2025 02:23
Last Modified:	27 Aug 2025 02:23
URI:	http://repository.unsri.ac.id/id/eprint/183256

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