PENGARUH JUMLAH SUDU TERHADAP KINERJA TURBIN ANGIN DARRIEUS

EDWARD, IGNATIUS YAN and Kaprawi, Kaprawi (2016) PENGARUH JUMLAH SUDU TERHADAP KINERJA TURBIN ANGIN DARRIEUS. Undergraduate thesis, Sriwijaya university.

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Abstract

Indonesia is a country with good wind potential and onc of the country located at the equator. Basically winds occur due to the difference in temperature between the hot air and cold air. At the equator, the air gets hot it expands and becomes lighter, rises to the top and moving into cooler areas. One of the utilization of wind energy is the use of wind turbines which are widely used for agricultural needs, such as to drive the pump, for irrigation purposes, and the need for energy that is as wind power. To convert wind energy into electrical energy required wind turbines, one type of wind turbine is a vertical axis wind turbine. This type turbine utilizes lift (lift force) on berpenampang airfoil blades to spin. Rotor rotation speed is determined by the greater availability of the wind and the magnitude of the thrust of the blade, thus setting the mounting angle of the blade becomes interesting to study in order to obtain high-efficiency turbine design. Darrieus rotor is one TASV (Vertical Axis Wind Turbine) with the best efficiency and is able to produce enough torque on the lap and high wind speeds. Darrieus wind turbine blade by applying the basic aerofoil shape NACA (National Advisory Committee for Aeronautics). The working principle of Darrieus wind turbines that hamess-style lift. In this study, using NACA 0018 profile. The purpose of this study was to determine the effect on the amount of power generated blade wind turbines as well as to determine the performance of a wind turbine with a Darrieus-type loading variations. This research was conducted by the experimental method, which is a test to find the data causality in a process through experimentation so as to determine the effect on the performance of the blade number in Darrieus wind turbine as a parameter to increase the generated torque and rotation of the rotor. This research is about the effect of the number of blades of the Dameus wind turbine performance. Turbine used has a specification with a radiant blade NACA 0018 profile, diameter d = 502 mm and length L = 400 mm which have B = 3 and 6 blades. Measurements were made using a laboratory wind tunnel at the Sriwijaya University mechanical engineering department with a flow rate of 12.52 m / s. To see the effect of the number of blades, do variations of mass loading at a speed V = 12.52 m / s 3 blade turbine with turbine power most large reach is 2.393 W, and generates the largest power coefficient Cp = 0.101. And at 6 blade biggest power generated = 5.347 W. The coefficients are generated in the turbine blade 6 = 0.026. From the test results can XI be concluded that 6 Darrieus turbine blades get larger power compared with 3 blades. In the no-load condition 3 Darrieus rotor blade has a higher rotational speed than the rotor blade 6 at the same wind speed. Maximum power generated by the turbine blade Darrieus 6 is equal to 5.3472 W, is greater than the maximum power generated 3 Darrieus turbine blade that is equal to 2.3934 W. coefficient maximum power generated by the turbine blade Darrieus 6 is equal to 0.0226 greater than the coefficient of maximum power generated by the turbine Darrieus 3 blades is equal to 0.0101. Maximum torque generated by the wind turbine blade Darrieus 6 is equal to 0.3178 Nm, is greater than the maximum torque generated by the wind turbine Darrieus 3 blades is equal to 0.1177 Nm. Keywords : Wind Turbin, Darrieus, NACA, Blade, Power,

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Turbin Angin, Darrieus, NACA, Sudu, Daya, NACA
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ266-267.5 Turbines. Turbomachines (General)
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Ichlasyah Aisyah
Date Deposited:	27 Aug 2025 02:52
Last Modified:	27 Aug 2025 02:52
URI:	http://repository.unsri.ac.id/id/eprint/183352

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