Pengaruh Penambahan Dan Variasi Jarak Penempatan Deflektor Terhadap Performa Turbin Savonius Tipe Crossflow

Adipradana, Rizandhi Aulia (2022) Pengaruh Penambahan Dan Variasi Jarak Penempatan Deflektor Terhadap Performa Turbin Savonius Tipe Crossflow. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Ketersediaan sumber energi merupakan salah satu aspek yang menentukan pergerakan aktivitas manusia di era saat ini. Hingga saat ini, umat manusia masih mengandalkan sumber energi yang berasal dari fosil, salah satu contoh dari sumber energi fosil adalah minyak bumi. Akhir-akhir ini, para ahli sedang berlomba untuk menciptakan dan mengembangkan berbagai jenis sumber energi terbarukan yang dapat dimanfaatkan. Salah satu potensi energi besar yang dapat dikembangkan di Indonesia adalah energi arus laut. Salah satu sistem yang menggunakan energi arus laut adalah turbin air. Hingga saat ini sudah banyak yang mengembangkan turbin Savonius tipe vertikal karena memiliki kelebihan yaitu dapat beroperasi dalam arus berkecepatan rendah. Namun, untuk turbin Savonius tipe cross-flow masih belum banyak dikembangkan. Penambahan deflektor aliran mempengaruhi performa turbin karena aliran air yang mengarah pada returning blade dibelokkan dan memperkuat aliran pada advancing blade. Analisis dilakukan dengan pendekatan Computational Fluid Dynamics (CFD) menggunakan software Ansys Fluent. Hasil penelitian menunjukkan peningkatan performa paling tinggi sebesar 47%, dengan konfigurasi paling baik berada pada deflektor dengan jarak 0,22 m pada TSR 0,6957 yaitu sebesar 0,41.
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The availability of energy sources is one aspect that determines the movement of human activities in the current era. Until now, mankind still relies on energy sources that come from fossils, one example of fossil energy sources is petroleum. Lately, experts are competing to create and develop various types of renewable energy sources that can be utilized. One of the great energy potentials that can be developed in Indonesia is ocean current energy. One system that uses ocean current energy is a water turbine. Until now, many have developed the vertical type Savonius turbine because it has the advantage that it can operate in low-speed currents. However, the cross-flow type Savonius turbine has not yet been developed. The addition of a flow deflector affects the performance of the turbine because the flow of water that leads to the returning blade is deflected and strengthens the flow of the advancing blade. The analysis was carried out using a Computational Fluid Dynamics (CFD) approach using Ansys Fluent software. The results showed that the highest performance increase was 47%, with the best configuration being on the deflector with a distance of 0.22 m at TSR 0.6957, which was 0.41.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Savonius, Crossflow, CFD, Deflektor, Performa, Performance
Subjects:	T Technology > TC Hydraulic engineering. Ocean engineering > TC1680 Offshore structures T Technology > TJ Mechanical engineering and machinery > TJ808 Renewable energy sources. Energy harvesting.
Divisions:	Faculty of Marine Technology (MARTECH) > Ocean Engineering > 38201-(S1) Undergraduate Thesis
Depositing User:	Rizandhi Aulia Adipradana
Date Deposited:	07 Feb 2022 02:51
Last Modified:	31 Oct 2022 01:31
URI:	http://repository.its.ac.id/id/eprint/92912

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