Studi Numerik Pengaruh Jumlah Sudu Dan Sudut Kemiringan Guide Vane Terhadap Performa Gravitational Water Vortex Power Plant (Gwvpp)

Rivana, Kintania Sisca (2022) Studi Numerik Pengaruh Jumlah Sudu Dan Sudut Kemiringan Guide Vane Terhadap Performa Gravitational Water Vortex Power Plant (Gwvpp). Other thesis, Institut Teknologi Sepuluh Nopember Surabaya.

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Abstract

Gravitational Water Vortex Power Plant (GWVPP) merupakan salah satu pembangkit listrik tenaga mikrohidro karena beroperasi pada ketinggian hidrolik rendah (low head turbine) antara 0,7 m – 2 m dan laju aliran berkisar 0,1–2 m3/s. Penelitian ini melakukan modifikasi penambahan sudu guide vane (GV) dan sudut kemiringan sudu guide vane (GV). Ada empat variasi penambahan sudu GV dan 3 variasi sudut kemiringan GV yaitu tanpa sudu GV, 6 sudu GV, 7 sudu GV, dan 9 sudu GV dan sudut kemiringan GV 15⁰, 30⁰ dan 45⁰. Berdasarkan hasil simulasi didapatkan Cp tertinggi dihasilkan oleh 6 sudu GV dan sudut kemiringan 45⁰sebesar 58,34 %. Peningkatan jumlah sudu memiliki pengaruh terhadap peningkatan luas sudu, karena kedua peningkatan ini menyebabkan semakin banyaknya aliran air yang mengenai sudu runner sehinggadapat meningkatkan performa. Sedangkan pengaruh dari sudut kemiringan guide vane yaitu semakin besar sudut kemiringan guide vanes maka aliran akan mengarahkan pada runner dengan kecepatan yang meningkat sehingga meminimalkan hilangnya energi kinetik air dengan mengubahnya menjadi energi potensial atau tekanan
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Gravitational Water Vortex Power Plant (GWVPP) is a micro-hydro power plant that can operates at low head between 0.7 m – 2 m and a flow rate of 0.1–2 m3/s. . In this study, an evaluation of the performance turbine with guide vanes (GV) with various inclined angle of the GV were 15⁰, 30⁰ and 45⁰ and number of GV blades were without GV, 6, 7, and 9 respectively. Based on simulation, the best GV configuration is a combination of six GV blades with inclined angle 45°. These configurations resulted an efficiency improvement of 58.34%. Increasing in GV number generates in increasing the solidity, thus resulting in a change of the flow resistance and flow guidance performance. Furthermore, increasing the inclined angle of the guide vane will leads water more contact with the runner blade. Consequently, it can generate kinetic energy of water by converting it into potential energy or pressure

Item Type:	Thesis (Other)
Additional Information:	RSF 621.312 134 Riv s-1
Uncontrolled Keywords:	Gravitational Water Vortex Power Plant, turbin propeler, guide vane, sudut kemiringan, CFD
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1519.S68 Hydroelectric power plants
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Physics Engineering > 30201-(S1) Undergraduate Thesis
Depositing User:	EKO BUDI RAHARJO
Date Deposited:	06 Dec 2022 01:47
Last Modified:	06 Dec 2022 08:39
URI:	http://repository.its.ac.id/id/eprint/95150

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