Studi Eksperimental Pengaruh Posisi Kedalaman dan Diameter Runner Tipe Propeller Pada Gravitational Water Vortex Power Plant(Gwvpp)

Firdausi, Achmad Rijal (2022) Studi Eksperimental Pengaruh Posisi Kedalaman dan Diameter Runner Tipe Propeller Pada Gravitational Water Vortex Power Plant(Gwvpp). Other thesis, Institut Teknologi Sepuluh Nopember.

Text 02311840000107-Undergraduate_Thesis.pdf - Accepted Version Restricted to Repository staff only until 1 March 2025. Download (3MB) | Request a copy

Abstract

GWVPP merupakan sebuah pembangkit tenaga mikrohidro yang memanfaatkan aliran vortex dan mampu menggenerasi 5-50 kilo watt dengan head yang cukup rendah, yaitu 0,7-2 meter. Aliran vortex pada dasarnya merupakan sebuah aliran dengan garis aliran berupa lingkaran-lingkaran sepusat (kosentris). Performansi terbaik pada GWVPP dapat diperoleh dengan memperhatikan beberapa parameter utama pada runner, yaitu posisi kedalaman runner dan rasio diameter runner terhadap diameter basin (blockage ratio). Oleh karena itu, penelitian ini dilakukan untuk mempelajari pengaruh posisi kedalaman runner dan rasio diameter runner terhadap diameter basin secara eksperimental pada GWVPP skala laboratorium. Dari penelitian yang dilakukan, diperoleh bahwa bertambahnya posisi kedalaman runner berdampak terhadap peningkatan nilai torsi dan kecepatan angular pada runner. Peningkatan terhadap nilai torsi dan kecepatan angular juga terjadi pada setiap penambahan rasio diameter runner terkecuali pada rasio diameter runner yang hampir tertutup sempurna, yaitu blockage ratio 0,9. Performansi terbaik GWVPP diperoleh pada posisi kedalaman runner 60%-70% dari dasar kanal dan pada blockage ratio 0,7-0,8.
==================================================================================================================================
GWVPP is a micro hydro power plant that utilizes vortex flow and is able to generate 5-50 kilo watts with a fairly low head, which is 0,7-2 meters. Vortex flow is basically a flow in which the streamlines are concentric circles. The best performance in GWVPP can be obtained by observing several main parameters on the runner, specifically the position of the runner (depth) and the ratio of runner diameter to basin diameter (blockage ratio). Therefore, this research was conducted to study the effect of runner depth position and the ratio of runner diameter to basin diameter experimentally on a laboratory scale GWVPP. From the research conducted, it is found that the increase in runner depth position has consequences for an increase in the value of torque and angular velocity on the runner. An increase in the value of torque and angular velocity also occurs with every addition of the runner diameter ratio except for the runner diameter ratio which is almost completely closed, especially at the 0,9 blockage ratio. The best performance of GWVPP is obtained at the runner depth position of 60%-70% from the bottom of channel and 0,7-0,8 blockage ratio.

Item Type:	Thesis (Other)
Additional Information:	RSF 621.312 134 Fir s-1 2022
Uncontrolled Keywords:	blockage ratio, depth posisiton, runner, vortex
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ870 Hydraulic turbines.
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Physics Engineering > 30201-(S1) Undergraduate Thesis
Depositing User:	Anis Wulandari
Date Deposited:	04 Jul 2024 03:00
Last Modified:	04 Jul 2024 03:00
URI:	http://repository.its.ac.id/id/eprint/108123

Actions (login required)

View Item