The Effects of Water Debit and Number of Blades on the Power Generated of Prototype Turbines Propeller as Renewable Electricity

Abstract

<p class="Abstract">This research is a prototype design of a Pico hydropower plant. The Pico hydro laboratory scale is planned to be installed at the water outlet at the steam gas power plant (PLTGU) in Cilegon, whose water discharge has not been utilized. Pico hydro will produce green energy, which in turn can partially replace fossil energy needs. The purpose of this study was to determine the effect of water discharge and the number of blades on the power generated by Pico hydro. The method used in this research is an experimental method carried out in the laboratory, by designing and making Pico hydro prototypes, with several variations in the number of blades. The results of the manual calculation analysis show that the mass flow rate, circumferential speed, and the highest rotational speed are found in blade 6. Furthermore, the design process uses the CFD method, which produces the best energy when using 6 or 7 blades. The stronger the water discharge, the higher the Rpm, and the stronger the electric current and the resulting voltage. The water discharge of 0.04 m<sup>3</sup>/s produces 215 Rpm, a current of 0.30 ampere, and a voltage of 2.00 volts. While the airflow rate of 0.08 m<sup>3</sup>/s produces 695 Rpm, a current of 0.70 ampere,s and a voltage of 4.30 volts. Statistical analysis also shows that the higher the Rpm value of the 6 blade turbine, the higher the power and current it produces.</p>

Pengaruh Geometri Sudu Inlet Bagian Tip Dan Hub Turbin Propeller Pada Unjuk Kerja Aliran Horisontal

“…Energi fosil menjadi salah satu penyebab polusi lingkungan yang membuat sektor energi beralih menggunakan energi terbarukan [1][2][3]. Bentuk energi terbarukan yang banyak dikembangkan yaitu biomass, panas bumi, panas matahari, gelombang air laut, angin, dan air [4].Tenaga air (hidropower) sebagai renewable energy memiliki keuntungan efisiensi kerja lebih baik dibanding sumber energi terbarukan lainnya, dimana hidropower memiliki efisiensi antara 60% hingga 90% [5].…”

Implementation of Arma Model for Bengawan Solo River Water Level at Jurug Monitoring Post

“…Water debit is water flow rate that passes a cross-section in the river per unit time. In technical reports, its flow rate usually appears in hydrograph (Biantoro et al, 2021). Hydrograph shows behaviour of water flow rate as a response of the changes of biogeophysical characteristic which happens because of the river basin management activity and seasonal or annual fluctuation, like local climate changes (Park et al, 2023).…”