Sediment Characteristic on Hydropower Plant Bakaru, South Sulawesi

Firman, Firman and A. M, Shiddiq Yunus and Muhammad, Yusuf Yunus (2017) Sediment Characteristic on Hydropower Plant Bakaru, South Sulawesi. In: International conference on engineering, science and nanotechnology.

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This research is aimed to determine the distributed sediment composition and its size particle impact on flow profile in the pipe. The sediment sample is collected from Hydropower Plant’s dam located at Bakaru Sulawesi Selatan. The sample is dried in the oven then steered up using a screen with 0.25; 0.5; and 0.75 mm. Sediment identification is measured using Fourier Transform Infrared Spectrophotometer (FTIR) and X-Ray Fluorescence Spectrophotometer (XRF). The assessment of flow type in the pipe with five flow rate variation for every single sediment diameter is assessed in Fluid Measurement Laboratory under Mechanical Engineering Department, State Polytechnic of Ujung Pandang. As a result of steered up processed, it is obtained that the sediment distribution with diameter of ø = 0.25 mm is 55.80%; for ø = 0.5 mm is 7.91%; and ø = 0.75 mm is 36.29%. From FTIR test, it is obtained the spectra with wave number of 466.77; 536.14; 644.22; 694.37; 788.89; 912.33; 1006.77; 1031.92; and 105.21 cm-1. From XRF assessment, it can be obtained that composition of SiO2 is 53.64%, Al2O3 is 22.93%, Fe2O3 is 9.24%, MgO is 4.0%, K2O is 3.84%, Na2O is 2.4%, CaO is 1.71%, and TiO2 is 1.06%. From the flow profile assessment, it obtains Reynolds number is lesser than 500 for these three particle diameters variation. It can be concluded that sediment characteristic consists of fine sand about 55.80% and coarse sand about 44.20%, where SiO2 dominates it by about 53.64% where flow in the pipe shown the laminar type.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Department of Mechanical Engineering > Teknik Konversi Energi
Depositing User: Muh. Yusuf Yunus
Date Deposited: 18 Dec 2017 05:20
Last Modified: 06 Aug 2018 07:32

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