PENGARUH KONSENTRASI SILIKON OKSIDA (SiO2) DAN ALUMINA (Al2O3) TERHADAP LAJU ABRASI DAN EROSI PADA SUDU GERAK TURBIN AIR
Abstract
This research is aims to determine the influence of the concentration of Silicon oxide (SiO2) and alumina (Al2O3)contained in the sediments towards the rate of abrasion and erosion on the motion of water turbine methods used in thisstudy by testing in the lab using testing digital microscopy and flow profile to take images of the damage that occurs instainless steel material by varying Silicon oxide (SiO2) and alumina (Al2O3) concentration, namely 90%: 10%, 80%:20%, and 70%: 30%. Based on the testing performed against the weight of the stainless steel material which is donebefore the test and after testing the concentration of SiO2 70% and Al2O3 30% it has a very significant influence with therate of abrasion 0.022 gr/h this indicates that there is a mass of lost resulting of the abrasion that occurs in the material.The damage that occurs in stainless material steel in the form of abrasion and erosion due to the collision of the waterthat has been mixed with the concentration of Silicon oxide (SiO2) and alumina (Al2O3).References
Davis, Karen. 2010. Meterial Review: Alumina (Al2O3). Chemical Engineering at the School Of Doctroral Studies of
The EU, Belgium.
Direktorat Jendral Ketenagalistrikan Kementerian Energi dan Sumber Daya Mineral. 2014. Statistik Ketenagalistrikan.
Farrel, A.J., B. Norton, D.M. kennedy.2003.Corrosive effects of salt hydrate Phase Change Materials used with
aluminium and copper, 12th international scientific conference.
Firman. 2016. Sediment Characteristic on Hydropower Plant Bakaru, South Sulawesi. International Conference on
Engineering Science and Nanotechnology 2016. 3-5 Agustus 2016 Hotel The Alana di Solo.
Gogstad, P.J. 2012. Hydraulic design of Francis turbine exposed to sediment erosion, Department of Energy and
Process Engineering, Norwegian University of Science and Technology.
Gregore, B., A. Predin, D. Fabijan, R. Klasine. 2011. Experimental Analysis of The Impact of Particles on the
Cavitation Flow. Journal of Mechanical Engineering 58 (2012) 4, 238-244.
Karelin, V.Y. and C.G. Duan. 2002. Design of hydraulic machinery working in sand laden water. Vol. 2 Imperial
College Press, London, 1 edition, 2002.
Neopane Prasad, H. 2010. Sediment Erosion In Hydro Turbines. Thesis Submitted, Faculty of Engineering Science and
Technology. Norwegian University of Science and Technology (NTHU). Norwegia.
Prayogo, T., B. Budiman. 2009. Survei Potensi Pasir Kuarsa di Daerah Ketapang Propinsi Kalimantan Barat. Jurnal
Sains dan Teknologi Indonesia. Vol. II (126-132).
Pratiwi, A.S., F. Mansur, F. Alihar 2016. Analisa Kerusakan Sudu Gerak Trubin Francis Dengan Menggunakan
X-Ray Diffraction (XRD) Dan Scanning Electron Microscopy (SEM) Laporan Program Kreativitas
Mahasisa Jurusan Teknik Mesin Politeknik Negeri Ujung Pandang.
PT PLN. 2010. Ikhtisar Penjualan Tenaga Listrik - PT PLN (Persero) Tahun 1995 - 2009. Jakarta
Suwanda. 2011. Desain Eksperimen Untuk Penelitian Ilmiah. Alfabeta.Bandung.
Thapa Bhola and Brekke Hermod, 2004. Effect of sand particle size and surface curvature in erosion of hydraulic
turbine. IAHR symposium on hydraulic machinery and system, stockhlom.
Thapa Bhola, 2004. Sand erosion in hydrailic machinery, PhD thesis, Norwegian University of Science and Technology,
Faculty of Engineering Science and Technologi, Department of Energy and Process Engineering, 2004: 105.
