CD Skripsi
Kaji Eksperimental Pengaruh Luas Penampang Sisi Masuk Sudu Impeler Terhadap Kinerja Pompa Sebagai Turbin Untuk Pembangkit Listrik Tenaga Air
Pump as Turbine (PAT) is a term that refers to a pump that can function as a turbine. The pump converts fluid flow into mechanical energy when operating as a turbine. This allows the use of the same device to deliver fluid to a place (as a pump) and generate energy if the direction of fluid flow is reversed (as a turbine) with the type of pump used being a centrifugal pump. Problems regarding electrical energy in isolated areas can be solved by utilizing pumps as turbines where inland areas there are rivers or waterfalls and irrigation channels, but with relatively small and unstable discharge depending on the season. However, it is difficult to conduct research in the field due to unreachable access using vehicles, by conducting surveys and taking important data in the field, then making similar tools in the laboratory to conduct experiments and analysis and methods of selecting materials and processes for pumps as turbines, which can later be developed again. There have been many studies conducted to improve efficiency and as a reference reference in the use for hydroelectric power plants as a utilization of renewable energy. By making changes to the type of impeller, namely; impellers with a large cross-sectional area of the blade entry side, and impellers with a small cross-sectional area of the blade entry side, to determine the efficiency of each impeller. The impeller with a small cross-sectional area of the inlet side with a discharge of 63.369 (m³/h), and the impeller with a large cross-sectional area of the blade inlet side with a discharge of 63.619 (m³/h). The efficiency of the impeller with small blade inlet cross-sectional area is 61%, the impeller with large blade inlet cross-sectional area is 58%.
Keywords: PAT, efficiency, pump, turbine, impeller, blade.
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