Development Of In-Stream Cross Flow Micro Hydro Turbine

Siti Mas Arena, binti Liakbar (2013) Development Of In-Stream Cross Flow Micro Hydro Turbine. Masters thesis, University Malaysia Sarawak, UNIMAS.

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Abstract

The advancement of present world is largely depending on fossil fuel which is a proven cause of global warming. This research has been undertaken to develop an in-stream low velocity water turbine by extracting green energy in order to reduce burning of fossil fuel and to uphold the concept of sustainable environment. This research aims to develop a laboratory scale (LST) and prototype cross flow micro hydro turbine (CFMHT) by extracting kinetic energy from in-stream water. Ducting system and flywheel concept have been incorporated into structure of CFMHT for increasing energy extraction and to maintain uniform speed in turbine operations. The results reported in this thesis have shown that at duct angle 45o both in inlet-outlet, LST has extracted 2.3 Watt at water velocity 0.5 m/s which contributed to generate turbine speed 70 RPM. On the other hand, prototype turbine test at duct angle 45o both in inlet-outlet have shown that at water velocity 0.3 m/s, energy extraction was 5.42 Watt which contributed to turbine speed 18 RPM. Development of micro hydro turbine has huge used in off grid areas for providing clean energy. This energy will contribute to grow small scale agriculture projects and SME which will create employment opportunities. This study suggests for further study by improving its energy extraction efficiency and developing a feasible installation system in in-stream water for continuous operations.

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