Abstract
In this work, mathematical modelling, construction and testing of a low cost turbine-less alternative for utilization of wind energy is demonstrated. The prototype consists of a taut Mylar strip strung between two rigid supports of a frame. The strip is subjected to wind induced vibrations when placed in wind flow. The vibrational motion of the strip is then utilized in generating electricity. A fourth order partial differential equation of motion describing the transverse vibration is developed. The exact, analytical solution for the transverse vibration of the strip is subsequently obtained. The expression for EMF generated is also derived. The prototype was tested and an output voltage of 0.72V and 62.99mW power was obtained at a wind speed of 7m/s. A comparative study between the experimental and theoretical data showed a good agreement between the two.
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