Abstract
Now a day’s electronics is becoming more and more compact. Electronic circuits and devices need cooling means in order to dissipate heat. Heat sinks are mostly used these days. Piezoelectric fans can also be used for this purpose. Piezoelectric fans are cantilevered uni-morph or bi-morph, containing substrate sandwiched between two layers of piezoelectric material. As sinusoidal voltage is applied to piezoelectric material, cantilever starts to vibrate and generates air flow. The advantage of using piezofans is that they consume less power and are low noise devices. The deflection and frequency play a major role in flow generation. This paper predicts the behavior of displacement and frequency on variation of material properties. Classical Monte Carlo simulation is used for prediction of uncertainty in performance parameter. It is found that uncertainty in material properties causes large deviations in performance parameters, from the predicted ones.
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