J0610101 携帯機器向けミニチュアファンの性能特性の評価

Abstract

This paper describes performance characteristics of miniature cooling fans and blowers. In recent years, several types of miniature devices that can generate cooling airflow into electronic equipment have been developed. These devices are enough thin and small and these are available for use in narrow flow passages in high-density packaging electronic equipment. As a consequence of the downsizing and the improvement of the design, flow passages in these devices become narrow and significant pressure drop may be caused. In this study, we are evaluating an optimum selection of these devices in order to obtain higher cooling performance in high-density packaging electronic equipment by using these devices. In this report, we compared effectiveness of three types of the miniature fans and the piezoelectric micro blower mounted in the narrow flow passage from the viewpoint of operating flow rate and cooling performance by using 3-dimentional CFD analysis.