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Advanced Thermal Management Technology Applied for Effective Cooling of Small Electronics

초록/요약

In recent years, advanced technology of electronics has a rapid increase in its performances such as density integration, clock rates, and miniaturization of compact-portable electronic devices. These advances results in importance of management in small and portable electronics. Especially, high performance of electronics in small-portable scale needs the proper thermal management techniques. There had been various thermal management system reported for past decades, but still needs more improvement for its right purposes. In this dissertation, we suggest the one of new-generation cooling technology which is ionic wind generation. In Chapter 1, we introduced the needs of advanced cooling technique for small electronics. The most critical factor of electronics broken is temperature management. Also we introduced the one of new cooling technology, Ionic wind generation, and scope of dissertation. We estimate the ionic wind generation system based on its geometrical parameters such as diameters, length, distances between electrodes, materials and so on. Averaged wind velocity was measured based on various parameters in Chapter 2 In Chapter 3, we develop the parallel stacked ionic wind generator for enhancing volumetric wind flow rate. For the cooling performances, volumetric wind flow rate is the most important factor than other features. We evaluated the parallel stacked ionic wind generator and discussed about the degradation performances in this chapter. In Chapter 4, we investigated the advantages of ionic wind generating system compared with mechanical fan cooling. Some advantages, silent operation, easy intergration, no moving parts, were introduced and the disadvantages,ozone and rust formation, will be treated seriously in further study. In Chapter 5, we performed computational analysis for thermal management. For the engineering design, thermal management simulation for electronics is needed. We analyzed the cooling efficiency for high performance motor based on different cooling methodology. In last chapter, we summarize the dissertations and suggest the future study for advanced thermal management system of small electronics. Right after the last chapter, all of references, the patents, and the list of publications are attached.

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