BY: Lauren Boston, Andrew Yu, Timothy Chainer, Edward Yarmchuk, and Michael Gayness To improve cooling of electronic components, a heat spreader is typically attached to the component to spread the heat laterally and facilitate the heat removal by a heat sink. To ensure good thermal conduction between the heat spreader and heatsink, a thermal interface material is applied … [Read more...]
Air Ionization Techniques for the Cooling of Electronic Devices: Analysis of the Different Effects of Design Features on Cooling Performance
Rotary fans have been used to cool electronic devices using forced convection applications to achieve the required heat transfer dissipation. In recent years, there has been an increasing trend to miniaturize the size and maximize the efficiency of the electronic devices which, in turn, increases heat generation. The use of rotary fan cooling conflicts with these new trends due … [Read more...]
Special Challenges In 3D Simulations of Graphite Heat Spreaders
INTRODUCTION Graphite is a naturally occurring form of pure carbon in which the atomic bonds interlock in the layers of a two-dimensional molecular sheet. In nature, dense, rigid graphite ore is mined, purified, and processed into numerous applications, including the inexpensive flexible natural graphite sheets used in electronics. The ore is mechanically reduced and then … [Read more...]
Managing Cooling Fan Noise In Product Design
ABSTRACT Cooling fan noise is a system property determined as much by thermal and mechanical design and fan selection as by a fan’s acoustical design. While even the quietest fan can be used in a noisy manner, a significant fraction of unpleasant surprises can be avoided. NOMENCLATURE C Numerical constant D … [Read more...]
Some New Cooling Ideas are Needed Here
In the 1920s, the field of physics was in disarray. The reason was that many careful observations and experimental data could only be explained by conflicting theories; for example, some proved that light was a wave, while others provided it had a particle-like nature. Other experiments, such as those in black-body radiation or the photoelectric effect, could not be explained … [Read more...]
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