Small Fans for Cooling Small Electronic Devices Masaharu Miyahara, Sunonwealth Electronic Machine Industry Co., Ltd. The growing portable device market boosts the development of small electric devices, such as Ultra Mobile PC, Pico projector, Smart Phone, etc. One laptop cooling solution is the fan-less cooling technology that transports the CPU heat by using a heat pipe. … [Read more...]
Advanced Aerodynamics for Electronics Cooling Fans
Introduction The performance of electronics cooling fans has been steadily increasing as flow requirements chase higher thermal loading. These advances have been primarily achieved through mechanical and architecture changes. However, the aerodynamic sophistication of these fans has progressed to a lesser degree, and is far removed from turbomachines used in higher power … [Read more...]
Synthetic jets for forced air cooling of electronics
Introduction As increasing functionality is packaged into ever-shrinking electronics, cooling requirements rise exponentially. While there have been continued advances in high heat flux technologies [1], commercial, consumer-oriented systems continue to focus on aircooling for reasons of reliability, acoustics, cost and portability [2]. In order to support the increasing power … [Read more...]
Piezo actuators for electronics cooling
Introduction Today, there is a specific demand by the electronics consumer market: more devices using low power processors with multiple simultaneous CPU functions. Due to the significant demand in computing needs, the International Technology Roadmap for Semiconductors (ITRS) 2005 predicts an increase in the overall power consumption for some platforms [1]. The cooling issues … [Read more...]
Using a simple air recirculation model to explore computer rack cooling
Figure 1. Schematic diagram of simple computer rack air recirculation model. Figure 2. Schematic diagram of computer rack air recirculation model with heat exchanger in rear of computer rack. In an article in the November 2006 issue of ElectronicsCooling it was noted that “advances in computer clusters have resulted in the introduction of higher density server … [Read more...]
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