Posts tagged Fans

Small Fans for Cooling Small Electronic Devices

May 1st, 2009

Masaharu Miyahara

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…read more

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Advanced Aerodynamics for Electronics Cooling Fans

February 1st, 2009

Patrick B. Lawless

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…read more

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Using an Equivalent Heat Transfer Coefficient to Model Fins on a Fin

May 1st, 2005

Robert E. Simons

Many readers of ElectronicsCooling are probably familiar with the use of fin efficiency formulas to estimate the thermal resistance of the commonly used parallel plate fin heat sink. Given the heat transfer coefficient, h, acting…read more

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Future trends in heat sink design

February 1st, 2001

Christopher A. Soule

In today’s electronics equipment, total system dissipated power levels are increasing with every new design. Increases in power levels combined with the market expectation of reduced package sizes lead to heat problems that, if uncontrolled,…read more

Posted in Blowers / Fans / Filters, Ceramics, Coolers, Design, Heat Pipes, Heat Sinks, Liquid Cooling, Materials, Compounds, Adhesives, Substrates, Test & Measurement | 1 Comment »

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The treacherous streams

February 1st, 2001

Vitaly Fishman

During the development of a telecommunications product, an unpredictable phenomenon of air streams within the maze of cards and module was encountered. It could only be compared to suddenly confronting powerful inner streams in a…read more

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Cooling electronics at high altitudes made easy

September 1st, 1998

James Edwin Marthinuss Jr., and George Thomas Hall

Introduction High altitude air cooling has always been somewhat of a mystery to the uninformed. The first reaction to the situation is that there is just not enough air at altitudes greater than six kilometers…read more

Posted in Aerospace, Blowers / Fans / Filters, Communications, Computer, Defense, Design, Test & Measurement | No Comments »

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Fan selection – quick techniques to compare various tube-axial fan designs

January 1st, 1998

Electronics Cooling Editors

The worldwide market for tube-axial fans is very large and, as a consequence, the number of tube-axial suppliers is significant. This article will focus on the techniques that can be used to quickly compare various…read more

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All you need to know about fans

May 1st, 1996

Mike Turner

A Basic Fan/Blower Description Fans can be thought of as low pressure air pumps that utilize power from amotor to output a volumetric flow of air at a given pressure. A propellerconverts torque from the…read more

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How to evaluate fan life

May 1st, 1996

Sung Kim, and Alan Claassen

Convection air cooling is still the most commonly used method of coolingmicroelectronics. In order to deliver air cooled computer equipment with higherreliability, we need to focus on the life expectancy of the air moving devices(AMDs).…read more

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