Together CFD and Experimental Tests Help Improve Fan Models for Electronics

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Together CFD and Experimental Tests Help Improve Fan Models for Electronics

Posted By:	sakurai@cradle-cfd.com
Date:	Sat, 26 Sep 2015, 10:46 p.m.

Cooling fan air flow inside electronic devices is critical for component cooling. Yet traditional representation of the fan by the Pressure-Flow (PQ) curve and swirl ratio make for a simple fan model but over-simplifies the actual physics.

In this narrated interview, Professor Hajime Nakamura, from the National Defense Academy of Japan, discusses how the combination of CFD simulations using Cradle SC/Tetra software and experimental tests were used to explore and improve two aspects of cooling fan model characterization:

Using a rotational force coefficient to express the angular velocity output from the fan, and
Assessing the impact of highly packed components near the fan.

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