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Virtium Technology, Inc.

Air Flow Cooling

This page shows how to determine the airflow requirement for the heat dissipation of the memory module.


The required airflow will be a function of the thermal resistance of the surface of the memory module and the air pressure drop. The thermal resistance is a variable that decrease as the airflow velocity increase, and the air pressure drop increases  as the airflow velocity increases, so these are often depicted by graph charts for a given altitude. Since air is compressible, operation at higher altitudes will require derating of the values determined and measured at sea level.


Factors Affecting Airflow Calculations


Airflow Calculation


Fan Capacity


Acoustical Noise

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