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Method to Efficiently Determine a Server's Air Velocity and Cooling Capability Using Piezoelectric Airspeed Sensors

IP.com Disclosure Number: IPCOM000239580D
Publication Date: 2014-Nov-17
Document File: 2 page(s) / 31K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method to efficiently determine a server's air velocity and cooling capability using piezoelectric airspeed sensors.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 89% of the total text.

Page 01 of 2

Method to Efficiently Determine a Server '

Piezoelectric Airspeed Sensors

The problem that is solved with this invention is quickly determining a server's cooling ability, and the airspeed and velocity in targeted areas in the server. Typical solutions focus on using thermocouples and digital temperature sensors to measure components' temperature. This process takes a long time because you need each test to reach an equilibrium temperature.

    Through computer modeling, the amount of airflow needed to adequately cool a specific component can be determined. If airspeed/velocity sensors are then placed around components, one can determine if the airspeed is sufficient in the current server configuration to cool that component. This method is advantageous because it takes much less time for the airflow to reach steady state conditions than the temperature of the components.

    The first step in the method is to run thermal modeling software and determine areas and components that require cooling. From this modeling, the airflow needed to cool the component is subsequently determined. Piezoelectric sensors are placed in the air path of this component. The system is powered on, the desired fan conditions set, and the system permitted to reach equilibrium. The airspeed of the sensors is then recorded. If the value(s) are sufficient to cool the component, the testing is completed. If it is not, the fan conditions need to be changed or modifications need to be added to the sy...