Thermal Management Best Practices
By: Middle Atlantic Products
How to Calculate Ventilation Required to Provide an Interior Rack Temperature of 85°F
This nomograph will show the minimum ventilation (Active or Passive) required, to provide an interior rack temperature of 85°F.
To calculate total waste heat (column B):
To obtain minimum ventilation requirements:
In addition to the proper configuration of the rack system, room design is critically important to the success of rack and enclosure thermal management. It is essential that not only does the equipment room have the ability to remove the heat generated by the racks, but also that racks are placed strategically within the room to ensure no-recirculation of air occurs.
Consideration to a rack’s internal airflow is equally important to ensure effective thermal management. Simulations and real-world testing show that moving air through a cabinet from bottom to top results in the lowest internal cabinet temperatures for equipment with front intakes.
Best Enclosure Airflow Method
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