Size does matter in cooling systems

Datacenters which are designed before 2001 has a huge cooling budget. Main reason for such a payment is design of the racks, cooling way and old energy killer systems.
When you design the layout of your cabinets, you should take care of which way your cabinets are facing and where they hot air exhausts.
Generally all rows of cabinets looking one way has the problem of taking hot air inside. This happens because first rows exhausted hot air gets into second rows fresh air intake. For example, when you have ten rows of cabinets there is a remarkable change in the tempreature of last rows.
We will discuss these details in detail in the next posts.