Non-uniform airflow distribution through perforated tiles can result in inefficient cooling of servers mounted in racks in data centers. The application of strategies to maximize airflow uniformity is therefore very important because of its direct impact on power density capacity. This presentation examines how computer room air handler (CRAH) position and number of operating units as well as perforated tile types affect the airflow uniformity in selected data center applications. Also, the use of mixed tile types to strategically control airflow to accommodate greater rack heat loads is evaluated.
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