Cable Cutouts in Data Centers Can Lead to Loss In Cooling Capacity
NewsLink, The Magazine of 7X24 Exchange International, Fall 2008
Author:
Kishor Khankari
Abstract:
Unintended openings, such as cable cutouts in the raised floors of data centers, can cause leakage of the supply air from the pressurized supply plenum. Such bypass of the supply air away from the perforated tiles effectively reduces the amount of supply air and available capacity. It further encourages the undesirable airflow patterns in data center rooms, such as wrap around and recirculation between the hot and cold aisles. This can result in higher inlet air temperatures to servers and reduced energy efficiency of a data center. The situation can be avoided by plugging intended and unintended openings and holes in the data center floors. This article, with the help of computational fluid dynamics (CFD) simulations, demonstrates how the size and open area of the cable cutouts affect the cooling performance of data centers.
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About the author
Dr. Kishor Khankari
ASHRAE Fellow, ASHRAE Distinguished Lecturer
Dr Kishor Khankari is the founder of AnSight LLC. As a specialist in Computational Fluid Dynamics (CFD), his passion for solving engineering problems and providing sound scientific solutions has led to innovations and optimized designs in the industry.
A noted expert in his field, he has a Ph.D. from the University of Minnesota and has published in several technical journals and trade magazines. As a well sought-after speaker Dr. Khankari makes regular presentations in various technical conferences and professional meetings worldwide.
