HotColdAisleKonfigurationen

HotColdAisleKo... is a term encountered in discussions of data center cooling. The exact meaning is not standardized, but it is commonly used to describe an integrated or hybrid approach that blends hot aisle and cold aisle strategies to manage air flow and temperature more efficiently.

Traditional data centers separate cold supply air from hot exhaust air by arranging racks in cold aisles facing intake sides and hot aisles for exhaust sides. Containment systems (cold aisle containment and hot aisle containment) reduce air mixing and improve cooling efficiency. The HotColdAisleKo... concept generally envisions combining these elements in a single facility, enabling selective containment per zone, dynamic routing of air, and adaptive cooling.

It may incorporate modular containment enclosures, ceiling plenums, underfloor air distribution, and sensors to monitor temperature, humidity, and airflow. Controls may adjust dampers, rack enclosure seals, and fan speeds to maintain target conditions. Hybrid use allows zones with varying load profiles or CRAC capacity to switch between containment modes.

Potential benefits include improved PUE, higher cooling reliability, and better capacity planning. Design considerations include aisle width, rack arrangement, door types, sealing integrity, and alignment with standards such as ASHRAE thermal guidelines and industry codes. Retrofitting existing facilities poses challenges and cost considerations.

Because HotColdAisleKo... is not a widely recognized standalone standard, practitioners should consult supplier documentation and industry guidelines when evaluating its applicability.