by onlineoptimisation | Mar 3, 2026 | Airflow Management
A brush grommet is a bristle-lined seal installed at cable entry points in raised floors, server racks, and enclosures. It allows cables to pass through openings while blocking conditioned air from escaping, preventing dust ingress, and protecting cable jackets from...
by onlineoptimisation | Feb 28, 2026 | Data Center Cooling
Neither cold-aisle containment nor hot-aisle containment is universally superior. Cold aisle containment (CAC) encloses server intakes to protect the conditioned air supply, while hot aisle containment (HAC) captures exhaust air and returns it to cooling units. The...
by onlineoptimisation | Feb 28, 2026 | Data Center Cooling
How to Reduce Thermal Recirculation Without Adding More Cooling Units Thermal recirculation occurs when hot exhaust air from server racks returns to server intakes rather than being routed to CRAC or CRAH units, raising rack inlet temperatures and reducing effective...
by onlineoptimisation | Feb 8, 2026 | Airflow Management
Directional airflow floor tiles are engineered raised floor components that channel cold air precisely toward server rack intakes, reducing wasted cooling capacity and eliminating hotspots in data centre environments. Unlike standard perforated tiles that disperse air...
by onlineoptimisation | Feb 8, 2026 | Blanking Panels
A blanking panel is a modular rack insert, typically 19-inch or 23-inch wide, designed to seal unused rack units (U) in server cabinets, preventing hot exhaust air from recirculating into cold intake zones and eliminating energy-wasting bypass airflow. In modern data...
