Retractable Curtain Airflow Plenum for Computing Rack Heat Dissipation
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Solution Overview
Problem
The dense packaging of equipment modules in computing racks leads to heat retention issues, as conventional designs fail to efficiently direct airflow and dissipate heat away from the racks, potentially affecting nearby equipment and reducing cooling efficiency.
Innovation Solution
A retractable, flexible curtain system suspended between upper and lower rails is used to form a plenum that directs exhaust airflow away from the computing rack, with adjustable rail components to accommodate various rack sizes and configurations, and a radiant barrier material to minimize heat emission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If equipment modules are densely packaged in computing racks to maximize space utilization, then the volume efficiency is improved, but heat retention increases and cooling efficiency deteriorates
Solution Approach 1:
The airflow directing system divides the computing rack environment into separate zones using multiple curtains (first curtain for inlet airflow, second curtain for exhaust airflow). This segmentation isolates cold and hot air streams, preventing heat mixing while maintaining dense equipment packaging. Each curtain creates a distinct airflow pathway, allowing efficient cooling without increasing rack volume.
Solution Approach 2:
The invention addresses heat management by introducing vertical airflow directionality through vertically extending curtains. Instead of horizontal airflow patterns that mix hot and cold air, the system creates vertical streams that transport cold air downward and hot air upward, utilizing the vertical dimension to resolve thermal conflicts while maintaining compact horizontal rack dimensions.
2Device complexity
If conventional rack designs are used without airflow directing systems, then the device complexity is reduced, but cooling efficiency deteriorates due to poor heat dissipation
Solution Approach 1:
The airflow directing curtains serve as intermediary elements between the equipment modules and the ambient air. These curtains mediate the airflow paths, guiding cold air to inlet ports and directing hot exhaust air away from equipment. This intermediary structure enables efficient thermal management without requiring complex integrated cooling systems within each rack.
Solution Approach 2:
The invention uses flexible curtain structures made of thin film materials to direct airflow. These thin film curtains are sufficiently permeable to allow airflow passage while providing enough structural definition to create separate airflow zones. The flexibility allows the curtains to be easily installed and adjusted, providing effective thermal management with minimal structural complexity.
3Device complexity
If airflow is not directed away from the rack, then the system simplicity is maintained, but heat impact on nearby equipment increases
Solution Approach 1:
The second exhaust airflow curtain extracts and isolates the hot exhaust air stream from the general rack environment. By separating the exhaust airflow path from the intake airflow path, the system prevents hot air from affecting nearby equipment or mixing with cold air supplies. This extraction of the harmful hot air stream resolves the thermal interference problem while maintaining overall system simplicity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The airflow directing system effectively moves heated exhaust air upwards and away from the rack, reducing the impact on nearby equipment, improving cooling efficiency and preventing heat from being directed towards equipment inlets, while accommodating different rack configurations and sizes.
Implementation Method 1
The airflow directing system effectively moves heated exhaust air upwards and away from the rack
Implementation Method 2
The curtain forms a plenum for directing an airflow between the equipment modules and an airflow port
Data Source
AI summary
A computing rack airflow directing system includes upper and lower rails configured for releasable attachment to a computing rack, and a flexible curtain suspended between the upper and lower rails at upper and lower edges of the curtain, respectively. The curtain is movable along the rails from a retracted position proximate a first end of the rails to provide access to one or more equipment modules mounted in the computing rack to an extended position to form a plenum for directing an airflow between the equipment modules and an airflow port. The airflow port is formed at either the upper edge or the lower edge of the curtain.