Adjustable Airflow Duct for Data Center Rack Cooling
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Solution Overview
Problem
Data center airflow management is inefficient due to warm air being drawn into electronic devices, especially when their intake sides are positioned intermediate between rack sides, leading to suboptimal cooling.
Innovation Solution
An adjustable airflow duct with shiftable sections and a drive mechanism that allows for precise adjustment of duct length to direct cool air effectively to electronic devices, regardless of their mounting position within the data center rack.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electronic devices are mounted at intermediate positions within the rack, then installation flexibility is improved, but cooling efficiency deteriorates due to warm air being drawn into the device intake
Solution Approach 1:
The duct assembly incorporates telescoping sections that can dynamically adjust their length to match the distance from the rack front to the device intake. The drive mechanism enables the duct to extend or contract, maintaining optimal positioning for cool air delivery regardless of where the device is mounted within the rack space.
Solution Approach 2:
The duct is divided into multiple telescoping sections that can independently adjust their lengths. This segmentation allows the duct to be configured in various lengths to accommodate different device positions, while each section remains manageable and movable through the drive mechanism.
2Device complexity
If a fixed-length duct is used, then device complexity is reduced, but adaptability to different device positions deteriorates
Solution Approach 1:
Rather than using a completely fixed duct, the invention employs a dynamically adjustable duct with telescoping sections and a drive mechanism. This provides adaptability to different device positions while keeping the overall structure relatively simple and manageable.
Solution Approach 2:
The duct is pre-configured with telescoping sections and a drive mechanism that allows it to be adjusted to the required length before being installed with the device. This preliminary preparation enables the duct to adapt to various device positions without requiring complex on-site modifications.
3Temperature
If the duct is extended to reach intermediate device positions, then cooling effectiveness is improved, but the duct length and potential complexity increase
Solution Approach 1:
The duct uses telescoping sections that can extend to the required length to reach intermediate device positions. The drive mechanism controls the extension, allowing the duct to achieve the necessary length for effective cool air delivery without permanently increasing its base dimensions.
Solution Approach 2:
The telescoping sections are nested within each other, allowing the duct to extend to longer lengths when needed while maintaining a compact form when retracted. This nesting arrangement enables the duct to reach intermediate positions without proportionally increasing its overall complexity.
Data Source
AI summary
A data center rack assembly includes a rack, an electronic device, and an adjustable air duct. The rack includes a frame defining opposite first and second rack sides spaced apart in a longitudinal direction. The electronic device presents an intake side configured to receive air therethrough for passage into the electronic device. The electronic device is mounted to the frame such that the intake side is disposed intermediately between the rack sides and is spaced from the first rack side to define a longitudinal dimension therebetween. The duct includes relatively shiftable first and second duct sections that extend in the longitudinal direction to cooperatively present an adjustable longitudinal duct length, and a drive mechanism operably coupled to the first and second sections to control relative shifting of the sections in the longitudinal direction to thereby adjust the longitudinal duct length to correspond with the longitudinal dimension.