Discrete Cooling Module for Data Storage Heat and Vibration Control
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Solution Overview
Problem
In data centers, suboptimal airflow configurations in server racks lead to inefficient heat removal from heat-producing components, such as hard disk drives, resulting in inadequate cooling and potential server operation issues due to bypassed airflow paths and uneven heat distribution.
Innovation Solution
The implementation of a system where data storage modules include a chassis with backplanes and a data control module mounted in an air plenum beneath the backplanes, allowing for directed airflow to effectively remove heat from mass storage devices, and a discrete cooling module with an air moving device and cover to induce airflow and isolate rotational vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If standard airflow configurations are used in server racks, then the system structure is simple and easy to implement, but heat removal efficiency is insufficient and airflow bypasses heat-producing components
Solution Approach 1:
The airflow system is segmented into distinct zones: cold air intake zones positioned at the front/bottom of racks and hot air exhaust zones at the rear/top. Baffles and partitions divide the rack interior into separate airflow channels that guide cooling air directly across heat-producing components like hard disk drives and processors, preventing bypass and maximizing heat removal efficiency.
Solution Approach 2:
Baffles, partitions, and directional guides act as intermediary elements between the air moving device and heat-producing components. These intermediaries redirect and constrain airflow paths, ensuring that cooling air is forced to pass through specific zones containing heat-generating equipment, thereby improving heat removal without requiring complete redesign of the airflow system.
2Temperature
If air moving devices are added to induce airflow through racks, then heat removal capability is improved, but rotational vibrations from the air moving devices affect data storage devices
Solution Approach 1:
The air moving device is extracted from its traditional location within or adjacent to data storage modules and repositioned in a dedicated cooling module or at the rack level. This separation removes the vibration source from proximity to sensitive hard disk drives, eliminating the harmful vibrational effects while maintaining the necessary airflow induction capability for effective heat removal.
Solution Approach 2:
Vibration isolation elements such as rubber mounts, foam dampers, or elastic connectors are introduced as intermediaries between the air moving device and the rack structure or data storage modules. These intermediaries absorb and dampen rotational vibrations, preventing them from transmitting to sensitive components while allowing the air moving device to continue inducing effective airflow for cooling.
3Quantity of substance
If more hard disk drives are installed in servers to increase storage capacity, then storage capacity is improved, but the arrangement leaves wasted space and generates more heat
Solution Approach 1:
The cooling system is designed with local quality variations, providing enhanced cooling zones specifically positioned at areas with high heat density such as hard disk drive arrays and processor sections. Baffles and directional guides create localized airflow channels that concentrate cooling air where it is most needed, allowing high-density drive configurations without proportional increases in overall heat generation problems.
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
This configuration enhances heat removal efficiency, optimizes airflow utilization, and reduces the impact of rotational vibrations on data storage devices, leading to improved server operations and capacity utilization in data centers.
Implementation Method 1
The discrete cooling module includes an air moving device and a cover. The air moving device induces airflow through the chassis interior from an inlet end to an exhaust end
Implementation Method 2
The induced airflow removes heat from one or more heat producing components in a data storage module
Implementation Method 3
The discrete cooling module couples with a chassis that supports a plurality of mass storage devices in a data storage module, such that the cover isolates rotational vibrations generated by the air moving device from the mass storage devices
Data Source
AI summary
A system for storing data includes a discrete cooling module that can enable discrete cooling of mass storage devices installed in the chassis interior of a data storage module coupled to a rack. The discrete cooling module includes an air moving device and an air cover. The air moving device can induce and airflow through the chassis interior of the data storage module to remove heat from heat producing components of mass storage devices installed in the chassis interior. The air cover directs the airflow through the chassis interior. The discrete cooling module can isolate rotational vibrations generated by the air moving device from the mass storage devices installed in the chassis. Partial isolation can include indirectly coupling the discrete cooling module to the chassis via directly coupling with the rack.