An evaluation method and device for an air supply system

An air supply system and air supply channel technology, which is applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve the problems of insufficient air supply distance, overheating, and insufficient air supply speed uniformity. Improves uniformity and reduces local overheating

Active Publication Date: 2021-11-02
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide an evaluation method and device for the air supply system, which solves the problems of insufficient air supply distance, insufficient uniformity of air supply speed and local overheating in the air supply system

Method used

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  • An evaluation method and device for an air supply system
  • An evaluation method and device for an air supply system
  • An evaluation method and device for an air supply system

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Embodiment approach 1

[0056] Embodiment 1, a data center with a special air supply system (wind wall) has a length of 30.4m, a width of 10.4m, and a height of 3.7m. The design rated cooling demand of the data center is 51840 cubic feet per minute CFM). Obtain the design parameters of the air supply system through the simulation module: the average velocity of the inlet section of the air supply channel is 3.643m / s, the average velocity at a certain section of the air supply path is 1.090m / s, and the standard deviation of the velocity at each point at a certain section of the air supply channel is 0.200. Substituting the obtained design parameters into the evaluation index formula, the evaluation index parameter result is 0.442. In this embodiment, the preset reasonable range is 0.00-0.50. Since the value of the above-mentioned evaluation index parameters is within the range of 0.00-0.50, it indicates that the design is reasonable and the air supply system product can be implemented.

Embodiment approach 2

[0057] In the second embodiment, the data center of a special air supply system (wind wall) is 34.4m long, 10.4m wide, and 3.7m high. The design rated cooling demand of the data center is 43200CFM. The design parameters of the air supply system are obtained through the simulation module: the average velocity of the inlet section of the air supply channel is 3.115m / s, the average velocity of a certain section of the air supply path is 0.362m / s, and the standard deviation of the velocity of each point at a certain section of the air supply channel is 0.176. Substituting the obtained design parameters into the evaluation index formula, the obtained evaluation index parameter result is 0.685. In this embodiment, the preset reasonable interval is 0.00-0.50. Since the value of the evaluation index parameter is outside the interval of 0.00-0.50, it indicates that the design is unreasonable and needs to be recalculated and verified. The length of the redesigned data center is 28m, an...

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Abstract

The present invention provides an evaluation method for an air supply system, comprising: obtaining design parameters of the air supply system, substituting the design parameters into a preset evaluation index formula to obtain an evaluation index parameter, and judging the evaluation index parameter Whether it is within a preset reasonable interval, a judgment result is obtained, and when the judgment result indicates that the evaluation index parameter is within the reasonable interval, it is determined that the design of the air supply system is reasonable. The embodiment of the present invention can effectively improve the air supply distance and the uniformity of the air supply speed of the air supply system, and at the same time reduce local overheating of the air supply system.

Description

technical field [0001] The invention relates to the field of air supply systems, in particular to an evaluation method and device for an air supply system. Background technique [0002] With the development of the economy, the heat density of the data center computer room continues to increase, and the energy consumption increases rapidly. In order to save energy and reduce emissions, many companies have begun to adopt data centers equipped with special air supply systems (air walls). Data centers using air supply systems such as air walls reduce the energy consumption of the cooling system by optimizing the resistance on the air supply path, greatly improving the annual energy efficiency ratio, and achieving the purpose of energy saving in the data center. However, there are some problems in the products designed by the existing design methods, which will lead to insufficient air supply distance of the air supply system such as the air wall, and insufficient uniformity of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17
CPCF24F11/00G06F30/00
Inventor 刘帆朱敏波郭雨龙贺奎尚翁建刚
Owner ZTE CORP
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