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Evaluation method and apparatus for air supply system

A technology of air supply system and air supply channel, which is applied in the direction of heating and ventilation control system, heating and ventilation safety system, heating method, etc. It can solve the problems of insufficient air supply distance, overheating, and insufficient uniformity of air supply speed, etc., to achieve Improves uniformity and reduces localized overheating effects

Active Publication Date: 2018-01-19
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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  • Evaluation method and apparatus for air supply system
  • Evaluation method and apparatus for air supply system
  • Evaluation method and apparatus for air supply system

Examples

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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 in 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 at a certain section of the air supply path is 0.362m / s, and the standard deviation of the velocity at 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 invention provides an evaluation method for an air supply system. The method comprises the steps of obtaining design parameters of the air supply system; substituting the design parameters into apreset evaluation index formula to obtain an evaluation index parameter; judging whether the evaluation index parameter is in a preset reasonable interval or not to obtain a judgment result; and whenthe judgment result indicates that the evaluation index parameter is in the reasonable interval, determining that the air supply system is reasonable in design. The uniformity of the air supply distance and the air supply speed of the air supply system can be effectively improved; and local overheating of the air supply system is reduced.

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 Applications(China)
IPC IPC(8): G06F17/50
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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