Ventilating system of vertical wall attaching jet air lake mode

A technology for attaching jets and ventilation systems, applied in the fields of ventilation systems and indoor ventilation systems, it can solve the problems of limited air supply at the bottom side and difficult to achieve, and achieve the goals of ensuring freshness, extending the range, improving thermal comfort and air quality. Effect

Active Publication Date: 2008-07-23
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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AI Technical Summary

Problems solved by technology

[0008] However, in view of the actual situation of office equipment placement in general offices, in many cases, the bottom side air supply is restricted and difficult to achieve

Method used

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  • Ventilating system of vertical wall attaching jet air lake mode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: set up experimental model according to similarity theory, model size is: 600 * 300 * 340 (mm 3 ), air outlet: 300×10(mm 2 ); return air outlet: 60×30(mm 2 ), made of plexiglass. When the ratio of the vertical distance from the center of the air supply port to the side wall and the width of the air port is 10 (the width of the air supply port is 1cm, the vertical distance between the air supply port and the side wall is 10cm), the air supply angle is 90°, and the jet air supply speed is 1.5m / At s, the attachment length formed on the side wall is 175cm, and the jet falling point is 45cm from the bottom of the model;

Embodiment 2

[0024] Embodiment 2: Others are the same as in Embodiment 1. When the ratio of the vertical distance from the center of the air supply port to the side wall to the width of the air port is 10, the air supply angle is 90°, and the jet air supply speed is 1.0m / s, on the side wall The formed attachment length is 170cm, and the jet shedding point is 48cm from the bottom of the model;

Embodiment 3

[0025] Embodiment 3: Others are the same as in Embodiment 1, when the ratio of the vertical distance from the center of the air supply port to the side wall and the width of the air port is 10, the air supply angle is 90°, and the jet air supply speed is 0.5m / s, the air flow on the side wall The formed attachment length is 150cm, and the jet shedding point is 63cm from the bottom of the model;

[0026] From the above experimental results, it can be seen that when the ratio of the vertical distance from the center of the air outlet to the side wall and the width of the air outlet is the same, the greater the jet air supply speed, the longer the formed attachment length, and the easier it is to send the air down to the bottom of the model; However, when the air supply speed is high, it is easy to cause a feeling of blowing, so the air supply should not be too large in order to meet the comfort requirements of the air conditioner; the others are the same as in Example 1, when the ...

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Abstract

The invention discloses a vertical wall attaching jet air lake mode ventilation system, which comprises a blast pipe (4) and an exhaust duct (11); wherein, an air supply port (6) is arranged close to side wall at the top part of a room; the distance of the air supply port (6) from the side wall is designed into: the ratio between vertical distance of the center of the air supply port (6) from the side wall and the width of the air supply port (6) is 0 to 15. The vertical wall attaching jet air lake mode ventilation system has the advantages of facilitating body health due to being close to the air supply environment, easily arranging the ventilation system in the building space and not occupying building space at the lower part (working area).

Description

technical field [0001] The invention relates to a ventilation system, in particular to a vertical wall-attached jet air lake mode ventilation system. The invention is suitable for indoor ventilation systems. Background technique [0002] An important part of indoor ventilation and air-conditioning systems is to discuss the issue of which supply air flow organization mode to adopt. Therefore, the supply air flow organization mode has attracted the attention of domestic and foreign researchers and engineering designers. From the beginning of the last century to the present, people have made great progress in the study of airflow organization. There are two main modes of airflow organization: [0003] (1) Traditional mixing ventilation based on the principle of dilution; [0004] (2) Modern displacement ventilation powered by buoyancy control. [0005] Mixed ventilation is characterized by high speed, large momentum and turbulent air supply. Because it is easy to arrange in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F7/04
Inventor 李安桂邱少辉王国栋
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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