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Uniform-air-supply low-flow-resistance pipeline device and uniform-air-supply low-flow-resistance pipeline design method

A pipeline device and low-flow technology, which is applied in pipeline layout, computer-aided design, design optimization/simulation, etc., can solve problems such as uneven air supply and large flow resistance, and achieve the effect of saving costs and reducing air supply resistance

Active Publication Date: 2018-10-12
XIANGTAN UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a low flow resistance pipeline device and design method for uniform air supply in view of the defects of uneven air supply and large flow resistance in the prior art

Method used

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Embodiment Construction

[0025] In order to make the purpose, technical solution, and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. This embodiment provides a pipeline device designed according to a low flow resistance pipeline design method for uniform air supply, such as figure 1 , 2 As shown, it consists of a main pipe 1, several branch pipes 2 and several tees 3. The height of the main pipe 1 decreases gradually along the length direction, and the shape of the tee 3 is designed according to the height of the main pipe 1 along the length direction. During the process of designing this plumbing installation, the following steps were taken:

[0026] Step 1: Determine the temperature of the fluid at the pipe inlet T , the type of fluid and the dynamic viscosity of the fluid at this temperature \*MERGEFORMAT, density \* MERGEFORMAT, to determine the material of the pipe; accord...

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Abstract

The invention discloses a uniform-air-supply low-flow-resistance pipeline device and a uniform-air-supply low-flow-resistance pipeline design method. The device comprises a main pipeline, tee joints and branch pipelines. The cross-section height of the main pipeline in the length direction is gradually reduced, so that the uniformity of the air supply amount of each branch pipeline is ensured; andthe surfaces of the connecting parts of inlets and outlets of the tee joints are curved surfaces, and the curved surfaces are circular arc surfaces for reducing flow resistance in the main pipeline.The air supply pipeline device can achieve uniform air supply and has the advantage of the low flow resistance.

Description

technical field [0001] The invention belongs to the technical field of air-conditioning air supply control, and more specifically relates to a uniform air supply low flow resistance pipeline device and a design method. Background technique [0002] With the development of society, industrial technology and human life have gradually increased the requirements for environmental protection and energy saving, and natural ventilation can no longer meet the requirements of modern technology and human life. Uneven air supply in the living area will lead to a decrease in people's comfort, and uneven air supply in the industry will affect production efficiency. [0003] For the air supply duct, the air supply volume depends on the static pressure of the air supply outlet. To ensure that the air supply volume of each air supply outlet is uniform, it is necessary to ensure that the static pressure of each air supply outlet is the same, that is, two adjacent The difference in dynamic p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F13/02G06F17/50
CPCF24F13/0245G06F30/20G06F2113/14
Inventor 叶为标李聪聂昌达徐顺生
Owner XIANGTAN UNIV
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