ANSYS software-based impinging jet ventilation system optimization method

A technology of ventilation system and optimization method, applied in design optimization/simulation, image data processing, special data processing application, etc., can solve the problems of unusable room heating system, usage restrictions, etc., and achieve the effect of good thermal comfort

Inactive Publication Date: 2017-08-25
YANGZHOU UNIV
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Problems solved by technology

But its big disadvantage is that it can only be used for cooling system and not for room heating system
Furthermore, when the span of the room is very wide, the use of this air supply method is also greatly restricted.

Method used

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  • ANSYS software-based impinging jet ventilation system optimization method

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Embodiment Construction

[0021] Technical thinking of the present invention is:

[0022] In view of the complex characteristics of the collision jet ventilation system, through the six major processes of data collection-data processing-geometric model-mesh division-numerical calculation-result analysis, according to the collected data, the ICEM software is used to establish the use of collision jet The 3D model of the ventilation system office, meshing the model, defining boundary conditions, importing FLUENT software for calculation, and using post-processing software to obtain intuitive, clear, and easy-to-communicate data and charts. This provides a new idea for the optimization of the collision jet ventilation system.

[0023] like figure 1 As shown, the optimization of a collision jet ventilation system is taken as an example.

[0024] The first step: data collection.

[0025] In the present invention, data collection is mainly the retrieval of literature data. For the impinging jet ventilati...

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Abstract

The invention relates to an ANSYS software-based impinging jet ventilation system optimization method. The method comprises the steps of performing six major processes of data collection, data processing, geometric modeling, mesh division, numerical calculation and result analysis; according to collected data, building a three-dimensional model of an office using an impinging jet ventilation system in ICEM software; performing mesh division and boundary condition definition on the model; and importing the model to FLUENT software for calculation to obtain indoor flow velocity fields and temperature fields under different parameters. According to the method, the defects of multiple technical modes in the technical field of existing ventilation systems are overcome; possible working ranges of researched parameters are determined to ensure good heat comfort; and reference data of system optimization is provided, thereby facilitating the development and application of the impinging jet ventilation system.

Description

technical field [0001] The invention relates to a collision jet ventilation system, in particular to an optimization method for a collision jet ventilation system based on ANSYS software. Background technique [0002] Before the present invention was made, various technical approaches had been formed in the technical field of ventilation systems. If the air supply speed of mixed ventilation is high, it can supply both cooling and heating, but the air quality of mixed ventilation is worse than that of displacement ventilation, and has lower ventilation efficiency and energy efficiency ratio. In the energy crisis of the 1970s, the hybrid ventilation method faced a severe test. Displacement ventilation originated in Northern Europe in the 1980s. It sends low-momentum air from the bottom of the room to form a thin layer of "air lake" near the ground. The diffused air meets the indoor heat source to generate upward convective airflow. The process of removing polluted air from t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06T17/00
CPCG06F30/23G06T17/00
Inventor 卜彩华张俊刘光远
Owner YANGZHOU UNIV
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