空调系统中环形风口的送风特性研究

Study on Air Supply Characteristics of Annular Diffuser in Air Conditioning System

本文以提出一种适用于大温差送风系统的的新型环形送风口。通过建立CFD数学模型,模拟分析环形风口轴心速度衰减规律,轴心温度衰减规律,扩散角规律以及流量倍增规律,研究环形风口的送风特性。本文的主要目的是得到环形风口在空调系统中的送风特性,为环形风口在空调系统中的应用提供参考。

A new type of annular diffuser suitable for large temperature difference air distribution system is presented.The main purpose of this paper is to obtain the air supply characteristics of annular diffuser by CFD numerical simulation method,so as to provides a reference for the application of annular diffuser in air conditioning system.The main research contents include,rules of axis velocity attenuation at annular diffuser,rules of axis temperature attenuation,diffusion Angle and gas flow multiplication ratio.