Application of Attachment Ventilation in the East Terminal of Xi'an Xianyang International Airport Phase III Expansion Project

Abstract

: As a typical tall spatial building, airport terminals often adopt curtain wall structures with dense personnel and high air conditioning loads. Therefore, it is necessary to set up reasonable airflow organization to ensure indoor air conditioning effectiveness and reduce energy consumption. The traditional mixed air supply method has many limitations when applied to tall spaces in airport terminals, and the air supply effect and economy are not good. Numerical simulation was used to analyze the use of cylindrical attached jet air supply in the waiting and welcoming halls of airport terminals. The results showed that the use of attached air supply and top side air supply in the terminal area has a more uniform distribution of velocity and temperature fields, and this scheme is more energy-efficient; IF the waiting hall area only adopts top side air supply, the total air supply volume needs to be increased by 93% to achieve the same indoor temperature distribution. The living room area adopts a cylindrical attached air supply method, which can achieve a more uniform temperature and velocity distribution with a smaller air supply volume compared to a mixed air supply method. Efficient attached air supply for airport terminals provides a new design concept for air conditioning in tall spaces, with significant energy-saving effects.