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Moving toward more-electric aircraft (MEA) architecture, future aircraft power system will consist of a large number of power converters and motor drive loads which behave as constant power load and may cause stability issues. It is essential to ensure stable operation of the MEA power system, even though the complexity of the system hinders the comprehensive analysis of system stability. This paper...
In this paper, we perform a series of regression analysis on Type II terminal unit proposed in [1]. More geometric details are investigated for enhancing the entrainment performance of the terminal unit. A further simplified CFD model of the terminal unit is built for facilitating the simulation process. The structure of terminal unit is separated into several segments and arcs. Through sensitivity...
In this paper, we firstly present the principle of airflow in a terminal unit of active chilled beam (ACB) and airflow pattern in the secondary plenum. Taking the advantage of the computational fluid dynamics (CFD) techniques, we investigate the influences of geometry of the terminal unit on entrainment ratio (ER), which is the key parameter to measure the efficiency of a terminal unit. A graphical...
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