Abstract
The high energy consumption of atrium in cold area is prominent. Both single and distributed atriums have been widely employed in commercial complex buildings, while their energy consumption performance and mechanism are not the same. Currently, far too little research has been carried out over energy-saving design of distributed atrium. In this study, the typical representative archetypes of distributed atrium, including chessboard, peripheral, series and road network types, have been numerically investigated. Through the energy consumption simulations, the impact and impartance of various design parameters such as proportion, height, plane layout, has been examined. Atrium proportion, height, general layout, aggregation and uniformity can be accounted as the key design parameters of the distributed atrium design. The simulation results that with the increase of the volume of atrium, the unit energy consumption increases. Compared with other types, the surrounding atrium is more energy-saving. With the improvement of plane uniformity of atrium, the total energy consumption of building increases. This study can provide valuable reference for the design of distributed atrium in cold area.
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