Notice of RetractionNumerical simulation of air distribution in large space building

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

We choose a large atrium in Beijing for the object. This dissertation builds computational models under the stratified air conditioning design schemes according to the real geometry size of the building and the calculative parameter of the air conditioning. And the CFD method is used to realize the three-dimensional simulation of the temperature field and velocity field under the different air distributions. Based on the stratified air conditioning of the summer design, detailed analysis of air distribution under the stratified air conditioning is given. The temperature field, speed field and the influencing factors are analyzed under the model of different cases. The research results show that the supplying air velocity affects forming of stable airflow-cutting directly. Only when the supplying air velocity is about 4m/s, the stable airflow-cutting can be formed. Therefore heat convection between unconditioned zone and conditioned zone can be prevented effectively. Top exhaust ventilation can reduce the temperature of unconditioned zone evidently. So energy efficient is very effective. However, over exhaust rate can strengthen heat convection between unconditioned zone and conditioned zone. On the contrary, energy is wasted. The suitable exhaust air ratio is 30%.