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Numerical investigation of transient buoyant flow in a room with displacement ventilation and a chilled ceiling system.

Author(s) : REES S. J., MCGUIRK J. J., HAVES P.

Type of article: Article

Summary

The airflow in the office ventilation system known as displacement ventilation is dominated by a gravity current from the inlet and buoyant plumes above internal heat sources. Calculations of the flow and heat transfer in a typical office room have been made. It has been found that with higher values of internal load the flow becomes quasi-periodic in nature. Complex lateral oscillations are seen in the plumes above the heat sources, which impinge on the ceiling and induce significant recirculating flows in the room.

Details

  • Original title: Numerical investigation of transient buoyant flow in a room with displacement ventilation and a chilled ceiling system.
  • Record ID : 2002-2097
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 44 - n. 16
  • Publication date: 2001/09

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