Convective heat transfer between rooms in nordic passive houses
Authors: Publication Year: 2015


In highly-insulated buildings such as passive houses, the space-heating distribution subsystem can be simplified by reducing the number of heat emitters. In this context, the bi-directional flow through open doorways is known to be an efficient process to support the heat distribution between rooms. This process is therefore investigated using field measurements within a Norwegian passive house. The so-called large opening approximation proves to model fairly the mass flow rate, but also the convective heat transfer if the thermal stratification is accounted for. Furthermore, the discharge coefficient appears to be independent of the heater type and location in the room.

Additional Info

  • WP: Energy supply systems and services
  • Publication Year: 2015
  • Name of proceedings: Proceedings of the 6th International Building Physics Conference (IBPC 2015)
  • Name of conference: The 6th International Building Physics Conference (IBPC 2015)
  • Town: Turin
  • Country: Italy
  • Date from: Sunday, 14 June 2015
  • Date to: Wednesday, 17 June 2015
  • Type: Report

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