[esp-r] Modelling of natural ventilation ducts

[javier carrasco]

I am modelling a house with natulral ventilation ducts to extract air at a
low rate and I wish to know what are the most suitable components to model
ducts and typical roof extractors that could induce flow. Please see
attached the proposed diagram
Thank You

-- 
Javier Carrasco Eade
Arquitecto - UBB
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