I have sized the shafts to include ducts to prevent air leakage and have sized ducts at 6.5m/s. Is there a particular velocity you would use with a single fan? do you generally use ducts or simply push the air through the riser without ducts?
Cheers for the help!
I am designing the stair pressurisation for a building of 37 stories. I am using a set of fans at the top of the building and a set of fans at the bottom. I am going through a review process at the moment and have been told that generally for a building of this height we should have a 3rd set of...
Thanks tys90, I will have a look at the ASHRAE handbook.
317069 I was hoping for lessons learnt on previous experiences - I am sure people have found some things work better than others and you can always learn from this and improve on design.
Has anyone designed a stair press system for a high rise building (about 30 floors). Have you had trouble the maintaining required pressure throughout the entire stair?
I have designed stair press systems for smaller buildings but have been told there can be issues with achieving the required...
Hi,
I have a project that is using a sea water system for heat rejection for a building and it requires a venturi nozzle to ensure adequate mixing and reduced temperature difference (between discharge water from mechanical plant and sea water).
Has anyone used a venturi nozzle before, or do...