Extract fan flow rates resulting in spillage

Experiments were carried out on open-flued gas and oil boilers in a test house at the Building Research Establishment, Garston, to find out what parameters affect combustion gas spillage. The experimentation consisted of testing the pressure difference and extract fan flow rate at which spillage occ...

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Bibliographic Details
Published in:Building services engineering research & technology 1993-11, Vol.14 (4), p.143-149
Main Author: Shepherd, T.A.
Format: Article
Language:English
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Summary:Experiments were carried out on open-flued gas and oil boilers in a test house at the Building Research Establishment, Garston, to find out what parameters affect combustion gas spillage. The experimentation consisted of testing the pressure difference and extract fan flow rate at which spillage occurred. The results showed that in a large number of cases spillage will result if an open-flued gas appliance and air extract fan are running concurrently. Spillage was not encountered with the oil boiler which had a pressure jet burner. Any fan installed in the same room as an open flued gas appliance or an oil fired appliance with a vaporising plate burner should have a maximum capacity of 201 s-1, and fan and appliance should pass a suitable spillage test
ISSN:0143-6244
1477-0849
DOI:10.1177/014362449301400404