Retrotec DM-2A Manual do Utilizador descarregar pdf (Página 63)

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©Retrotec Inc. 2012

 Achieved pressure is the actual maximum pressure achievable in the ducts

 













where: Pressure Of Interest = 50Pa (or 25Pa), and Assumed n = 0.65 (or 0.60)

 Actual flow exponent (n) can be calculated by measuring building leakage at multiple pressures

from 10 to 50 Pa and determining the slope of the line Flow = K x Pressure

(must be graphed on a

log-log scaled curve)

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Retrotec DM-2A Manual do Utilizador Página 63