Retrotec DM-2A Manual de usuario Pagina 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
n
(must be graphed on a
log-log scaled curve)
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