[BLDG-SIM] Sherman-Grimsrud infiltration model

[Bharath Krishna Karambakkam]

Hi,
    I am looking for the exact form of the equation that is used to calculate the infiltration using the Sherman-Grimsrud model used in DOE2. Though I have found the equation in the ASHRAE handbook I am not sure how the HORIZONTAL-LEAK-FRACTION and the NEUTRAL-LEVEL are used in the equation. Though the Engineers manual provides the equation for CRACK method it does not seem to provide the equations for the Sherman-Grimsrud model.

Could anyone please give me additional information about this equation.

Thanks,

Krishna

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