Duct-system leakage: how much is too much?

Author(s) : BRUSHA R. F.

Type of article: Article

Summary

Without duct-leak testing, the unknowns in fan power contingency planning are amplified greatly. By specifying testing to a maximum duct-system leakage and requiring taping or sealing of terminal connections, it is reasonable to estimate a total system leakage well under 5 percent, knowing it will be somewhat less under actual operating pressures. The calculations for the simple, low pressure system in this article indicate that such a specification, including testing, is justifiable economically, based on operating-energy savings.

Details

  • Original title: Duct-system leakage: how much is too much?
  • Record ID : 2005-0337
  • Languages: English
  • Source: HPAC Engineering - vol. 76 - n. 9
  • Publication date: 2004/09

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