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K-factors for HVAC ducts: numerical and experimental determination.

Author(s) : GAN G., RIFFAT S. B.

Type of article: Article

Summary

A new method for determining the velocity pressure loss factor (k-factor) of HVAC duct fittings has been established. The method presented in the paper is based on computational fluid dynamics (CFD) and experimental measurements. The k-factor was calculated from the measured pressure loss and air velocity for the duct fitting. Optimum predictions of pressure loss and k-factor were achieved using CFD with a combination of the standard k-e turbulence model and quadratic upstream interpolation scheme.

Details

  • Original title: K-factors for HVAC ducts: numerical and experimental determination.
  • Record ID : 1996-2422
  • Languages: English
  • Source: Build. Serv. Eng. Res. Technol. - vol. 16 - n. 3
  • Publication date: 1995
  • Document available for consultation in the library of the IIR headquarters only.

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