Determine the absolute roughness of phenolic duct (RP-1764)

References

• Abushakra, B, I.S. Walker, and M.H. Sherman. 2004. Compression effects on pressure loss in flexible HVAC ducts. HVAC&R Research 10(3):275–89.
   Web of Science ®Google Scholar
• ASHRAE. 2017a. Method of Testing to Determine Flow Resistance of HVAC Ducts and Fittings. Standard 120-2017. Atlanta, GA: ASHRAE.
   Google Scholar
• ASHRAE. 2017b. Duct Fitting Database (DFDB), Version 6.00.05. Atlanta, GA: ASHRAE.
   Google Scholar
• ASHRAE. 2017c. Handbook of Fundamentals. Chapter 21, Duct design. Atlanta, GA: ASHRAE.
   Google Scholar
• ASHRAE. 2018. RP-1764. Determine the absolute roughness of phenolic duct. Final report. Atlanta, GA: ASHRAE.
   Google Scholar
• Culp, C., and D. Cantrill. 2009. Pressure losses in 12”, 14”, and 16” non-metallic flexible ducts with compression and sag. ASHRAE Transactions 115(1):622–28.
   Google Scholar
• Gibbs, D.C., and S. Idem. 2010. Measured and predicted pressure loss in corrugated spiral duct. ASHRAE Transactions 116(2):380–86.
   Google Scholar
• Griggs, E.I., W.B. Swim, and G.H. Henderson. 1987. Resistance to flow of round galvanized ducts. ASHRAE Transactions 93(1):3–16.
   Google Scholar
• Griggs, E.I., and F. Khodabakhsh-Sharifabad. 1992. Flow characteristics in rectangular ducts. ASHRAE Transactions 98(1):116–227.
   Google Scholar
• Heyt, J.W., and M.J. Diaz. 1975. Pressure drop in spiral flat-oval duct. ASHRAE Transactions 81(2):221–32.
   Google Scholar
• Hickman, C., B.T. Beck, and B. Babin. 2015. Effect of fittings on volumetric airflow measurements (RP-1245): Single-path duct disturbances. Science and Technology for the Built Environment 21(2):190–206.
   Web of Science ®Google Scholar
• Huebscher, R.G. 1948. Friction equivalents for round, square and rectangular ducts. ASHVE Transactions 54:101–18.
   Google Scholar
• Hutchison, F.W. 1953. Friction loss in round aluminum ducts. ASHVE Transactions 59:127–38.
   Google Scholar
• Jones, C.D. 1979. Friction factor and roughness of United Sheet Metal Company spiral duct. United Sheet Metal, Division of United McGill Corp., Westerville, OH (August). Based on data in Friction Loss Tests, United Sheet Metal Company Spiral Duct, Ohio State University.
   Google Scholar
• Khaire, S., and S. Idem. 2010. Influence of test section entrance conditions on straight flat oval duct apparent relative roughness. ASHRAE Transactions 116(2):371–79.
   Google Scholar
• Kulkarni, D., S. Khaire, and S. Idem. 2009. Pressure loss of corrugated spiral duct. ASHRAE Transactions 115(1):28–34.
   Google Scholar
• Kulkarni, D., A.N. Nalla, S. Idem, and K. Gebke. 2012. Laboratory testing of a fabric air dispersion system. ASHRAE Transactions 118(2):484–90.
   Google Scholar
• Kulkarni, D., J. Cui, and S. Idem. 2013. Computational fluid dynamics studies of developing flows with various entrance geometries. HVAC&R Research 19(1):38–52.
   Web of Science ®Google Scholar
• Leverette, J., K. Gebke and S. Idem. 2014. Pressure and velocity variation in a fabric air dispersion system. HVAC&R Research 20(8):862–74.
   Web of Science ®Google Scholar
• SMACNA. 2015. Phenolic duct construction standards, 1st Ed. Chantilly, VA: Sheet Metal and Air-Conditioning Contractors National Association, Inc. https://www.smacna.org/store/product/.
   Google Scholar
• Swim, W.B. 1978. Flow losses in rectangular ducts lined with fiber glass. ASHRAE Transactions 84(2):216–26.
   Google Scholar
• Swim, W.B. 1982. Friction factor and roughness for airflow in plastic pipe. ASHRAE Transactions 88(1)269–84.
   Google Scholar
• Townsend, B., F. Khodabakhsh, and S. Idem. 1994. Equivalent round diameter of spiral flat oval ducts. ASHRAE Transactions 100(2):389–95.
   Google Scholar
• Ugursal, A., and C. Culp. 2007. Comparative analysis of CFD ΔP vs. measured ΔP for compressed flexible ducts. ASHRAE Transactions 113(1):462–69.
   Google Scholar
• Weaver, K., and C. Culp. 2007. Static pressure losses in nonmetallic flexible duct. ASHRAE Transactions 113(2):400–5.
   Google Scholar