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Science and Technology for the Built Environment Volume 21, 2015 - Issue 4
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Original Articles

Laboratory testing of flat oval transitions to determine loss coefficients (RP-1606)

Yigang SunDepartment of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, 1304 W. Pennsylvania Avenue, Urbana, IL61801, USACorrespondence[email protected]
,
Steven E. FordDepartment of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, 1304 W. Pennsylvania Avenue, Urbana, IL61801, USA
&
Yuanhui ZhangDepartment of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, 1304 W. Pennsylvania Avenue, Urbana, IL61801, USA
Pages 386-395 | Received 18 Aug 2014, Accepted 11 Dec 2014, Published online: 12 May 2015

References

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  • ASHRAE. 2007. ANSI/ASHRAE Standard 51-2007, Laboratories Method of Testing Fans for Certified Aerodynamic Performance Rating. Atlanta: ASHRAE.
  • ASHRAE. 2008. ANSI/ASHRAE Standard 120-2008, Method of Testing to Determine Flow Resistance of HVAC Ducts and Fittings. Atlanta: ASHRAE.
  • ASHRAE. 2012. ASHRAE Duct Fitting Database, Version 6.00.01. Atlanta: ASHRAE.
  • Brooks, P.J. 1990. Laboratory study to determine flow resistance of HVAC duct fittings. Final Report RP-551, Atlanta: ASHRAE.
  • Gibbs, D.C., and S. Idem. 2012. Measurements of flat oval diverging flow fitting loss coefficients. ASHRAE Transactions 118(1):1146–53.
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  • Idem, S., F. Khodabakhsh, and B. Townsend. 1996. Laboratory study to determine the flow resistance of flat oval ducts and fittings. Final Report RP-690, Atlanta: ASHRAE.
  • Idem, S., D. Kulkarni, and S. Khaire. 2008. Laboratory testing of duct fittings to determine loss coefficients. Final Report RP-1319, Atlanta: ASHRAE.
  • Idem, S., D. Gibbs, and D. Kulkarni. 2011. Laboratory testing of flat oval tees and laterals to determine loss coefficients. Final Report RP-1488, Atlanta: ASHRAE.
  • Kulkarni, D., J. Cui, and S. Item. 2011. Laboratory testing of converging flow flat oval tees and laterals to determine loss coefficients (RP-1488). HVAC&R Research 17(5):710–25.
  • Kulkarni, D., S. Khaire, and S. Idem. 2009a. Influence of aspect ratio and hydraulic diameter on flat oval elbow loss coefficients. ASHRAE Transactions 115(1):48–57.
  • Kulkarni, D., S. Khaire, and S. Idem. 2009b. Measurements of flat oval elbow loss coefficients. ASHRAE Transactions 115(1):35–47.
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  • Townsend, B, F. Khodabakhsh, and S. Idem. 1994. Equivalent round diameter of spiral flat oval ducts. ASHRAE Transactions 100(2):389–95.
  • Townsend, B, F. Khodabakhsh, and S. Idem. 1996a. Loss coefficient measurements for flat oval elbows and transitions. ASHRAE Transactions 102(2):159–69.
  • Townsend, B, F. Khodabakhsh, and S. Idem. 1996b. Loss coefficient measurements in divided-flow flat oval fittings. ASHRAE Transactions 102(2):151–8.

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