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Measuring Heat Transfer Coefficients for Supercritical Carbon Dioxide Cycle Recuperators

Technical Report ·
DOI:https://doi.org/10.2172/1834779· OSTI ID:1834779
 [1];  [2];  [1];  [3];  [1];  [3];  [3];  [4];  [5]
  1. National Energy Technology Lab. (NETL), Morgantown, WV (United States)
  2. National Energy Technology Lab. (NETL), Pittsburgh, PA (United States)
  3. Leidos Research Support Team, Morgantown, WV (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. U.S. Dept. of Energy, Washington, DC (United States)
+ Show Author Affiliations
This paper describes the measurement of convective heat transfer coefficients and friction factors for sCO2 flowing in pin-fin patterned pipes at the US DoE’s National Energy Technology Laboratory (NETL) in Morgantown, WV. The measurement procedures were validated by conducting benchmark tests with smooth stainless-steel tube and comparing the results with published correlations for Nusselt number (𝑁𝑢) and friction factor. Over Reynolds numbers (ReD) ranging from 5×104 to 2.5×105 , measured 𝑁𝑢 was within 5% of the Dittus-Boelter correlation and measured friction factors were within 5% of the McAdams correlation for smooth tube flow.
Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
Sponsoring Organization:
USDOE Office of Fossil Energy (FE)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1834779
Report Number(s):
DOE/NETL-2020/2118
Country of Publication:
United States
Language:
English

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