The Effect of Working Fluid Composition on Heat Transfer in a Direct Supercritical CO2 Power Cycle Recuperator
Conference
·
OSTI ID:1827886
- Thermal Sciences Team
- NETL
For pure CO2, the experimental measurements of the heat transfer coefficient in this paper agreed to within 5% of the classical Dittus-Boelter correlation. When nitrogen was added to the CO2 at concentrations from 0–28% nitrogen, these experiments found that the measured Nusselt numbers decreased by 20% below the Dittus-Boelter correlation evaluated with thermophysical properties for the N2/CO2 gas mixture. In general, the McAdams correlation evaluated with mixture properties predicted the friction factor within ±10%.
- 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:
- FWP-1022468
- OSTI ID:
- 1827886
- Resource Relation:
- Conference: Conference Name: Clearwater Clean Energy Conference Location: Clearwater, FL, United States Start Date: 7/26/2021 12:00:00 AM End Date: 7/29/2021 12:00:00 AM
- Country of Publication:
- United States
- Language:
- English
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