Conference Proceedings Paper
EXPERIMENTAL STUDY ON SUPERCRITICAL CO2 AND DEVELOPMENT OF HEAT TRANSFER CORRELATION FOR BARE VERTICAL TUBE
33rd Annual CNS Conference - 2012 June 10-13
Sahil Gupta (University of Ontario Institute)
Prabu Surendran (University of Ontario Institute)
Igor Pioro (University of Ontario Institute)
This paper presents an analysis of a new heat-transfer correlation developed for supercritical carbon dioxide (CO2) flowing in vertical bare tubes. A large set of experimental data was obtained at Chalk River Laboratories (CRL) AECL. Heat-transfer tests were performed in upward flow of CO2 inside 8-mm ID vertical Inconel-600 tube with a 2.208-m heated length. Data points were collected at outlet pressures ranging from 7.4 to 8.8 MPa, mass fluxes from 900 to 3000 kg/m2s, inlet fluid temperatures from 20 to 40°C, and heat fluxes from 15 to 615 kW/m2; and for several combinations of wall and bulk-fluid temperatures.
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