- Author
- Sawant, N. N. | Kim, M. S. | Payne, W. V. | Domanski, P. A. | Hwang, Y. W.
- Title
- Study of In-Tube Evaporation Heat Transfer of Carbon Dioxide.
- Coporate
- National Institute of Standards and Technology, Gaithersburg, MD Seoul National Univ., Korea
- Report
- ICR0038,
- Book or Conf
- Refrigeration International Congress, 21st IIR. (IRC2003). Technical Session B1-8: A New Old Refrigerant: Carbon Dioxide - Heat Transfer. Proceedings. August 17-22, 2003, Washington, DC, 2004
- Keywords
- carbon monoxide | heat transfer | evaporation | uncertainty | refrigerants
- Identifiers
- instrumentation range and uncertainty; single-phase water-side propagation of error and relative uncertainty; two-phase CO2 average convective heat transfer coefficient relative uncertainty
- Abstract
- The evaporative heat transfer characteristics of carbon dioxide in an 8.0 mm ID smooth stainless steel tube were measured. Data were collected in a concentric tube heat exchanger heated by water in the annulus with carbon dioxide in the central tube. Data have been collected over a range of temperature (5oC to 25oC), mass flux (250 kg/m2s to 1000 kg/m2s) and heat flux (3 kW/m2 to 15 kW/m2). A Wilson Plot technique was used to correlate the in-tube local heat transfer coefficient of carbon dioxide. Results have been interpreted by relating the heat transfer coefficient to quality at various evaporation temperatures and various mass fluxes.