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Design, full-scale testing, and analysis of an innovative natural-convection-driven heat-recovery heat exchanger for space-conditioning applications.

Author(s) : SRINIVASAN V., CHRISTENSEN R. N.

Type of article: Article

Summary

The temperature of water in large water reservoirs remains at 15.56 deg C throughout the year and therefore is attractive for space-conditioning applications. The energy exchange with the water reservoir is accomplished through a heat exchanger. In the paper, two heat-recovery heat exchangers were designed using a simplified computer model. Design 1 used smooth tubes; a subsequent design used spirally fluted tubes. A more detailed thermal hydraulic model was developed for the analysis of these heat-recovery heat exchangers. Results of tests on spirally fluted tubes were analyzed using the thermal hydraulic model to develop a correlation for natural convection. Finally, using this correlation, it was found that a smaller heat exchanger is needed for the design with spirally fluted tubes.

Details

  • Original title: Design, full-scale testing, and analysis of an innovative natural-convection-driven heat-recovery heat exchanger for space-conditioning applications.
  • Record ID : 1995-1170
  • Languages: English
  • Source: Heat Transf. Eng. - vol. 15 - n. 1
  • Publication date: 1994/01
  • Document available for consultation in the library of the IIR headquarters only.

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