PERFORMANCE OF DIFFERENT TWISTED TAPE INSERTS IN TURBULENT TUBE FLOW – CRITICAL REVIEW

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  • TITLE: PERFORMANCE OF DIFFERENT TWISTED TAPE INSERTS IN TURBULENT TUBE FLOW – CRITICAL REVIEW
  • AUTHOR(S): D. Kostadinova, V. Petkov
  • ABSTRACT: There are different kinds of inserts employed in the heat exchanger tubes such as helical/twisted tapes, coil wires, ribs/fins/baffles, and winglets. This paper presents performance evaluation of some twisted tape inserts, using a simple evaluation criterion to assess the possible energy benefit. Twisted tape inserts, classical and modified, with different geometrical parameters with working fluids as air or water in the range have been taken into consideration.
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