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|Title: ||NUMERICAL PREDICTION OF LAMINAR-FLOW AND HEAT-TRANSFER CHARACTERISTICS IN A TUBE FITTED WITH REGULARLY SPACED TWISTED-TAPE ELEMENTS|
|Authors: ||DATE, AW|
|Issue Date: ||1990|
|Citation: ||INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 11(4), 346-354|
|Abstract: ||By numerically solving the Navier-Stokes and energy equations in their three-dimensional parabolic form, the friction and heat transfer characteristics are predicted for laminar flow in a circular tube fitted with regularly spaced twisted-tape elements that are connected by circular rods. The predictions have agreed closely with the experimental data for water. It is shown that a strong L/D effect is associated with the configuration under consideration. By extending the predictions outside the range of experimental data, it is found that considerably enhanced thermohydraulic performance is achievable by increasing the number of turns on the tape elements, by reducing the connecting rod diameter, and at high fluid Prandtl numbers.|
|Appears in Collections:||Article|
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