Abstract
The influence of the helical grooved path in the pipe was studied in the fully developed region of the pipe in this study. In fact, the applicable depth and pitch ratios minimize the cost and the production time of the manufacturing process. The Finite Volume Method (FNM) has been used with RNG k-ε turbulent model in this study. Heat and fluid flow in a pipe with a diameter of 0.25 m and a length of 5 m have been simulated. The improvement area starts after 3 meters, which represents to fully developed region, as examined and confirmed. The results showed that the efficiency improved by 5.8% compared to the plain pipe.
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